diff options
| -rw-r--r-- | Documentation/ABI/testing/sysfs-bus-iio | 1 | ||||
| -rw-r--r-- | Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt | 34 | ||||
| -rw-r--r-- | drivers/iio/adc/stm32-adc-core.c | 13 | ||||
| -rw-r--r-- | drivers/iio/adc/stm32-adc.c | 1 | ||||
| -rw-r--r-- | drivers/iio/adc/sun4i-gpadc-iio.c | 6 | ||||
| -rw-r--r-- | drivers/iio/adc/ti-adc12138.c | 2 | ||||
| -rw-r--r-- | drivers/iio/dac/Kconfig | 10 | ||||
| -rw-r--r-- | drivers/iio/dac/Makefile | 1 | ||||
| -rw-r--r-- | drivers/iio/dac/ti-dac082s085.c | 368 | ||||
| -rw-r--r-- | drivers/staging/iio/light/tsl2x7x.c | 440 | ||||
| -rw-r--r-- | drivers/staging/iio/light/tsl2x7x.h | 2 |
11 files changed, 598 insertions, 280 deletions
diff --git a/Documentation/ABI/testing/sysfs-bus-iio b/Documentation/ABI/testing/sysfs-bus-iio index 3fc79185cc56..2e3f919485f4 100644 --- a/Documentation/ABI/testing/sysfs-bus-iio +++ b/Documentation/ABI/testing/sysfs-bus-iio @@ -522,6 +522,7 @@ Description: Specifies the output powerdown mode. DAC output stage is disconnected from the amplifier and 1kohm_to_gnd: connected to ground via an 1kOhm resistor, + 2.5kohm_to_gnd: connected to ground via a 2.5kOhm resistor, 6kohm_to_gnd: connected to ground via a 6kOhm resistor, 20kohm_to_gnd: connected to ground via a 20kOhm resistor, 90kohm_to_gnd: connected to ground via a 90kOhm resistor, diff --git a/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt new file mode 100644 index 000000000000..9cb0e10df704 --- /dev/null +++ b/Documentation/devicetree/bindings/iio/dac/ti-dac082s085.txt @@ -0,0 +1,34 @@ +Texas Instruments 8/10/12-bit 2/4-channel DAC driver + +Required properties: + - compatible: Must be one of: + "ti,dac082s085" + "ti,dac102s085" + "ti,dac122s085" + "ti,dac084s085" + "ti,dac104s085" + "ti,dac124s085" + - reg: Chip select number. + - spi-cpha, spi-cpol: SPI mode (0,1) or (1,0) must be used, so specify + either spi-cpha or spi-cpol (but not both). + - vref-supply: Phandle to the external reference voltage supply. + +For other required and optional properties of SPI slave nodes please refer to +../../spi/spi-bus.txt. + +Example: + vref_2v5_reg: regulator-vref { + compatible = "regulator-fixed"; + regulator-name = "2v5"; + regulator-min-microvolt = <2500000>; + regulator-max-microvolt = <2500000>; + regulator-always-on; + }; + + dac@0 { + compatible = "ti,dac082s085"; + reg = <0>; + spi-max-frequency = <40000000>; + spi-cpol; + vref-supply = <&vref_2v5_reg>; + }; diff --git a/drivers/iio/adc/stm32-adc-core.c b/drivers/iio/adc/stm32-adc-core.c index 804198eb0eef..6aefef99f935 100644 --- a/drivers/iio/adc/stm32-adc-core.c +++ b/drivers/iio/adc/stm32-adc-core.c @@ -139,6 +139,11 @@ static int stm32f4_adc_clk_sel(struct platform_device *pdev, } rate = clk_get_rate(priv->aclk); + if (!rate) { + dev_err(&pdev->dev, "Invalid clock rate: 0\n"); + return -EINVAL; + } + for (i = 0; i < ARRAY_SIZE(stm32f4_pclk_div); i++) { if ((rate / stm32f4_pclk_div[i]) <= STM32F4_ADC_MAX_CLK_RATE) break; @@ -216,6 +221,10 @@ static int stm32h7_adc_clk_sel(struct platform_device *pdev, * From spec: PLL output musn't exceed max rate */ rate = clk_get_rate(priv->aclk); + if (!rate) { + dev_err(&pdev->dev, "Invalid adc clock rate: 0\n"); + return -EINVAL; + } for (i = 0; i < ARRAY_SIZE(stm32h7_adc_ckmodes_spec); i++) { ckmode = stm32h7_adc_ckmodes_spec[i].ckmode; @@ -232,6 +241,10 @@ static int stm32h7_adc_clk_sel(struct platform_device *pdev, /* Synchronous clock modes (e.g. ckmode is 1, 2 or 3) */ rate = clk_get_rate(priv->bclk); + if (!rate) { + dev_err(&pdev->dev, "Invalid bus clock rate: 0\n"); + return -EINVAL; + } for (i = 0; i < ARRAY_SIZE(stm32h7_adc_ckmodes_spec); i++) { ckmode = stm32h7_adc_ckmodes_spec[i].ckmode; diff --git a/drivers/iio/adc/stm32-adc.c b/drivers/iio/adc/stm32-adc.c index 8b7c24780a8a..c9d96f935dba 100644 --- a/drivers/iio/adc/stm32-adc.c +++ b/drivers/iio/adc/stm32-adc.c @@ -531,6 +531,7 @@ static struct stm32_adc_trig_info stm32h7_adc_trigs[] = { { TIM2_TRGO, STM32_EXT11 }, { TIM4_TRGO, STM32_EXT12 }, { TIM6_TRGO, STM32_EXT13 }, + { TIM15_TRGO, STM32_EXT14 }, { TIM3_CH4, STM32_EXT15 }, { LPTIM1_OUT, STM32_EXT18 }, { LPTIM2_OUT, STM32_EXT19 }, diff --git a/drivers/iio/adc/sun4i-gpadc-iio.c b/drivers/iio/adc/sun4i-gpadc-iio.c index c4e70f1cad79..04d7147e0110 100644 --- a/drivers/iio/adc/sun4i-gpadc-iio.c +++ b/drivers/iio/adc/sun4i-gpadc-iio.c @@ -501,17 +501,15 @@ static int sun4i_gpadc_probe_dt(struct platform_device *pdev, struct iio_dev *indio_dev) { struct sun4i_gpadc_iio *info = iio_priv(indio_dev); - const struct of_device_id *of_dev; struct resource *mem; void __iomem *base; int ret; - of_dev = of_match_device(sun4i_gpadc_of_id, &pdev->dev); - if (!of_dev) + info->data = of_device_get_match_data(&pdev->dev); + if (!info->data) return -ENODEV; info->no_irq = true; - info->data = (struct gpadc_data *)of_dev->data; indio_dev->num_channels = ARRAY_SIZE(sun8i_a33_gpadc_channels); indio_dev->channels = sun8i_a33_gpadc_channels; diff --git a/drivers/iio/adc/ti-adc12138.c b/drivers/iio/adc/ti-adc12138.c index bf890244789a..703d68ae96b7 100644 --- a/drivers/iio/adc/ti-adc12138.c +++ b/drivers/iio/adc/ti-adc12138.c @@ -164,7 +164,7 @@ static int __adc12138_start_conv(struct adc12138 *adc, void *data, int len) { - const u8 ch_to_mux[] = { 0, 4, 1, 5, 2, 6, 3, 7 }; + static const u8 ch_to_mux[] = { 0, 4, 1, 5, 2, 6, 3, 7 }; u8 mode = (ch_to_mux[channel->channel] << 4) | (channel->differential ? 0 : 0x80); diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig index d187233dec3a..965d5c0d2468 100644 --- a/drivers/iio/dac/Kconfig +++ b/drivers/iio/dac/Kconfig @@ -310,6 +310,16 @@ config STM32_DAC config STM32_DAC_CORE tristate +config TI_DAC082S085 + tristate "Texas Instruments 8/10/12-bit 2/4-channel DAC driver" + depends on SPI_MASTER + help + Driver for the Texas Instruments (formerly National Semiconductor) + DAC082S085, DAC102S085, DAC122S085, DAC084S085, DAC104S085 and + DAC124S085. + + If compiled as a module, it will be called ti-dac082s085. + config VF610_DAC tristate "Vybrid vf610 DAC driver" depends on OF diff --git a/drivers/iio/dac/Makefile b/drivers/iio/dac/Makefile index 8fe5af231698..4785858e04cc 100644 --- a/drivers/iio/dac/Makefile +++ b/drivers/iio/dac/Makefile @@ -33,4 +33,5 @@ obj-$(CONFIG_MCP4725) += mcp4725.o obj-$(CONFIG_MCP4922) += mcp4922.o obj-$(CONFIG_STM32_DAC_CORE) += stm32-dac-core.o obj-$(CONFIG_STM32_DAC) += stm32-dac.o +obj-$(CONFIG_TI_DAC082S085) += ti-dac082s085.o obj-$(CONFIG_VF610_DAC) += vf610_dac.o diff --git a/drivers/iio/dac/ti-dac082s085.c b/drivers/iio/dac/ti-dac082s085.c new file mode 100644 index 000000000000..4e1e28339c84 --- /dev/null +++ b/drivers/iio/dac/ti-dac082s085.c @@ -0,0 +1,368 @@ +/* + * ti-dac082s085.c - Texas Instruments 8/10/12-bit 2/4-channel DAC driver + * + * Copyright (C) 2017 KUNBUS GmbH + * + * http://www.ti.com/lit/ds/symlink/dac082s085.pdf + * http://www.ti.com/lit/ds/symlink/dac102s085.pdf + * http://www.ti.com/lit/ds/symlink/dac122s085.pdf + * http://www.ti.com/lit/ds/symlink/dac084s085.pdf + * http://www.ti.com/lit/ds/symlink/dac104s085.pdf + * http://www.ti.com/lit/ds/symlink/dac124s085.pdf + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License (version 2) as + * published by the Free Software Foundation. + */ + +#include <linux/iio/iio.h> +#include <linux/module.h> +#include <linux/regulator/consumer.h> +#include <linux/spi/spi.h> + +enum { dual_8bit, dual_10bit, dual_12bit, quad_8bit, quad_10bit, quad_12bit }; + +struct ti_dac_spec { + u8 num_channels; + u8 resolution; +}; + +static const struct ti_dac_spec ti_dac_spec[] = { + [dual_8bit] = { .num_channels = 2, .resolution = 8 }, + [dual_10bit] = { .num_channels = 2, .resolution = 10 }, + [dual_12bit] = { .num_channels = 2, .resolution = 12 }, + [quad_8bit] = { .num_channels = 4, .resolution = 8 }, + [quad_10bit] = { .num_channels = 4, .resolution = 10 }, + [quad_12bit] = { .num_channels = 4, .resolution = 12 }, +}; + +/** + * struct ti_dac_chip - TI DAC chip + * @lock: protects write sequences + * @vref: regulator generating Vref + * @mesg: SPI message to perform a write + * @xfer: SPI transfer used by @mesg + * @val: cached value of each output + * @powerdown: whether the chip is powered down + * @powerdown_mode: selected by the user + * @resolution: resolution of the chip + * @buf: buffer for @xfer + */ +struct ti_dac_chip { + struct mutex lock; + struct regulator *vref; + struct spi_message mesg; + struct spi_transfer xfer; + u16 val[4]; + bool powerdown; + u8 powerdown_mode; + u8 resolution; + u8 buf[2] ____cacheline_aligned; +}; + +#define WRITE_NOT_UPDATE(chan) (0x00 | (chan) << 6) +#define WRITE_AND_UPDATE(chan) (0x10 | (chan) << 6) +#define WRITE_ALL_UPDATE 0x20 +#define POWERDOWN(mode) (0x30 | ((mode) + 1) << 6) + +static int ti_dac_cmd(struct ti_dac_chip *ti_dac, u8 cmd, u16 val) +{ + u8 shift = 12 - ti_dac->resolution; + + ti_dac->buf[0] = cmd | (val >> (8 - shift)); + ti_dac->buf[1] = (val << shift) & 0xff; + return spi_sync(ti_dac->mesg.spi, &ti_dac->mesg); +} + +static const char * const ti_dac_powerdown_modes[] = { + "2.5kohm_to_gnd", "100kohm_to_gnd", "three_state", +}; + +static int ti_dac_get_powerdown_mode(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + + return ti_dac->powerdown_mode; +} + +static int ti_dac_set_powerdown_mode(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, + unsigned int mode) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + int ret = 0; + + if (ti_dac->powerdown_mode == mode) + return 0; + + mutex_lock(&ti_dac->lock); + if (ti_dac->powerdown) { + ret = ti_dac_cmd(ti_dac, POWERDOWN(mode), 0); + if (ret) + goto out; + } + ti_dac->powerdown_mode = mode; + +out: + mutex_unlock(&ti_dac->lock); + return ret; +} + +static const struct iio_enum ti_dac_powerdown_mode = { + .items = ti_dac_powerdown_modes, + .num_items = ARRAY_SIZE(ti_dac_powerdown_modes), + .get = ti_dac_get_powerdown_mode, + .set = ti_dac_set_powerdown_mode, +}; + +static ssize_t ti_dac_read_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + char *buf) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + + return sprintf(buf, "%d\n", ti_dac->powerdown); +} + +static ssize_t ti_dac_write_powerdown(struct iio_dev *indio_dev, + uintptr_t private, + const struct iio_chan_spec *chan, + const char *buf, size_t len) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + bool powerdown; + int ret; + + ret = strtobool(buf, &powerdown); + if (ret) + return ret; + + if (ti_dac->powerdown == powerdown) + return len; + + mutex_lock(&ti_dac->lock); + if (powerdown) + ret = ti_dac_cmd(ti_dac, POWERDOWN(ti_dac->powerdown_mode), 0); + else + ret = ti_dac_cmd(ti_dac, WRITE_AND_UPDATE(0), ti_dac->val[0]); + if (!ret) + ti_dac->powerdown = powerdown; + mutex_unlock(&ti_dac->lock); + + return ret ? ret : len; +} + +static const struct iio_chan_spec_ext_info ti_dac_ext_info[] = { + { + .name = "powerdown", + .read = ti_dac_read_powerdown, + .write = ti_dac_write_powerdown, + .shared = IIO_SHARED_BY_TYPE, + }, + IIO_ENUM("powerdown_mode", IIO_SHARED_BY_TYPE, &ti_dac_powerdown_mode), + IIO_ENUM_AVAILABLE("powerdown_mode", &ti_dac_powerdown_mode), + { }, +}; + +#define TI_DAC_CHANNEL(chan) { \ + .type = IIO_VOLTAGE, \ + .channel = (chan), \ + .address = (chan), \ + .indexed = true, \ + .output = true, \ + .datasheet_name = (const char[]){ 'A' + (chan), 0 }, \ + .info_mask_separate = BIT(IIO_CHAN_INFO_RAW), \ + .info_mask_shared_by_type = BIT(IIO_CHAN_INFO_SCALE), \ + .ext_info = ti_dac_ext_info, \ +} + +static const struct iio_chan_spec ti_dac_channels[] = { + TI_DAC_CHANNEL(0), + TI_DAC_CHANNEL(1), + TI_DAC_CHANNEL(2), + TI_DAC_CHANNEL(3), +}; + +static int ti_dac_read_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int *val, int *val2, long mask) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + *val = ti_dac->val[chan->channel]; + ret = IIO_VAL_INT; + break; + + case IIO_CHAN_INFO_SCALE: + ret = regulator_get_voltage(ti_dac->vref); + if (ret < 0) + return ret; + + *val = ret / 1000; + *val2 = ti_dac->resolution; + ret = IIO_VAL_FRACTIONAL_LOG2; + break; + + default: + ret = -EINVAL; + } + + return ret; +} + +static int ti_dac_write_raw(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, + int val, int val2, long mask) +{ + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + int ret; + + switch (mask) { + case IIO_CHAN_INFO_RAW: + if (ti_dac->val[chan->channel] == val) + return 0; + + if (val >= (1 << ti_dac->resolution) || val < 0) + return -EINVAL; + + if (ti_dac->powerdown) + return -EBUSY; + + mutex_lock(&ti_dac->lock); + ret = ti_dac_cmd(ti_dac, WRITE_AND_UPDATE(chan->channel), val); + if (!ret) + ti_dac->val[chan->channel] = val; + mutex_unlock(&ti_dac->lock); + break; + + default: + ret = -EINVAL; + } + + return ret; +} + +static int ti_dac_write_raw_get_fmt(struct iio_dev *indio_dev, + struct iio_chan_spec const *chan, long mask) +{ + return IIO_VAL_INT; +} + +static const struct iio_info ti_dac_info = { + .read_raw = ti_dac_read_raw, + .write_raw = ti_dac_write_raw, + .write_raw_get_fmt = ti_dac_write_raw_get_fmt, +}; + +static int ti_dac_probe(struct spi_device *spi) +{ + struct device *dev = &spi->dev; + const struct ti_dac_spec *spec; + struct ti_dac_chip *ti_dac; + struct iio_dev *indio_dev; + int ret; + + indio_dev = devm_iio_device_alloc(dev, sizeof(*ti_dac)); + if (!indio_dev) + return -ENOMEM; + + indio_dev->dev.parent = dev; + indio_dev->info = &ti_dac_info; + indio_dev->name = spi->modalias; + indio_dev->modes = INDIO_DIRECT_MODE; + indio_dev->channels = ti_dac_channels; + spi_set_drvdata(spi, indio_dev); + + ti_dac = iio_priv(indio_dev); + ti_dac->xfer.tx_buf = &ti_dac->buf; + ti_dac->xfer.len = sizeof(ti_dac->buf); + spi_message_init_with_transfers(&ti_dac->mesg, &ti_dac->xfer, 1); + ti_dac->mesg.spi = spi; + + spec = &ti_dac_spec[spi_get_device_id(spi)->driver_data]; + indio_dev->num_channels = spec->num_channels; + ti_dac->resolution = spec->resolution; + + ti_dac->vref = devm_regulator_get(dev, "vref"); + if (IS_ERR(ti_dac->vref)) + return PTR_ERR(ti_dac->vref); + + ret = regulator_enable(ti_dac->vref); + if (ret < 0) + return ret; + + mutex_init(&ti_dac->lock); + + ret = ti_dac_cmd(ti_dac, WRITE_ALL_UPDATE, 0); + if (ret) { + dev_err(dev, "failed to initialize outputs to 0\n"); + goto err; + } + + ret = iio_device_register(indio_dev); + if (ret) + goto err; + + return 0; + +err: + mutex_destroy(&ti_dac->lock); + regulator_disable(ti_dac->vref); + return ret; +} + +static int ti_dac_remove(struct spi_device *spi) +{ + struct iio_dev *indio_dev = spi_get_drvdata(spi); + struct ti_dac_chip *ti_dac = iio_priv(indio_dev); + + iio_device_unregister(indio_dev); + mutex_destroy(&ti_dac->lock); + regulator_disable(ti_dac->vref); + + return 0; +} + +#ifdef CONFIG_OF +static const struct of_device_id ti_dac_of_id[] = { + { .compatible = "ti,dac082s085" }, + { .compatible = "ti,dac102s085" }, + { .compatible = "ti,dac122s085" }, + { .compatible = "ti,dac084s085" }, + { .compatible = "ti,dac104s085" }, + { .compatible = "ti,dac124s085" }, + { } +}; +MODULE_DEVICE_TABLE(of, ti_dac_of_id); +#endif + +static const struct spi_device_id ti_dac_spi_id[] = { + { "dac082s085", dual_8bit }, + { "dac102s085", dual_10bit }, + { "dac122s085", dual_12bit }, + { "dac084s085", quad_8bit }, + { "dac104s085", quad_10bit }, + { "dac124s085", quad_12bit }, + { } +}; +MODULE_DEVICE_TABLE(spi, ti_dac_spi_id); + +static struct spi_driver ti_dac_driver = { + .driver = { + .name = "ti-dac082s085", + .of_match_table = of_match_ptr(ti_dac_of_id), + }, + .probe = ti_dac_probe, + .remove = ti_dac_remove, + .id_table = ti_dac_spi_id, +}; +module_spi_driver(ti_dac_driver); + +MODULE_AUTHOR("Lukas Wunner <lukas@wunner.de>"); +MODULE_DESCRIPTION("Texas Instruments 8/10/12-bit 2/4-channel DAC driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/staging/iio/light/tsl2x7x.c b/drivers/staging/iio/light/tsl2x7x.c index e6a71f5fc9cb..42ed9c015aaf 100644 --- a/drivers/staging/iio/light/tsl2x7x.c +++ b/drivers/staging/iio/light/tsl2x7x.c @@ -15,112 +15,112 @@ * more details. */ -#include <linux/kernel.h> -#include <linux/i2c.h> -#include <linux/errno.h> #include <linux/delay.h> -#include <linux/mutex.h> +#include <linux/errno.h> +#include <linux/i2c.h> #include <linux/interrupt.h> -#include <linux/slab.h> +#include <linux/kernel.h> #include <linux/module.h> +#include <linux/mutex.h> +#include <linux/slab.h> #include <linux/iio/events.h> #include <linux/iio/iio.h> #include <linux/iio/sysfs.h> #include "tsl2x7x.h" /* Cal defs*/ -#define PROX_STAT_CAL 0 -#define PROX_STAT_SAMP 1 -#define MAX_SAMPLES_CAL 200 +#define PROX_STAT_CAL 0 +#define PROX_STAT_SAMP 1 +#define MAX_SAMPLES_CAL 200 /* TSL2X7X Device ID */ -#define TRITON_ID 0x00 -#define SWORDFISH_ID 0x30 -#define HALIBUT_ID 0x20 +#define TRITON_ID 0x00 +#define SWORDFISH_ID 0x30 +#define HALIBUT_ID 0x20 /* Lux calculation constants */ -#define TSL2X7X_LUX_CALC_OVER_FLOW 65535 +#define TSL2X7X_LUX_CALC_OVER_FLOW 65535 /* TAOS Register definitions - note: * depending on device, some of these register are not used and the * register address is benign. */ /* 2X7X register offsets */ -#define TSL2X7X_MAX_CONFIG_REG 16 +#define TSL2X7X_MAX_CONFIG_REG 16 /* Device Registers and Masks */ -#define TSL2X7X_CNTRL 0x00 -#define TSL2X7X_ALS_TIME 0X01 -#define TSL2X7X_PRX_TIME 0x02 -#define TSL2X7X_WAIT_TIME 0x03 -#define TSL2X7X_ALS_MINTHRESHLO 0X04 -#define TSL2X7X_ALS_MINTHRESHHI 0X05 -#define TSL2X7X_ALS_MAXTHRESHLO 0X06 -#define TSL2X7X_ALS_MAXTHRESHHI 0X07 -#define TSL2X7X_PRX_MINTHRESHLO 0X08 -#define TSL2X7X_PRX_MINTHRESHHI 0X09 -#define TSL2X7X_PRX_MAXTHRESHLO 0X0A -#define TSL2X7X_PRX_MAXTHRESHHI 0X0B -#define TSL2X7X_PERSISTENCE 0x0C -#define TSL2X7X_PRX_CONFIG 0x0D -#define TSL2X7X_PRX_COUNT 0x0E -#define TSL2X7X_GAIN 0x0F -#define TSL2X7X_NOTUSED 0x10 -#define TSL2X7X_REVID 0x11 -#define TSL2X7X_CHIPID 0x12 -#define TSL2X7X_STATUS 0x13 -#define TSL2X7X_ALS_CHAN0LO 0x14 -#define TSL2X7X_ALS_CHAN0HI 0x15 -#define TSL2X7X_ALS_CHAN1LO 0x16 -#define TSL2X7X_ALS_CHAN1HI 0x17 -#define TSL2X7X_PRX_LO 0x18 -#define TSL2X7X_PRX_HI 0x19 +#define TSL2X7X_CNTRL 0x00 +#define TSL2X7X_ALS_TIME 0X01 +#define TSL2X7X_PRX_TIME 0x02 +#define TSL2X7X_WAIT_TIME 0x03 +#define TSL2X7X_ALS_MINTHRESHLO 0X04 +#define TSL2X7X_ALS_MINTHRESHHI 0X05 +#define TSL2X7X_ALS_MAXTHRESHLO 0X06 +#define TSL2X7X_ALS_MAXTHRESHHI 0X07 +#define TSL2X7X_PRX_MINTHRESHLO 0X08 +#define TSL2X7X_PRX_MINTHRESHHI 0X09 +#define TSL2X7X_PRX_MAXTHRESHLO 0X0A +#define TSL2X7X_PRX_MAXTHRESHHI 0X0B +#define TSL2X7X_PERSISTENCE 0x0C +#define TSL2X7X_PRX_CONFIG 0x0D +#define TSL2X7X_PRX_COUNT 0x0E +#define TSL2X7X_GAIN 0x0F +#define TSL2X7X_NOTUSED 0x10 +#define TSL2X7X_REVID 0x11 +#define TSL2X7X_CHIPID 0x12 +#define TSL2X7X_STATUS 0x13 +#define TSL2X7X_ALS_CHAN0LO 0x14 +#define TSL2X7X_ALS_CHAN0HI 0x15 +#define TSL2X7X_ALS_CHAN1LO 0x16 +#define TSL2X7X_ALS_CHAN1HI 0x17 +#define TSL2X7X_PRX_LO 0x18 +#define TSL2X7X_PRX_HI 0x19 /* tsl2X7X cmd reg masks */ -#define TSL2X7X_CMD_REG 0x80 -#define TSL2X7X_CMD_SPL_FN 0x60 +#define TSL2X7X_CMD_REG 0x80 +#define TSL2X7X_CMD_SPL_FN 0x60 -#define TSL2X7X_CMD_PROX_INT_CLR 0X05 -#define TSL2X7X_CMD_ALS_INT_CLR 0x06 -#define TSL2X7X_CMD_PROXALS_INT_CLR 0X07 +#define TSL2X7X_CMD_PROX_INT_CLR 0X05 +#define TSL2X7X_CMD_ALS_INT_CLR 0x06 +#define TSL2X7X_CMD_PROXALS_INT_CLR 0X07 /* tsl2X7X cntrl reg masks */ -#define TSL2X7X_CNTL_ADC_ENBL 0x02 -#define TSL2X7X_CNTL_PWR_ON 0x01 +#define TSL2X7X_CNTL_ADC_ENBL 0x02 +#define TSL2X7X_CNTL_PWR_ON 0x01 /* tsl2X7X status reg masks */ -#define TSL2X7X_STA_ADC_VALID 0x01 -#define TSL2X7X_STA_PRX_VALID 0x02 -#define TSL2X7X_STA_ADC_PRX_VALID (TSL2X7X_STA_ADC_VALID |\ - TSL2X7X_STA_PRX_VALID) -#define TSL2X7X_STA_ALS_INTR 0x10 -#define TSL2X7X_STA_PRX_INTR 0x20 +#define TSL2X7X_STA_ADC_VALID 0x01 +#define TSL2X7X_STA_PRX_VALID 0x02 +#define TSL2X7X_STA_ADC_PRX_VALID (TSL2X7X_STA_ADC_VALID | \ + TSL2X7X_STA_PRX_VALID) +#define TSL2X7X_STA_ALS_INTR 0x10 +#define TSL2X7X_STA_PRX_INTR 0x20 /* tsl2X7X cntrl reg masks */ -#define TSL2X7X_CNTL_REG_CLEAR 0x00 -#define TSL2X7X_CNTL_PROX_INT_ENBL 0X20 -#define TSL2X7X_CNTL_ALS_INT_ENBL 0X10 -#define TSL2X7X_CNTL_WAIT_TMR_ENBL 0X08 -#define TSL2X7X_CNTL_PROX_DET_ENBL 0X04 -#define TSL2X7X_CNTL_PWRON 0x01 -#define TSL2X7X_CNTL_ALSPON_ENBL 0x03 -#define TSL2X7X_CNTL_INTALSPON_ENBL 0x13 -#define TSL2X7X_CNTL_PROXPON_ENBL 0x0F -#define TSL2X7X_CNTL_INTPROXPON_ENBL 0x2F +#define TSL2X7X_CNTL_REG_CLEAR 0x00 +#define TSL2X7X_CNTL_PROX_INT_ENBL 0X20 +#define TSL2X7X_CNTL_ALS_INT_ENBL 0X10 +#define TSL2X7X_CNTL_WAIT_TMR_ENBL 0X08 +#define TSL2X7X_CNTL_PROX_DET_ENBL 0X04 +#define TSL2X7X_CNTL_PWRON 0x01 +#define TSL2X7X_CNTL_ALSPON_ENBL 0x03 +#define TSL2X7X_CNTL_INTALSPON_ENBL 0x13 +#define TSL2X7X_CNTL_PROXPON_ENBL 0x0F +#define TSL2X7X_CNTL_INTPROXPON_ENBL 0x2F /*Prox diode to use */ -#define TSL2X7X_DIODE0 0x10 -#define TSL2X7X_DIODE1 0x20 -#define TSL2X7X_DIODE_BOTH 0x30 +#define TSL2X7X_DIODE0 0x10 +#define TSL2X7X_DIODE1 0x20 +#define TSL2X7X_DIODE_BOTH 0x30 /* LED Power */ -#define TSL2X7X_mA100 0x00 -#define TSL2X7X_mA50 0x40 -#define TSL2X7X_mA25 0x80 -#define TSL2X7X_mA13 0xD0 -#define TSL2X7X_MAX_TIMER_CNT (0xFF) +#define TSL2X7X_100_mA 0x00 +#define TSL2X7X_50_mA 0x40 +#define TSL2X7X_25_mA 0x80 +#define TSL2X7X_13_mA 0xD0 +#define TSL2X7X_MAX_TIMER_CNT 0xFF -#define TSL2X7X_MIN_ITIME 3 +#define TSL2X7X_MIN_ITIME 3 /* TAOS txx2x7x Device family members */ enum { @@ -142,11 +142,6 @@ enum { TSL2X7X_CHIP_SUSPENDED = 2 }; -struct tsl2x7x_parse_result { - int integer; - int fract; -}; - /* Per-device data */ struct tsl2x7x_als_info { u16 als_ch0; @@ -248,14 +243,14 @@ static const struct tsl2x7x_settings tsl2x7x_default_settings = { .prox_pulse_count = 8 }; -static const s16 tsl2X7X_als_gainadj[] = { +static const s16 tsl2x7x_als_gain[] = { 1, 8, 16, 120 }; -static const s16 tsl2X7X_prx_gainadj[] = { +static const s16 tsl2x7x_prx_gain[] = { 1, 2, 4, @@ -353,9 +348,9 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) /* clear any existing interrupt status */ ret = i2c_smbus_write_byte(chip->client, - (TSL2X7X_CMD_REG | + TSL2X7X_CMD_REG | TSL2X7X_CMD_SPL_FN | - TSL2X7X_CMD_ALS_INT_CLR)); + TSL2X7X_CMD_ALS_INT_CLR); if (ret < 0) { dev_err(&chip->client->dev, "i2c_write_command failed - err = %d\n", ret); @@ -369,7 +364,7 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) chip->als_cur_info.als_ch0 = ch0; chip->als_cur_info.als_ch1 = ch1; - if ((ch0 >= chip->als_saturation) || (ch1 >= chip->als_saturation)) { + if (ch0 >= chip->als_saturation || ch1 >= chip->als_saturation) { lux = TSL2X7X_LUX_CALC_OVER_FLOW; goto return_max; } @@ -389,11 +384,10 @@ static int tsl2x7x_get_lux(struct iio_dev *indio_dev) if (p->ratio == 0) { lux = 0; } else { - ch0lux = DIV_ROUND_UP(ch0 * p->ch0, - tsl2X7X_als_gainadj[chip->settings.als_gain]); - ch1lux = DIV_ROUND_UP(ch1 * p->ch1, - tsl2X7X_als_gainadj[chip->settings.als_gain]); - lux = ch0lux - ch1lux; + lux = DIV_ROUND_UP(ch0 * p->ch0, + tsl2x7x_als_gain[chip->settings.als_gain]) - + DIV_ROUND_UP(ch1 * p->ch1, + tsl2x7x_als_gain[chip->settings.als_gain]); } /* note: lux is 31 bit max at this point */ @@ -472,7 +466,7 @@ static int tsl2x7x_get_prox(struct iio_dev *indio_dev) case tmd2771: if (!(ret & TSL2X7X_STA_ADC_VALID)) goto prox_poll_err; - break; + break; case tsl2572: case tsl2672: case tmd2672: @@ -480,7 +474,7 @@ static int tsl2x7x_get_prox(struct iio_dev *indio_dev) case tmd2772: if (!(ret & TSL2X7X_STA_PRX_VALID)) goto prox_poll_err; - break; + break; } for (i = 0; i < 2; i++) { @@ -527,8 +521,8 @@ static void tsl2x7x_defaults(struct tsl2X7X_chip *chip) sizeof(chip->pdata->platform_lux_table)); else memcpy(chip->tsl2x7x_device_lux, - (struct tsl2x7x_lux *)tsl2x7x_default_lux_table_group[chip->id], - TSL2X7X_DEFAULT_TABLE_BYTES); + tsl2x7x_default_lux_table_group[chip->id], + TSL2X7X_DEFAULT_TABLE_BYTES); } /** @@ -642,7 +636,7 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) /* Set the gain based on tsl2x7x_settings struct */ chip->tsl2x7x_config[TSL2X7X_GAIN] = chip->settings.als_gain | - (TSL2X7X_mA100 | TSL2X7X_DIODE1) | + (TSL2X7X_100_mA | TSL2X7X_DIODE1) | (chip->settings.prox_gain << 2); /* set chip struct re scaling and saturation */ @@ -702,14 +696,14 @@ static int tsl2x7x_chip_on(struct iio_dev *indio_dev) dev_info(&chip->client->dev, "Setting Up Interrupt(s)\n"); reg_val = TSL2X7X_CNTL_PWR_ON | TSL2X7X_CNTL_ADC_ENBL; - if ((chip->settings.interrupts_en == 0x20) || - (chip->settings.interrupts_en == 0x30)) + if (chip->settings.interrupts_en == 0x20 || + chip->settings.interrupts_en == 0x30) reg_val |= TSL2X7X_CNTL_PROX_DET_ENBL; reg_val |= chip->settings.interrupts_en; ret = i2c_smbus_write_byte_data(chip->client, - (TSL2X7X_CMD_REG | - TSL2X7X_CNTRL), reg_val); + TSL2X7X_CMD_REG | TSL2X7X_CNTRL, + reg_val); if (ret < 0) dev_err(&chip->client->dev, "%s: failed in tsl2x7x_IOCTL_INT_SET.\n", @@ -758,8 +752,7 @@ static int tsl2x7x_chip_off(struct iio_dev *indio_dev) * put device back into proper state, and unlock * resource. */ -static -int tsl2x7x_invoke_change(struct iio_dev *indio_dev) +static int tsl2x7x_invoke_change(struct iio_dev *indio_dev) { struct tsl2X7X_chip *chip = iio_priv(indio_dev); int device_status = chip->tsl2x7x_chip_status; @@ -783,9 +776,8 @@ unlock: return ret; } -static -void tsl2x7x_prox_calculate(int *data, int length, - struct tsl2x7x_prox_stat *statP) +static void tsl2x7x_prox_calculate(int *data, int length, + struct tsl2x7x_prox_stat *statP) { int i; int sample_sum; @@ -873,9 +865,10 @@ static void tsl2x7x_prox_cal(struct iio_dev *indio_dev) tsl2x7x_chip_on(indio_dev); } -static ssize_t in_illuminance0_calibscale_available_show(struct device *dev, - struct device_attribute *attr, - char *buf) +static ssize_t +in_illuminance0_calibscale_available_show(struct device *dev, + struct device_attribute *attr, + char *buf) { struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); @@ -891,19 +884,14 @@ static ssize_t in_illuminance0_calibscale_available_show(struct device *dev, return snprintf(buf, PAGE_SIZE, "%s\n", "1 8 16 120"); } -static ssize_t in_proximity0_calibscale_available_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - return snprintf(buf, PAGE_SIZE, "%s\n", "1 2 4 8"); -} +static IIO_CONST_ATTR(in_proximity0_calibscale_available, "1 2 4 8"); static IIO_CONST_ATTR(in_illuminance0_integration_time_available, ".00272 - .696"); static ssize_t in_illuminance0_target_input_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); @@ -911,8 +899,8 @@ static ssize_t in_illuminance0_target_input_show(struct device *dev, } static ssize_t in_illuminance0_target_input_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct tsl2X7X_chip *chip = iio_priv(indio_dev); @@ -932,111 +920,9 @@ static ssize_t in_illuminance0_target_input_store(struct device *dev, return len; } -/* persistence settings */ -static ssize_t in_intensity0_thresh_period_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); - int y, z, filter_delay; - - /* Determine integration time */ - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.als_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - filter_delay = z * (chip->settings.persistence & 0x0F); - y = filter_delay / 1000; - z = filter_delay % 1000; - - return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); -} - -static ssize_t in_intensity0_thresh_period_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct tsl2X7X_chip *chip = iio_priv(indio_dev); - struct tsl2x7x_parse_result result; - int y, z, filter_delay; - int ret; - - ret = iio_str_to_fixpoint(buf, 100, &result.integer, &result.fract); - if (ret) - return ret; - - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.als_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - - filter_delay = - DIV_ROUND_UP((result.integer * 1000) + result.fract, z); - - chip->settings.persistence &= 0xF0; - chip->settings.persistence |= (filter_delay & 0x0F); - - dev_info(&chip->client->dev, "%s: als persistence = %d", - __func__, filter_delay); - - ret = tsl2x7x_invoke_change(indio_dev); - if (ret < 0) - return ret; - - return IIO_VAL_INT_PLUS_MICRO; -} - -static ssize_t in_proximity0_thresh_period_show(struct device *dev, - struct device_attribute *attr, - char *buf) -{ - struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); - int y, z, filter_delay; - - /* Determine integration time */ - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.prx_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - filter_delay = z * ((chip->settings.persistence & 0xF0) >> 4); - y = filter_delay / 1000; - z = filter_delay % 1000; - - return snprintf(buf, PAGE_SIZE, "%d.%03d\n", y, z); -} - -static ssize_t in_proximity0_thresh_period_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) -{ - struct iio_dev *indio_dev = dev_to_iio_dev(dev); - struct tsl2X7X_chip *chip = iio_priv(indio_dev); - struct tsl2x7x_parse_result result; - int y, z, filter_delay; - int ret; - - ret = iio_str_to_fixpoint(buf, 100, &result.integer, &result.fract); - if (ret) - return ret; - - y = (TSL2X7X_MAX_TIMER_CNT - (u8)chip->settings.prx_time) + 1; - z = y * TSL2X7X_MIN_ITIME; - - filter_delay = - DIV_ROUND_UP((result.integer * 1000) + result.fract, z); - - chip->settings.persistence &= 0x0F; - chip->settings.persistence |= ((filter_delay << 4) & 0xF0); - - dev_info(&chip->client->dev, "%s: prox persistence = %d", - __func__, filter_delay); - - ret = tsl2x7x_invoke_change(indio_dev); - if (ret < 0) - return ret; - - - return IIO_VAL_INT_PLUS_MICRO; -} - static ssize_t in_illuminance0_calibrate_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); bool value; @@ -1056,8 +942,8 @@ static ssize_t in_illuminance0_calibrate_store(struct device *dev, } static ssize_t in_illuminance0_lux_table_show(struct device *dev, - struct device_attribute *attr, - char *buf) + struct device_attribute *attr, + char *buf) { struct tsl2X7X_chip *chip = iio_priv(dev_to_iio_dev(dev)); int i = 0; @@ -1084,8 +970,8 @@ static ssize_t in_illuminance0_lux_table_show(struct device *dev, } static ssize_t in_illuminance0_lux_table_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); struct tsl2X7X_chip *chip = iio_priv(indio_dev); @@ -1126,8 +1012,8 @@ static ssize_t in_illuminance0_lux_table_store(struct device *dev, } static ssize_t in_proximity0_calibrate_store(struct device *dev, - struct device_attribute *attr, - const char *buf, size_t len) + struct device_attribute *attr, + const char *buf, size_t len) { struct iio_dev *indio_dev = dev_to_iio_dev(dev); bool value; @@ -1198,7 +1084,8 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev, int val, int val2) { struct tsl2X7X_chip *chip = iio_priv(indio_dev); - int ret = -EINVAL; + int ret = -EINVAL, y, z, filter_delay; + u8 time; switch (info) { case IIO_EV_INFO_VALUE: @@ -1230,6 +1117,33 @@ static int tsl2x7x_write_event_value(struct iio_dev *indio_dev, } } break; + case IIO_EV_INFO_PERIOD: + if (chan->type == IIO_INTENSITY) + time = chip->settings.als_time; + else + time = chip->settings.prx_time; + + y = (TSL2X7X_MAX_TIMER_CNT - time) + 1; + z = y * TSL2X7X_MIN_ITIME; + + filter_delay = DIV_ROUND_UP((val * 1000) + val2, z); + + if (chan->type == IIO_INTENSITY) { + chip->settings.persistence &= 0xF0; + chip->settings.persistence |= + (filter_delay & 0x0F); + dev_info(&chip->client->dev, "%s: ALS persistence = %d", + __func__, filter_delay); + } else { + chip->settings.persistence &= 0x0F; + chip->settings.persistence |= + ((filter_delay << 4) & 0xF0); + dev_info(&chip->client->dev, + "%s: Proximity persistence = %d", + __func__, filter_delay); + } + ret = 0; + break; default: break; } @@ -1248,7 +1162,8 @@ static int tsl2x7x_read_event_value(struct iio_dev *indio_dev, int *val, int *val2) { struct tsl2X7X_chip *chip = iio_priv(indio_dev); - int ret = -EINVAL; + int ret = -EINVAL, filter_delay, mult; + u8 time; switch (info) { case IIO_EV_INFO_VALUE: @@ -1280,6 +1195,23 @@ static int tsl2x7x_read_event_value(struct iio_dev *indio_dev, } } break; + case IIO_EV_INFO_PERIOD: + if (chan->type == IIO_INTENSITY) { + time = chip->settings.als_time; + mult = chip->settings.persistence & 0x0F; + } else { + time = chip->settings.prx_time; + mult = (chip->settings.persistence & 0xF0) >> 4; + } + + /* Determine integration time */ + *val = (TSL2X7X_MAX_TIMER_CNT - time) + 1; + *val2 = *val * TSL2X7X_MIN_ITIME; + filter_delay = *val2 * mult; + *val = filter_delay / 1000; + *val2 = filter_delay % 1000; + ret = IIO_VAL_INT_PLUS_MICRO; + break; default: break; } @@ -1329,9 +1261,9 @@ static int tsl2x7x_read_raw(struct iio_dev *indio_dev, break; case IIO_CHAN_INFO_CALIBSCALE: if (chan->type == IIO_LIGHT) - *val = tsl2X7X_als_gainadj[chip->settings.als_gain]; + *val = tsl2x7x_als_gain[chip->settings.als_gain]; else - *val = tsl2X7X_prx_gainadj[chip->settings.prox_gain]; + *val = tsl2x7x_prx_gain[chip->settings.prox_gain]; ret = IIO_VAL_INT; break; case IIO_CHAN_INFO_CALIBBIAS: @@ -1432,8 +1364,6 @@ static int tsl2x7x_write_raw(struct iio_dev *indio_dev, return tsl2x7x_invoke_change(indio_dev); } -static DEVICE_ATTR_RO(in_proximity0_calibscale_available); - static DEVICE_ATTR_RO(in_illuminance0_calibscale_available); static DEVICE_ATTR_RW(in_illuminance0_target_input); @@ -1444,10 +1374,6 @@ static DEVICE_ATTR_WO(in_proximity0_calibrate); static DEVICE_ATTR_RW(in_illuminance0_lux_table); -static DEVICE_ATTR_RW(in_intensity0_thresh_period); - -static DEVICE_ATTR_RW(in_proximity0_thresh_period); - /* Use the default register values to identify the Taos device */ static int tsl2x7x_device_id(int *id, int target) { @@ -1533,13 +1459,13 @@ static struct attribute *tsl2x7x_ALSPRX_device_attrs[] = { &dev_attr_in_illuminance0_target_input.attr, &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, - &dev_attr_in_proximity0_calibrate.attr, + &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; static struct attribute *tsl2x7x_PRX2_device_attrs[] = { &dev_attr_in_proximity0_calibrate.attr, - &dev_attr_in_proximity0_calibscale_available.attr, + &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; @@ -1550,26 +1476,10 @@ static struct attribute *tsl2x7x_ALSPRX2_device_attrs[] = { &dev_attr_in_illuminance0_calibrate.attr, &dev_attr_in_illuminance0_lux_table.attr, &dev_attr_in_proximity0_calibrate.attr, - &dev_attr_in_proximity0_calibscale_available.attr, + &iio_const_attr_in_proximity0_calibscale_available.dev_attr.attr, NULL }; -static struct attribute *tsl2X7X_ALS_event_attrs[] = { - &dev_attr_in_intensity0_thresh_period.attr, - NULL, -}; - -static struct attribute *tsl2X7X_PRX_event_attrs[] = { - &dev_attr_in_proximity0_thresh_period.attr, - NULL, -}; - -static struct attribute *tsl2X7X_ALSPRX_event_attrs[] = { - &dev_attr_in_intensity0_thresh_period.attr, - &dev_attr_in_proximity0_thresh_period.attr, - NULL, -}; - static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = { [ALS] = { .attrs = tsl2x7x_ALS_device_attrs, @@ -1588,25 +1498,9 @@ static const struct attribute_group tsl2X7X_device_attr_group_tbl[] = { }, }; -static const struct attribute_group tsl2X7X_event_attr_group_tbl[] = { - [ALS] = { - .attrs = tsl2X7X_ALS_event_attrs, - .name = "events", - }, - [PRX] = { - .attrs = tsl2X7X_PRX_event_attrs, - .name = "events", - }, - [ALSPRX] = { - .attrs = tsl2X7X_ALSPRX_event_attrs, - .name = "events", - }, -}; - static const struct iio_info tsl2X7X_device_info[] = { [ALS] = { .attrs = &tsl2X7X_device_attr_group_tbl[ALS], - .event_attrs = &tsl2X7X_event_attr_group_tbl[ALS], .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1616,7 +1510,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [PRX] = { .attrs = &tsl2X7X_device_attr_group_tbl[PRX], - .event_attrs = &tsl2X7X_event_attr_group_tbl[PRX], .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1626,7 +1519,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [ALSPRX] = { .attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX], - .event_attrs = &tsl2X7X_event_attr_group_tbl[ALSPRX], .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1636,7 +1528,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [PRX2] = { .attrs = &tsl2X7X_device_attr_group_tbl[PRX2], - .event_attrs = &tsl2X7X_event_attr_group_tbl[PRX], .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1646,7 +1537,6 @@ static const struct iio_info tsl2X7X_device_info[] = { }, [ALSPRX2] = { .attrs = &tsl2X7X_device_attr_group_tbl[ALSPRX2], - .event_attrs = &tsl2X7X_event_attr_group_tbl[ALSPRX], .read_raw = &tsl2x7x_read_raw, .write_raw = &tsl2x7x_write_raw, .read_event_value = &tsl2x7x_read_event_value, @@ -1667,6 +1557,10 @@ static const struct iio_event_spec tsl2x7x_events[] = { .dir = IIO_EV_DIR_FALLING, .mask_separate = BIT(IIO_EV_INFO_VALUE) | BIT(IIO_EV_INFO_ENABLE), + }, { + .type = IIO_EV_TYPE_THRESH, + .dir = IIO_EV_DIR_EITHER, + .mask_separate = BIT(IIO_EV_INFO_PERIOD), }, }; @@ -1825,7 +1719,7 @@ static int tsl2x7x_probe(struct i2c_client *clientp, return -EINVAL; } - ret = i2c_smbus_write_byte(clientp, (TSL2X7X_CMD_REG | TSL2X7X_CNTRL)); + ret = i2c_smbus_write_byte(clientp, TSL2X7X_CMD_REG | TSL2X7X_CNTRL); if (ret < 0) { dev_err(&clientp->dev, "write to cmd reg failed. err = %d\n", ret); diff --git a/drivers/staging/iio/light/tsl2x7x.h b/drivers/staging/iio/light/tsl2x7x.h index a216c6943a84..df00f2ec1719 100644 --- a/drivers/staging/iio/light/tsl2x7x.h +++ b/drivers/staging/iio/light/tsl2x7x.h @@ -23,8 +23,6 @@ #define __TSL2X7X_H #include <linux/pm.h> -struct iio_dev; - struct tsl2x7x_lux { unsigned int ratio; unsigned int ch0; |