diff options
Diffstat (limited to 'drivers/iio/adc')
-rw-r--r-- | drivers/iio/adc/ad7266.c | 2 | ||||
-rw-r--r-- | drivers/iio/adc/ad7380.c | 32 | ||||
-rw-r--r-- | drivers/iio/adc/ad7606.c | 11 | ||||
-rw-r--r-- | drivers/iio/adc/ad7606_spi.c | 2 | ||||
-rw-r--r-- | drivers/iio/adc/ad7768-1.c | 2 | ||||
-rw-r--r-- | drivers/iio/adc/dln2-adc.c | 2 | ||||
-rw-r--r-- | drivers/iio/adc/qcom-spmi-iadc.c | 4 | ||||
-rw-r--r-- | drivers/iio/adc/rockchip_saradc.c | 17 |
8 files changed, 45 insertions, 27 deletions
diff --git a/drivers/iio/adc/ad7266.c b/drivers/iio/adc/ad7266.c index 18559757f908..7fef2727f89e 100644 --- a/drivers/iio/adc/ad7266.c +++ b/drivers/iio/adc/ad7266.c @@ -45,7 +45,7 @@ struct ad7266_state { */ struct { __be16 sample[2]; - s64 timestamp; + aligned_s64 timestamp; } data __aligned(IIO_DMA_MINALIGN); }; diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c index 4fcb49fdf566..aef85093eb16 100644 --- a/drivers/iio/adc/ad7380.c +++ b/drivers/iio/adc/ad7380.c @@ -1211,6 +1211,9 @@ static int ad7380_offload_buffer_predisable(struct iio_dev *indio_dev) struct ad7380_state *st = iio_priv(indio_dev); int ret; + spi_offload_trigger_disable(st->offload, st->offload_trigger); + spi_unoptimize_message(&st->offload_msg); + if (st->seq) { ret = regmap_update_bits(st->regmap, AD7380_REG_ADDR_CONFIG1, @@ -1222,10 +1225,6 @@ static int ad7380_offload_buffer_predisable(struct iio_dev *indio_dev) st->seq = false; } - spi_offload_trigger_disable(st->offload, st->offload_trigger); - - spi_unoptimize_message(&st->offload_msg); - return 0; } @@ -1611,11 +1610,25 @@ static int ad7380_write_event_config(struct iio_dev *indio_dev, return ret; } -static int ad7380_get_alert_th(struct ad7380_state *st, +static int ad7380_get_alert_th(struct iio_dev *indio_dev, + const struct iio_chan_spec *chan, enum iio_event_direction dir, int *val) { - int ret, tmp; + struct ad7380_state *st = iio_priv(indio_dev); + const struct iio_scan_type *scan_type; + int ret, tmp, shift; + + scan_type = iio_get_current_scan_type(indio_dev, chan); + if (IS_ERR(scan_type)) + return PTR_ERR(scan_type); + + /* + * The register value is 12-bits and is compared to the most significant + * bits of raw value, therefore a shift is required to convert this to + * the same scale as the raw value. + */ + shift = scan_type->realbits - 12; switch (dir) { case IIO_EV_DIR_RISING: @@ -1625,7 +1638,7 @@ static int ad7380_get_alert_th(struct ad7380_state *st, if (ret) return ret; - *val = FIELD_GET(AD7380_ALERT_HIGH_TH, tmp); + *val = FIELD_GET(AD7380_ALERT_HIGH_TH, tmp) << shift; return IIO_VAL_INT; case IIO_EV_DIR_FALLING: ret = regmap_read(st->regmap, @@ -1634,7 +1647,7 @@ static int ad7380_get_alert_th(struct ad7380_state *st, if (ret) return ret; - *val = FIELD_GET(AD7380_ALERT_LOW_TH, tmp); + *val = FIELD_GET(AD7380_ALERT_LOW_TH, tmp) << shift; return IIO_VAL_INT; default: return -EINVAL; @@ -1648,7 +1661,6 @@ static int ad7380_read_event_value(struct iio_dev *indio_dev, enum iio_event_info info, int *val, int *val2) { - struct ad7380_state *st = iio_priv(indio_dev); int ret; switch (info) { @@ -1656,7 +1668,7 @@ static int ad7380_read_event_value(struct iio_dev *indio_dev, if (!iio_device_claim_direct(indio_dev)) return -EBUSY; - ret = ad7380_get_alert_th(st, dir, val); + ret = ad7380_get_alert_th(indio_dev, chan, dir, val); iio_device_release_direct(indio_dev); return ret; diff --git a/drivers/iio/adc/ad7606.c b/drivers/iio/adc/ad7606.c index 1a314fddd7eb..703556eb7257 100644 --- a/drivers/iio/adc/ad7606.c +++ b/drivers/iio/adc/ad7606.c @@ -1236,9 +1236,11 @@ static int ad7616_sw_mode_setup(struct iio_dev *indio_dev) st->write_scale = ad7616_write_scale_sw; st->write_os = &ad7616_write_os_sw; - ret = st->bops->sw_mode_config(indio_dev); - if (ret) - return ret; + if (st->bops->sw_mode_config) { + ret = st->bops->sw_mode_config(indio_dev); + if (ret) + return ret; + } /* Activate Burst mode and SEQEN MODE */ return ad7606_write_mask(st, AD7616_CONFIGURATION_REGISTER, @@ -1268,6 +1270,9 @@ static int ad7606b_sw_mode_setup(struct iio_dev *indio_dev) st->write_scale = ad7606_write_scale_sw; st->write_os = &ad7606_write_os_sw; + if (!st->bops->sw_mode_config) + return 0; + return st->bops->sw_mode_config(indio_dev); } diff --git a/drivers/iio/adc/ad7606_spi.c b/drivers/iio/adc/ad7606_spi.c index 885bf0b68e77..179115e90988 100644 --- a/drivers/iio/adc/ad7606_spi.c +++ b/drivers/iio/adc/ad7606_spi.c @@ -131,7 +131,7 @@ static int ad7606_spi_reg_read(struct ad7606_state *st, unsigned int addr) { .tx_buf = &st->d16[0], .len = 2, - .cs_change = 0, + .cs_change = 1, }, { .rx_buf = &st->d16[1], .len = 2, diff --git a/drivers/iio/adc/ad7768-1.c b/drivers/iio/adc/ad7768-1.c index 5a863005aca6..5e0be36af0c5 100644 --- a/drivers/iio/adc/ad7768-1.c +++ b/drivers/iio/adc/ad7768-1.c @@ -168,7 +168,7 @@ struct ad7768_state { union { struct { __be32 chan; - s64 timestamp; + aligned_s64 timestamp; } scan; __be32 d32; u8 d8[2]; diff --git a/drivers/iio/adc/dln2-adc.c b/drivers/iio/adc/dln2-adc.c index a1e48a756a7b..359e26e3f5bc 100644 --- a/drivers/iio/adc/dln2-adc.c +++ b/drivers/iio/adc/dln2-adc.c @@ -466,7 +466,7 @@ static irqreturn_t dln2_adc_trigger_h(int irq, void *p) struct iio_dev *indio_dev = pf->indio_dev; struct { __le16 values[DLN2_ADC_MAX_CHANNELS]; - int64_t timestamp_space; + aligned_s64 timestamp_space; } data; struct dln2_adc_get_all_vals dev_data; struct dln2_adc *dln2 = iio_priv(indio_dev); diff --git a/drivers/iio/adc/qcom-spmi-iadc.c b/drivers/iio/adc/qcom-spmi-iadc.c index 7fb8b2499a1d..b64a8a407168 100644 --- a/drivers/iio/adc/qcom-spmi-iadc.c +++ b/drivers/iio/adc/qcom-spmi-iadc.c @@ -543,7 +543,9 @@ static int iadc_probe(struct platform_device *pdev) else return ret; } else { - device_init_wakeup(iadc->dev, 1); + ret = devm_device_init_wakeup(iadc->dev); + if (ret) + return dev_err_probe(iadc->dev, ret, "Failed to init wakeup\n"); } ret = iadc_update_offset(iadc); diff --git a/drivers/iio/adc/rockchip_saradc.c b/drivers/iio/adc/rockchip_saradc.c index 9a099df79518..5e28bd28b81a 100644 --- a/drivers/iio/adc/rockchip_saradc.c +++ b/drivers/iio/adc/rockchip_saradc.c @@ -520,15 +520,6 @@ static int rockchip_saradc_probe(struct platform_device *pdev) if (info->reset) rockchip_saradc_reset_controller(info->reset); - /* - * Use a default value for the converter clock. - * This may become user-configurable in the future. - */ - ret = clk_set_rate(info->clk, info->data->clk_rate); - if (ret < 0) - return dev_err_probe(&pdev->dev, ret, - "failed to set adc clk rate\n"); - ret = regulator_enable(info->vref); if (ret < 0) return dev_err_probe(&pdev->dev, ret, @@ -555,6 +546,14 @@ static int rockchip_saradc_probe(struct platform_device *pdev) if (IS_ERR(info->clk)) return dev_err_probe(&pdev->dev, PTR_ERR(info->clk), "failed to get adc clock\n"); + /* + * Use a default value for the converter clock. + * This may become user-configurable in the future. + */ + ret = clk_set_rate(info->clk, info->data->clk_rate); + if (ret < 0) + return dev_err_probe(&pdev->dev, ret, + "failed to set adc clk rate\n"); platform_set_drvdata(pdev, indio_dev); |