Merge commit '9365f0de4303f82ed4c2db1c39d3de824b249d80' into HEAD

Merge v6.12-rc6 via char-misc-next to get some fixes needed for next few
patches in IIO.

5 files changed, 84 insertions, 62 deletions

diff --git a/drivers/iio/adc/ad7124.c b/drivers/iio/adc/ad7124.c
index a5d91933f505..b79c48d46ccc 100644
--- a/drivers/iio/adc/ad7124.c
+++ b/drivers/iio/adc/ad7124.c
@@ -637,7 +637,7 @@ static int ad7124_write_raw(struct iio_dev *indio_dev,
 
 	switch (info) {
 	case IIO_CHAN_INFO_SAMP_FREQ:
-		if (val2 != 0) {
+		if (val2 != 0 || val == 0) {
 			ret = -EINVAL;
 			break;
 		}
diff --git a/drivers/iio/adc/ad7380.c b/drivers/iio/adc/ad7380.c
index e8bddfb0d07d..fb728570debe 100644
--- a/drivers/iio/adc/ad7380.c
+++ b/drivers/iio/adc/ad7380.c
@@ -75,6 +75,7 @@
 #define T_CONVERT_NS 190		/* conversion time */
 #define T_CONVERT_0_NS 10		/* 1st conversion start time (oversampling) */
 #define T_CONVERT_X_NS 500		/* xth conversion start time (oversampling) */
+#define T_POWERUP_US 5000		/* Power up */
 
 struct ad7380_timing_specs {
 	const unsigned int t_csh_ns;	/* CS minimum high time */
@@ -86,6 +87,9 @@ struct ad7380_chip_info {
 	unsigned int num_channels;
 	unsigned int num_simult_channels;
 	bool has_mux;
+	const char * const *supplies;
+	unsigned int num_supplies;
+	bool external_ref_only;
 	const char * const *vcm_supplies;
 	unsigned int num_vcm_supplies;
 	const unsigned long *available_scan_masks;
@@ -243,6 +247,10 @@ DEFINE_AD7380_8_CHANNEL(ad7386_4_channels, 16, 0, u);
 DEFINE_AD7380_8_CHANNEL(ad7387_4_channels, 14, 0, u);
 DEFINE_AD7380_8_CHANNEL(ad7388_4_channels, 12, 0, u);
 
+static const char * const ad7380_supplies[] = {
+	"vcc", "vlogic",
+};
+
 static const char * const ad7380_2_channel_vcm_supplies[] = {
 	"aina", "ainb",
 };
@@ -338,6 +346,8 @@ static const struct ad7380_chip_info ad7380_chip_info = {
 	.channels = ad7380_channels,
 	.num_channels = ARRAY_SIZE(ad7380_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
 };
@@ -347,6 +357,8 @@ static const struct ad7380_chip_info ad7381_chip_info = {
 	.channels = ad7381_channels,
 	.num_channels = ARRAY_SIZE(ad7381_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
 };
@@ -356,6 +368,8 @@ static const struct ad7380_chip_info ad7383_chip_info = {
 	.channels = ad7383_channels,
 	.num_channels = ARRAY_SIZE(ad7383_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_2_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_2_channel_vcm_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
@@ -367,6 +381,8 @@ static const struct ad7380_chip_info ad7384_chip_info = {
 	.channels = ad7384_channels,
 	.num_channels = ARRAY_SIZE(ad7384_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_2_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_2_channel_vcm_supplies),
 	.available_scan_masks = ad7380_2_channel_scan_masks,
@@ -378,6 +394,8 @@ static const struct ad7380_chip_info ad7386_chip_info = {
 	.channels = ad7386_channels,
 	.num_channels = ARRAY_SIZE(ad7386_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
@@ -388,6 +406,8 @@ static const struct ad7380_chip_info ad7387_chip_info = {
 	.channels = ad7387_channels,
 	.num_channels = ARRAY_SIZE(ad7387_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
@@ -398,6 +418,8 @@ static const struct ad7380_chip_info ad7388_chip_info = {
 	.channels = ad7388_channels,
 	.num_channels = ARRAY_SIZE(ad7388_channels),
 	.num_simult_channels = 2,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x2_channel_scan_masks,
 	.timing_specs = &ad7380_timing,
@@ -408,6 +430,9 @@ static const struct ad7380_chip_info ad7380_4_chip_info = {
 	.channels = ad7380_4_channels,
 	.num_channels = ARRAY_SIZE(ad7380_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
+	.external_ref_only = true,
 	.available_scan_masks = ad7380_4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
 };
@@ -417,6 +442,8 @@ static const struct ad7380_chip_info ad7381_4_chip_info = {
 	.channels = ad7381_4_channels,
 	.num_channels = ARRAY_SIZE(ad7381_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.available_scan_masks = ad7380_4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
 };
@@ -426,6 +453,8 @@ static const struct ad7380_chip_info ad7383_4_chip_info = {
 	.channels = ad7383_4_channels,
 	.num_channels = ARRAY_SIZE(ad7383_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_4_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_4_channel_vcm_supplies),
 	.available_scan_masks = ad7380_4_channel_scan_masks,
@@ -437,6 +466,8 @@ static const struct ad7380_chip_info ad7384_4_chip_info = {
 	.channels = ad7384_4_channels,
 	.num_channels = ARRAY_SIZE(ad7384_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.vcm_supplies = ad7380_4_channel_vcm_supplies,
 	.num_vcm_supplies = ARRAY_SIZE(ad7380_4_channel_vcm_supplies),
 	.available_scan_masks = ad7380_4_channel_scan_masks,
@@ -448,6 +479,8 @@ static const struct ad7380_chip_info ad7386_4_chip_info = {
 	.channels = ad7386_4_channels,
 	.num_channels = ARRAY_SIZE(ad7386_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
@@ -458,6 +491,8 @@ static const struct ad7380_chip_info ad7387_4_chip_info = {
 	.channels = ad7387_4_channels,
 	.num_channels = ARRAY_SIZE(ad7387_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
@@ -468,6 +503,8 @@ static const struct ad7380_chip_info ad7388_4_chip_info = {
 	.channels = ad7388_4_channels,
 	.num_channels = ARRAY_SIZE(ad7388_4_channels),
 	.num_simult_channels = 4,
+	.supplies = ad7380_supplies,
+	.num_supplies = ARRAY_SIZE(ad7380_supplies),
 	.has_mux = true,
 	.available_scan_masks = ad7380_2x4_channel_scan_masks,
 	.timing_specs = &ad7380_4_timing,
@@ -956,7 +993,7 @@ static const struct iio_info ad7380_info = {
 	.debugfs_reg_access = &ad7380_debugfs_reg_access,
 };
 
-static int ad7380_init(struct ad7380_state *st, struct regulator *vref)
+static int ad7380_init(struct ad7380_state *st, bool external_ref_en)
 {
 	int ret;
 
@@ -968,13 +1005,13 @@ static int ad7380_init(struct ad7380_state *st, struct regulator *vref)
 	if (ret < 0)
 		return ret;
 
-	/* select internal or external reference voltage */
-	ret = regmap_update_bits(st->regmap, AD7380_REG_ADDR_CONFIG1,
-				 AD7380_CONFIG1_REFSEL,
-				 FIELD_PREP(AD7380_CONFIG1_REFSEL,
-					    vref ? 1 : 0));
-	if (ret < 0)
-		return ret;
+	if (external_ref_en) {
+		/* select external reference voltage */
+		ret = regmap_set_bits(st->regmap, AD7380_REG_ADDR_CONFIG1,
+				      AD7380_CONFIG1_REFSEL);
+		if (ret < 0)
+			return ret;
+	}
 
 	/* This is the default value after reset. */
 	st->oversampling_ratio = 1;
@@ -987,16 +1024,11 @@ static int ad7380_init(struct ad7380_state *st, struct regulator *vref)
 				  FIELD_PREP(AD7380_CONFIG2_SDO, 1));
 }
 
-static void ad7380_regulator_disable(void *p)
-{
-	regulator_disable(p);
-}
-
 static int ad7380_probe(struct spi_device *spi)
 {
 	struct iio_dev *indio_dev;
 	struct ad7380_state *st;
-	struct regulator *vref;
+	bool external_ref_en;
 	int ret, i;
 
 	indio_dev = devm_iio_device_alloc(&spi->dev, sizeof(*st));
@@ -1009,36 +1041,38 @@ static int ad7380_probe(struct spi_device *spi)
 	if (!st->chip_info)
 		return dev_err_probe(&spi->dev, -EINVAL, "missing match data\n");
 
-	vref = devm_regulator_get_optional(&spi->dev, "refio");
-	if (IS_ERR(vref)) {
-		if (PTR_ERR(vref) != -ENODEV)
-			return dev_err_probe(&spi->dev, PTR_ERR(vref),
-					     "Failed to get refio regulator\n");
-
-		vref = NULL;
-	}
+	ret = devm_regulator_bulk_get_enable(&spi->dev, st->chip_info->num_supplies,
+					     st->chip_info->supplies);
 
-	/*
-	 * If there is no REFIO supply, then it means that we are using
-	 * the internal 2.5V reference, otherwise REFIO is reference voltage.
-	 */
-	if (vref) {
-		ret = regulator_enable(vref);
-		if (ret)
-			return ret;
-
-		ret = devm_add_action_or_reset(&spi->dev,
-					       ad7380_regulator_disable, vref);
-		if (ret)
-			return ret;
+	if (ret)
+		return dev_err_probe(&spi->dev, ret,
+				     "Failed to enable power supplies\n");
+	fsleep(T_POWERUP_US);
 
-		ret = regulator_get_voltage(vref);
+	if (st->chip_info->external_ref_only) {
+		ret = devm_regulator_get_enable_read_voltage(&spi->dev,
+							     "refin");
 		if (ret < 0)
-			return ret;
+			return dev_err_probe(&spi->dev, ret,
+					     "Failed to get refin regulator\n");
 
 		st->vref_mv = ret / 1000;
+
+		/* these chips don't have a register bit for this */
+		external_ref_en = false;
 	} else {
-		st->vref_mv = AD7380_INTERNAL_REF_MV;
+		/*
+		 * If there is no REFIO supply, then it means that we are using
+		 * the internal reference, otherwise REFIO is reference voltage.
+		 */
+		ret = devm_regulator_get_enable_read_voltage(&spi->dev,
+							     "refio");
+		if (ret < 0 && ret != -ENODEV)
+			return dev_err_probe(&spi->dev, ret,
+					     "Failed to get refio regulator\n");
+
+		external_ref_en = ret != -ENODEV;
+		st->vref_mv = external_ref_en ? ret / 1000 : AD7380_INTERNAL_REF_MV;
 	}
 
 	if (st->chip_info->num_vcm_supplies > ARRAY_SIZE(st->vcm_mv))
@@ -1050,27 +1084,13 @@ static int ad7380_probe(struct spi_device *spi)
 	 * input pin.
 	 */
 	for (i = 0; i < st->chip_info->num_vcm_supplies; i++) {
-		struct regulator *vcm;
-
-		vcm = devm_regulator_get(&spi->dev,
-					 st->chip_info->vcm_supplies[i]);
-		if (IS_ERR(vcm))
-			return dev_err_probe(&spi->dev, PTR_ERR(vcm),
-					     "Failed to get %s regulator\n",
-					     st->chip_info->vcm_supplies[i]);
+		const char *vcm = st->chip_info->vcm_supplies[i];
 
-		ret = regulator_enable(vcm);
-		if (ret)
-			return ret;
-
-		ret = devm_add_action_or_reset(&spi->dev,
-					       ad7380_regulator_disable, vcm);
-		if (ret)
-			return ret;
-
-		ret = regulator_get_voltage(vcm);
+		ret = devm_regulator_get_enable_read_voltage(&spi->dev, vcm);
 		if (ret < 0)
-			return ret;
+			return dev_err_probe(&spi->dev, ret,
+					     "Failed to get %s regulator\n",
+					     vcm);
 
 		st->vcm_mv[i] = ret / 1000;
 	}
@@ -1135,7 +1155,7 @@ static int ad7380_probe(struct spi_device *spi)
 	if (ret)
 		return ret;
 
-	ret = ad7380_init(st, vref);
+	ret = ad7380_init(st, external_ref_en);
 	if (ret)
 		return ret;
 
diff --git a/drivers/iio/dac/Kconfig b/drivers/iio/dac/Kconfig
index 214be735980f..5d01ba4edbf3 100644
--- a/drivers/iio/dac/Kconfig
+++ b/drivers/iio/dac/Kconfig
@@ -412,7 +412,7 @@ config LTC2632
 config LTC2664
 	tristate "Analog Devices LTC2664 and LTC2672 DAC SPI driver"
 	depends on SPI
-	select REGMAP
+	select REGMAP_SPI
 	help
 	  Say yes here to build support for Analog Devices
 	  LTC2664 and LTC2672 converters (DAC).
diff --git a/drivers/iio/industrialio-gts-helper.c b/drivers/iio/industrialio-gts-helper.c
index 59d7615c0f56..5f131bc1a01e 100644
--- a/drivers/iio/industrialio-gts-helper.c
+++ b/drivers/iio/industrialio-gts-helper.c
@@ -307,13 +307,15 @@ static int iio_gts_build_avail_scale_table(struct iio_gts *gts)
 	if (ret)
 		goto err_free_out;
 
+	for (i = 0; i < gts->num_itime; i++)
+		kfree(per_time_gains[i]);
 	kfree(per_time_gains);
 	gts->per_time_avail_scale_tables = per_time_scales;
 
 	return 0;
 
 err_free_out:
-	for (i--; i; i--) {
+	for (i--; i >= 0; i--) {
 		kfree(per_time_scales[i]);
 		kfree(per_time_gains[i]);
 	}
diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c
index 208a040ee345..ccb43dfd5cf7 100644
--- a/drivers/iio/light/veml6030.c
+++ b/drivers/iio/light/veml6030.c
@@ -691,7 +691,7 @@ static int veml6030_read_raw(struct iio_dev *indio_dev,
 			}
 			if (mask == IIO_CHAN_INFO_PROCESSED) {
 				*val = (reg * data->cur_resolution) / 10000;
-				*val2 = (reg * data->cur_resolution) % 10000;
+				*val2 = (reg * data->cur_resolution) % 10000 * 100;
 				return IIO_VAL_INT_PLUS_MICRO;
 			}
 			*val = reg;