linux-kernel - [PATCH v2] iio/axp288_adc: add missing channel info mask

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Date:	Mon,  6 Apr 2015 11:38:20 -0700
From:	Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:	IIO <linux-iio@...r.kernel.org>,
	Jonathan Cameron <jic23@...nel.org>
Cc:	LKML <linux-kernel@...r.kernel.org>,
	Lee Jones <lee.jones@...aro.org>,
	Lars-Peter Clausen <lars@...afoo.de>,
	Hartmut Knaack <knaack.h@....de>,
	Aaron Lu <aaron.lu@...el.com>,
	Todd Brandt <todd.e.brandt@...ux.intel.com>,
	Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: [PATCH v2] iio/axp288_adc: add missing channel info mask

Commit 65de7654d39c70c2b ("iio: iio: Fix iio_channel_read return if
channel havn't info") added a check for valid info masks.

This patch adds missing channel info masks for all ADC channels.
Otherwise, iio_read_channel_raw() would return -EINVAL when called
by consumer drivers.

Signed-off-by: Jacob Pan <jacob.jun.pan@...ux.intel.com>
---
 drivers/iio/adc/axp288_adc.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/adc/axp288_adc.c b/drivers/iio/adc/axp288_adc.c
index 08bcfb0..56008a8 100644
--- a/drivers/iio/adc/axp288_adc.c
+++ b/drivers/iio/adc/axp288_adc.c
@@ -53,39 +53,42 @@ static const struct iio_chan_spec const axp288_adc_channels[] = {
 		.channel = 0,
 		.address = AXP288_TS_ADC_H,
 		.datasheet_name = "TS_PIN",
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
 	}, {
 		.indexed = 1,
 		.type = IIO_TEMP,
 		.channel = 1,
 		.address = AXP288_PMIC_ADC_H,
 		.datasheet_name = "PMIC_TEMP",
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
 	}, {
 		.indexed = 1,
 		.type = IIO_TEMP,
 		.channel = 2,
 		.address = AXP288_GP_ADC_H,
 		.datasheet_name = "GPADC",
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
 	}, {
 		.indexed = 1,
 		.type = IIO_CURRENT,
 		.channel = 3,
 		.address = AXP20X_BATT_CHRG_I_H,
 		.datasheet_name = "BATT_CHG_I",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
 	}, {
 		.indexed = 1,
 		.type = IIO_CURRENT,
 		.channel = 4,
 		.address = AXP20X_BATT_DISCHRG_I_H,
 		.datasheet_name = "BATT_DISCHRG_I",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
 	}, {
 		.indexed = 1,
 		.type = IIO_VOLTAGE,
 		.channel = 5,
 		.address = AXP20X_BATT_V_H,
 		.datasheet_name = "BATT_V",
-		.info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED),
+		.info_mask_separate = BIT(IIO_CHAN_INFO_RAW),
 	},
 };
 
@@ -151,9 +154,6 @@ static int axp288_adc_read_raw(struct iio_dev *indio_dev,
 						chan->address))
 			dev_err(&indio_dev->dev, "TS pin restore\n");
 		break;
-	case IIO_CHAN_INFO_PROCESSED:
-		ret = axp288_adc_read_channel(val, chan->address, info->regmap);
-		break;
 	default:
 		ret = -EINVAL;
 	}
-- 
1.9.1

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