From: Hui Liu <hui.liu@mediatek.com>
To: <robh+dt@kernel.org>, <jic23@kernel.org>, <lars@metafoo.de>,
<pmeerw@pmeerw.net>
Cc: <srv_heupstream@mediatek.com>, <hui.liu@mediatek.com>,
<zhiyong.tao@mediatek.com>, <chun-hung.wu@mediatek.com>,
<yingjoe.chen@mediatek.com>, <seiya.wang@mediatek.com>,
<matthias.bgg@gmail.com>, <s.hauer@pengutronix.de>,
<devicetree@vger.kernel.org>, <linux-kernel@vger.kernel.org>,
<linux-arm-kernel@lists.infradead.org>,
<linux-iio@vger.kernel.org>, <linux-mediatek@lists.infradead.org>
Subject: [PATCH 1/2] iio: mtk-auxadc: add support IIO_CHAN_INFO_RAW case
Date: Thu, 12 Aug 2021 10:23:41 +0800 [thread overview]
Message-ID: <20210812022342.29092-1-hui.liu@mediatek.com> (raw)
Add support IIO_CHAN_INFO_RAW case.
Signed-off-by: Hui Liu <hui.liu@mediatek.com>
---
drivers/iio/adc/mt6577_auxadc.c | 16 +++++++++++++++-
1 file changed, 15 insertions(+), 1 deletion(-)
diff --git a/drivers/iio/adc/mt6577_auxadc.c b/drivers/iio/adc/mt6577_auxadc.c
index 79c1dd68b909..e995d43287b2 100644
--- a/drivers/iio/adc/mt6577_auxadc.c
+++ b/drivers/iio/adc/mt6577_auxadc.c
@@ -60,7 +60,8 @@ static const struct mtk_auxadc_compatible mt6765_compat = {
.type = IIO_VOLTAGE, \
.indexed = 1, \
.channel = (idx), \
- .info_mask_separate = BIT(IIO_CHAN_INFO_PROCESSED), \
+ .info_mask_separate = BIT(IIO_CHAN_INFO_RAW) | \
+ BIT(IIO_CHAN_INFO_PROCESSED), \
}
static const struct iio_chan_spec mt6577_auxadc_iio_channels[] = {
@@ -181,6 +182,19 @@ static int mt6577_auxadc_read_raw(struct iio_dev *indio_dev,
struct mt6577_auxadc_device *adc_dev = iio_priv(indio_dev);
switch (info) {
+ case IIO_CHAN_INFO_RAW:
+ *val = mt6577_auxadc_read(indio_dev, chan);
+ if (*val < 0) {
+ dev_notice(indio_dev->dev.parent,
+ "failed to sample data on channel[%d]\n",
+ chan->channel);
+ return *val;
+ }
+ if (adc_dev->dev_comp->sample_data_cali)
+ *val = mt_auxadc_get_cali_data(*val, true);
+
+ return IIO_VAL_INT;
+
case IIO_CHAN_INFO_PROCESSED:
*val = mt6577_auxadc_read(indio_dev, chan);
if (*val < 0) {
--
2.18.0
next reply other threads:[~2021-08-12 2:24 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-08-12 2:23 Hui Liu [this message]
2021-08-12 2:23 ` [PATCH 2/2] iio: mtk-auxadc: update case IIO_CHAN_INFO_PROCESSED Hui Liu
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