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path: root/drivers/iio/inkern.c
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Diffstat (limited to 'drivers/iio/inkern.c')
-rw-r--r--drivers/iio/inkern.c34
1 files changed, 32 insertions, 2 deletions
diff --git a/drivers/iio/inkern.c b/drivers/iio/inkern.c
index 0cf5f8e06cfc..d833d55052ea 100644
--- a/drivers/iio/inkern.c
+++ b/drivers/iio/inkern.c
@@ -417,12 +417,24 @@ static int iio_channel_read(struct iio_channel *chan, int *val, int *val2,
enum iio_chan_info_enum info)
{
int unused;
+ int vals[INDIO_MAX_RAW_ELEMENTS];
+ int ret;
+ int val_len = 2;
if (val2 == NULL)
val2 = &unused;
- return chan->indio_dev->info->read_raw(chan->indio_dev, chan->channel,
- val, val2, info);
+ if (chan->indio_dev->info->read_raw_multi) {
+ ret = chan->indio_dev->info->read_raw_multi(chan->indio_dev,
+ chan->channel, INDIO_MAX_RAW_ELEMENTS,
+ vals, &val_len, info);
+ *val = vals[0];
+ *val2 = vals[1];
+ } else
+ ret = chan->indio_dev->info->read_raw(chan->indio_dev,
+ chan->channel, val, val2, info);
+
+ return ret;
}
int iio_read_channel_raw(struct iio_channel *chan, int *val)
@@ -443,6 +455,24 @@ err_unlock:
}
EXPORT_SYMBOL_GPL(iio_read_channel_raw);
+int iio_read_channel_average_raw(struct iio_channel *chan, int *val)
+{
+ int ret;
+
+ mutex_lock(&chan->indio_dev->info_exist_lock);
+ if (chan->indio_dev->info == NULL) {
+ ret = -ENODEV;
+ goto err_unlock;
+ }
+
+ ret = iio_channel_read(chan, val, NULL, IIO_CHAN_INFO_AVERAGE_RAW);
+err_unlock:
+ mutex_unlock(&chan->indio_dev->info_exist_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL_GPL(iio_read_channel_average_raw);
+
static int iio_convert_raw_to_processed_unlocked(struct iio_channel *chan,
int raw, int *processed, unsigned int scale)
{