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Commit ec8242de authored by Sebastian Reichel's avatar Sebastian Reichel
Browse files

Merge 'ib-jz47xx-battery-prereq' into psy-next 



Merge immutable branch containing the IIO changes required
for the new Ingenic JZ47xx battery fuel gauge driver.

Signed-off-by: default avatarSebastian Reichel <sre@kernel.org>
parents c279adaf 89388ca4

drivers/iio/inkern.c

+17 −5
Original line number Diff line number Diff line
@@ -733,11 +733,11 @@ static int iio_channel_read_avail(struct iio_channel *chan, 
						 vals, type, length, info);

}



int iio_read_avail_channel_raw(struct iio_channel *chan,

			       const int **vals, int *length)

int iio_read_avail_channel_attribute(struct iio_channel *chan,

				     const int **vals, int *type, int *length,

				     enum iio_chan_info_enum attribute)

{

	int ret;

	int type;



	mutex_lock(&chan->indio_dev->info_exist_lock);

	if (!chan->indio_dev->info) {
@@ -745,11 +745,23 @@ int iio_read_avail_channel_raw(struct iio_channel *chan, 
		goto err_unlock;

	}



	ret = iio_channel_read_avail(chan,

				     vals, &type, length, IIO_CHAN_INFO_RAW);

	ret = iio_channel_read_avail(chan, vals, type, length, attribute);

err_unlock:

	mutex_unlock(&chan->indio_dev->info_exist_lock);



	return ret;

}

EXPORT_SYMBOL_GPL(iio_read_avail_channel_attribute);



int iio_read_avail_channel_raw(struct iio_channel *chan,

			       const int **vals, int *length)

{

	int ret;

	int type;



	ret = iio_read_avail_channel_attribute(chan, vals, &type, length,

					 IIO_CHAN_INFO_RAW);



	if (ret >= 0 && type != IIO_VAL_INT)

		/* raw values are assumed to be IIO_VAL_INT */

		ret = -EINVAL;

include/linux/iio/consumer.h

+14 −0
Original line number Diff line number Diff line
@@ -290,6 +290,20 @@ int iio_read_max_channel_raw(struct iio_channel *chan, int *val); 
int iio_read_avail_channel_raw(struct iio_channel *chan,

			       const int **vals, int *length);



/**

 * iio_read_avail_channel_attribute() - read available channel attribute values

 * @chan:		The channel being queried.

 * @vals:		Available values read back.

 * @type:		Type of values read back.

 * @length:		Number of entries in vals.

 * @attribute:		info attribute to be read back.

 *

 * Returns an error code, IIO_AVAIL_RANGE or IIO_AVAIL_LIST.

 */

int iio_read_avail_channel_attribute(struct iio_channel *chan,

				     const int **vals, int *type, int *length,

				     enum iio_chan_info_enum attribute);



/**

 * iio_get_channel_type() - get the type of a channel

 * @channel:		The channel being queried.