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Commit a4217498 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Jonathan Cameron
Browse files

iio: imu: st_lsm6dsx: add error logs to st_lsm6dsx_read_fifo() 



Add debug info to error conditions in st_lsm6dsx_read_fifo routine

Suggested-by: default avatarJorge Ramirez-Ortiz <jramirez@baylibre.com>
Signed-off-by: default avatarLorenzo Bianconi <lorenzo.bianconi@redhat.com>
Signed-off-by: default avatarJonathan Cameron <Jonathan.Cameron@huawei.com>
parent d2b863ba

drivers/iio/imu/st_lsm6dsx/st_lsm6dsx_buffer.c

+13 −3
Original line number Diff line number Diff line
@@ -298,8 +298,11 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw) 
	err = regmap_bulk_read(hw->regmap,

			       hw->settings->fifo_ops.fifo_diff.addr,

			       &fifo_status, sizeof(fifo_status));

	if (err < 0)

	if (err < 0) {

		dev_err(hw->dev, "failed to read fifo status (err=%d)\n",

			err);

		return err;

	}



	if (fifo_status & cpu_to_le16(ST_LSM6DSX_FIFO_EMPTY_MASK))

		return 0;
@@ -313,8 +316,12 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw) 


	for (read_len = 0; read_len < fifo_len; read_len += pattern_len) {

		err = st_lsm6dsx_read_block(hw, hw->buff, pattern_len);

		if (err < 0)

		if (err < 0) {

			dev_err(hw->dev,

				"failed to read pattern from fifo (err=%d)\n",

				err);

			return err;

		}



		/*

		 * Data are written to the FIFO with a specific pattern
@@ -385,9 +392,12 @@ static int st_lsm6dsx_read_fifo(struct st_lsm6dsx_hw *hw) 


	if (unlikely(reset_ts)) {

		err = st_lsm6dsx_reset_hw_ts(hw);

		if (err < 0)

		if (err < 0) {

			dev_err(hw->dev, "failed to reset hw ts (err=%d)\n",

				err);

			return err;

		}

	}

	return read_len;

}