Extend support to read/write byte data from/to the device using
debugfs iio interface.
Signed-off-by: Nishant Malpani <nish.malpani25@xxxxxxxxx>
---
No changes in v2
---
drivers/iio/gyro/adxrs290.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/drivers/iio/gyro/adxrs290.c b/drivers/iio/gyro/adxrs290.c
index 4099b8917d3e..132fd16789f0 100644
--- a/drivers/iio/gyro/adxrs290.c
+++ b/drivers/iio/gyro/adxrs290.c
@@ -434,6 +434,24 @@ static int adxrs290_read_avail(struct iio_dev *indio_dev,
}
}
+static int adxrs290_reg_access(struct iio_dev *indio_dev, unsigned int reg,
+ unsigned int writeval, unsigned int *readval)
+{
+ struct adxrs290_state *st = iio_priv(indio_dev);
+ int ret;
+
+ if (!readval)
+ return adxrs290_spi_write_reg(st->spi, reg, writeval);
+
+ ret = spi_w8r8(st->spi, ADXRS290_READ_REG(reg));
+ if (ret < 0)
+ return ret;
+
+ *readval = ret;
+
+ return 0;
+}
+
static int adxrs290_data_rdy_trigger_set_state(struct iio_trigger *trig, bool state)
{
struct iio_dev *indio_dev = iio_trigger_get_drvdata(trig);
@@ -546,6 +564,7 @@ static const struct iio_info adxrs290_info = {
.read_raw = &adxrs290_read_raw,
.write_raw = &adxrs290_write_raw,
.read_avail = &adxrs290_read_avail,
+ .debugfs_reg_access = &adxrs290_reg_access,
};
static int adxrs290_probe_trigger(struct iio_dev *indio_dev)
--
2.20.1
