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staging:iio:dummy: Fix mismatch and export sysfs entry 

Correct the mismatch bewteen calibscale and calibbias, and export
the in_accel_calibscale sysfs entry

Updated to apply to current tree.

Signed-off-by: Jin Feng <jin88.feng@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Jin Feng 2013-04-05 05:51:00 +01:00 committed by Jonathan Cameron
parent 9f16778c5d
commit ff3fc8eb47
1 changed files with 9 additions and 2 deletions
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11
drivers/staging/iio/iio_simple_dummy.c
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@ -166,11 +166,12 @@ static const struct iio_chan_spec iio_dummy_channels[] = {
.channel2 = IIO_MOD_X,
.info_mask_separate = BIT(IIO_CHAN_INFO_RAW) |
/*
* Internal bias correction value. Applied
* Internal bias and gain correction values. Applied
* by the hardware or driver prior to userspace
* seeing the readings. Typically part of hardware
* calibration.
*/
BIT(IIO_CHAN_INFO_CALIBSCALE) |
BIT(IIO_CHAN_INFO_CALIBBIAS),
.scan_index = accelx,
.scan_type = { /* Description of storage in buffer */
@ -311,7 +312,7 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
st->dac_val = val;
mutex_unlock(&st->lock);
return 0;
case IIO_CHAN_INFO_CALIBBIAS:
case IIO_CHAN_INFO_CALIBSCALE:
mutex_lock(&st->lock);
/* Compare against table - hard matching here */
for (i = 0; i < ARRAY_SIZE(dummy_scales); i++)
@ -324,6 +325,12 @@ static int iio_dummy_write_raw(struct iio_dev *indio_dev,
st->accel_calibscale = &dummy_scales[i];
mutex_unlock(&st->lock);
return ret;
case IIO_CHAN_INFO_CALIBBIAS:
mutex_lock(&st->lock);
st->accel_calibbias = val;
mutex_unlock(&st->lock);
return 0;
default:
return -EINVAL;
}