github-mirror/linux
1
0
Fork 0
mirror of https://github.com/torvalds/linux.git synced 2026-05-23 22:52:19 +02:00
Code Issues Actions Packages Projects Releases Wiki Activity Graph

iio: adc: ad7768-1: refactor ad7768_write_raw()

Browse Source 
Squash __ad7768_write_raw() back to ad7768_write_raw() to allow the
addition of new attributes without requiring a direct mode claim.

Signed-off-by: Jonathan Santos <Jonathan.Santos@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Jonathan Santos 2026-01-14 06:27:14 -03:00 committed by Jonathan Cameron
parent 404a3b4c36
commit e7b0312c60
1 changed files with 26 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

50
drivers/iio/adc/ad7768-1.c
View File

@ -742,6 +742,19 @@ static int ad7768_get_filter_type_attr(struct iio_dev *dev,
return ad7768_filter_regval_to_type[FIELD_GET(mask, mode)];
}
static int ad7768_update_dec_rate(struct iio_dev *dev, unsigned int dec_rate)
{
struct ad7768_state *st = iio_priv(dev);
int ret;
ret = ad7768_configure_dig_fil(dev, st->filter_type, dec_rate);
if (ret)
return ret;
/* Update sampling frequency */
return ad7768_set_freq(st, st->samp_freq);
}
static const struct iio_enum ad7768_filter_type_iio_enum = {
.items = ad7768_filter_enum,
.num_items = ARRAY_SIZE(ad7768_filter_enum),
@ -867,44 +880,33 @@ static int ad7768_read_avail(struct iio_dev *indio_dev,
}
}
static int __ad7768_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val, int val2, long info)
static int ad7768_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val, int val2, long info)
{
struct ad7768_state *st = iio_priv(indio_dev);
int ret;
switch (info) {
case IIO_CHAN_INFO_SAMP_FREQ:
return ad7768_set_freq(st, val);
if (!iio_device_claim_direct(indio_dev))
return -EBUSY;
ret = ad7768_set_freq(st, val);
iio_device_release_direct(indio_dev);
return ret;
case IIO_CHAN_INFO_OVERSAMPLING_RATIO:
ret = ad7768_configure_dig_fil(indio_dev, st->filter_type, val);
if (ret)
return ret;
if (!iio_device_claim_direct(indio_dev))
return -EBUSY;
/* Update sampling frequency */
return ad7768_set_freq(st, st->samp_freq);
ret = ad7768_update_dec_rate(indio_dev, val);
iio_device_release_direct(indio_dev);
return ret;
default:
return -EINVAL;
}
}
static int ad7768_write_raw(struct iio_dev *indio_dev,
struct iio_chan_spec const *chan,
int val, int val2, long info)
{
int ret;
if (!iio_device_claim_direct(indio_dev))
return -EBUSY;
ret = __ad7768_write_raw(indio_dev, chan, val, val2, info);
iio_device_release_direct(indio_dev);
return ret;
}
static int ad7768_read_label(struct iio_dev *indio_dev,
const struct iio_chan_spec *chan, char *label)
{