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staging: iio: resolver: ad2s1210: add debugfs reg access

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This add an implementation of debugfs_reg_access for the AD2S1210
driver.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Link: https://lore.kernel.org/r/20230929-ad2s1210-mainline-v3-11-fa4364281745@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner 2023-09-29 12:23:16 -05:00 committed by Jonathan Cameron
parent b3689e1441
commit 569dc8054e
1 changed files with 20 additions and 0 deletions
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20
drivers/staging/iio/resolver/ad2s1210.c
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@ -614,9 +614,29 @@ error_ret:
return ret;
}
static int ad2s1210_debugfs_reg_access(struct iio_dev *indio_dev,
unsigned int reg, unsigned int writeval,
unsigned int *readval)
{
struct ad2s1210_state *st = iio_priv(indio_dev);
int ret;
mutex_lock(&st->lock);
if (readval)
ret = regmap_read(st->regmap, reg, readval);
else
ret = regmap_write(st->regmap, reg, writeval);
mutex_unlock(&st->lock);
return ret;
}
static const struct iio_info ad2s1210_info = {
.read_raw = ad2s1210_read_raw,
.attrs = &ad2s1210_attribute_group,
.debugfs_reg_access = &ad2s1210_debugfs_reg_access,
};
static int ad2s1210_setup_clocks(struct ad2s1210_state *st)