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iio: dac: ad5791: fix storage

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IIO uses "natural" alignment so storagebits should always be a power of
2. Change storagebits to 32 since that is the natural size to store 24
bits of data.

The ad5791 driver currently doesn't use this field anywhere and doesn't
support buffered writes, so this does not change anything. We just don't
want anyone to think that it is OK to have storagebits = 24 in other
drivers.

Signed-off-by: David Lechner <dlechner@baylibre.com>
Reviewed-by: Nuno Sá <nuno.sa@analog.com>
Link: https://patch.msgid.link/20250122-iio-dac-ad5791-fix-storagebits-v1-1-53746e0f25cd@baylibre.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
David Lechner
2025-01-22 17:16:59 -06:00
committed by Jonathan Cameron
parent 3bb415513c
commit 3ea0944dca
1 changed files with 1 additions and 1 deletions
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2
drivers/iio/dac/ad5791.c
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@@ -294,7 +294,7 @@ static const struct ad5791_chip_info _name##_chip_info = { \
.scan_type = { \
.sign = 'u', \
.realbits = (bits), \
.storagebits = 24, \
.storagebits = 32, \
.shift = (_shift), \
}, \
.ext_info = ad5791_ext_info, \