[PATCH] ASoC: SDCA: Allow sample width wild cards in set_usage()

From: Simon Trimmer

Date: Tue Dec 16 2025 - 09:27:36 EST


The SDCA spec allows the sample rate and width to be wild cards, but the
current implementation of set_usage() only checked for a wild card of
the sample rate.

Fixes: 4ed357f72a0e ("ASoC: SDCA: Add hw_params() helper function")
Signed-off-by: Simon Trimmer <simont@xxxxxxxxxxxxxxxxxxxxx>
---
sound/soc/sdca/sdca_asoc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/sound/soc/sdca/sdca_asoc.c b/sound/soc/sdca/sdca_asoc.c
index 2d328bbb95b9..498aba9df5d9 100644
--- a/sound/soc/sdca/sdca_asoc.c
+++ b/sound/soc/sdca/sdca_asoc.c
@@ -1478,7 +1478,7 @@ static int set_usage(struct device *dev, struct regmap *regmap,
unsigned int rate = sdca_range(range, SDCA_USAGE_SAMPLE_RATE, i);
unsigned int width = sdca_range(range, SDCA_USAGE_SAMPLE_WIDTH, i);

- if ((!rate || rate == target_rate) && width == target_width) {
+ if ((!rate || rate == target_rate) && (!width || width == target_width)) {
unsigned int usage = sdca_range(range, SDCA_USAGE_NUMBER, i);
unsigned int reg = SDW_SDCA_CTL(function->desc->adr,
entity->id, sel, 0);
--
2.43.0