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ASoC: codecs: wcd-common: fix signedness bug in wcd_dt_parse_micbias_info()

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The error handling does not work because common->micb_vout[] is an array
of u32.  We need a signed variable to store negative error codes.

Fixes: 4f16b6351b ("ASoC: codecs: wcd: add common helper for wcd codecs")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Srinivas Kandagatla <srinivas.kandagatla@oss.qualcomm.com>
Link: https://patch.msgid.link/aNKEZ3VqJ8js208v@stanley.mountain
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dan Carpenter 2025-09-23 14:28:39 +03:00 • committed by Mark Brown
parent 2cc6710595
commit dc64b3d42c
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1 changed files with 5 additions and 4 deletions
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9
sound/soc/codecs/wcd-common.c
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@ -62,12 +62,13 @@ static int wcd_get_micbias_val(struct device *dev, int micb_num, u32 *micb_mv)
int wcd_dt_parse_micbias_info(struct wcd_common *common)
{
int i;
int ret, i;
for (i = 0; i < common->max_bias; i++) {
common->micb_vout[i] = wcd_get_micbias_val(common->dev, i + 1, &common->micb_mv[i]);
if (common->micb_vout[i] < 0)
return -EINVAL;
ret = wcd_get_micbias_val(common->dev, i + 1, &common->micb_mv[i]);
if (ret < 0)
return ret;
common->micb_vout[i] = ret;
}
return 0;