Substream value is currently hardcoded to SNDRV_PCM_SUBFORMAT_STD.
Update the constraint procedure so that subformat selection is not
ignored.
Signed-off-by: Cezary Rojewski <cezary.rojewski@xxxxxxxxx>
---
sound/core/pcm_native.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 39a65d1415ab..cb2745f80af3 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -2618,6 +2618,8 @@ static int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream)
int err;
unsigned int mask = 0;
+ /* All PCMs support at least the default STD subformat. */
+ hw->subformats |= PARAM_MASK_BIT(SNDRV_PCM_SUBFORMAT_STD);
if (hw->info & SNDRV_PCM_INFO_INTERLEAVED)
mask |= PARAM_MASK_BIT(SNDRV_PCM_ACCESS_RW_INTERLEAVED);
if (hw->info & SNDRV_PCM_INFO_NONINTERLEAVED)
@@ -2638,8 +2640,7 @@ static int snd_pcm_hw_constraints_complete(struct snd_pcm_substream *substream)
if (err < 0)
return err;
- err = snd_pcm_hw_constraint_mask(runtime, SNDRV_PCM_HW_PARAM_SUBFORMAT,
- PARAM_MASK_BIT(SNDRV_PCM_SUBFORMAT_STD));
+ err = snd_pcm_hw_constraint_mask(runtime, SNDRV_PCM_HW_PARAM_SUBFORMAT, hw->subformats);
if (err < 0)
return err;
--
2.25.1
