The pcm playback and capture sample size format was fixed
SNDRV_PCM_FMTBIT_S16_LE.
This patch respects also 16, 24 and 32 bit p_ssize and c_ssize values.
Signed-off-by: Sebastian Reimers <sebastian.reimers@xxxxxxxxx>
---
drivers/usb/gadget/f_uac2.c | 24 ++++++++++++++++++++++--
1 file changed, 22 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/f_uac2.c b/drivers/usb/gadget/f_uac2.c
index 6261db4a..3ed89ec 100644
--- a/drivers/usb/gadget/f_uac2.c
+++ b/drivers/usb/gadget/f_uac2.c
@@ -348,14 +348,34 @@ static int uac2_pcm_open(struct snd_pcm_substream *substream)
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
spin_lock_init(&uac2->p_prm.lock);
runtime->hw.rate_min = p_srate;
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; /* ! p_ssize ! */
+ switch (p_ssize) {
+ case 3:
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
+ break;
+ case 4:
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
+ break;
+ default:
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
+ break;
+ }
runtime->hw.channels_min = num_channels(p_chmask);
runtime->hw.period_bytes_min = 2 * uac2->p_prm.max_psize
/ runtime->hw.periods_min;
} else {
spin_lock_init(&uac2->c_prm.lock);
runtime->hw.rate_min = c_srate;
- runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE; /* ! c_ssize ! */
+ switch (c_ssize) {
+ case 3:
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S24_3LE;
+ break;
+ case 4:
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S32_LE;
+ break;
+ default:
+ runtime->hw.formats = SNDRV_PCM_FMTBIT_S16_LE;
+ break;
+ }
runtime->hw.channels_min = num_channels(c_chmask);
runtime->hw.period_bytes_min = 2 * uac2->c_prm.max_psize
/ runtime->hw.periods_min;
--
2.0.1
--
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