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Diffstat (limited to 'sound/usb/endpoint.c')
-rw-r--r--sound/usb/endpoint.c16
1 files changed, 10 insertions, 6 deletions
diff --git a/sound/usb/endpoint.c b/sound/usb/endpoint.c
index 4aaf0784940b..419302e2057e 100644
--- a/sound/usb/endpoint.c
+++ b/sound/usb/endpoint.c
@@ -769,7 +769,8 @@ struct snd_usb_endpoint *
snd_usb_endpoint_open(struct snd_usb_audio *chip,
const struct audioformat *fp,
const struct snd_pcm_hw_params *params,
- bool is_sync_ep)
+ bool is_sync_ep,
+ bool fixed_rate)
{
struct snd_usb_endpoint *ep;
int ep_num = is_sync_ep ? fp->sync_ep : fp->endpoint;
@@ -825,6 +826,7 @@ snd_usb_endpoint_open(struct snd_usb_audio *chip,
ep->implicit_fb_sync = fp->implicit_fb;
ep->need_setup = true;
ep->need_prepare = true;
+ ep->fixed_rate = fixed_rate;
usb_audio_dbg(chip, " channels=%d, rate=%d, format=%s, period_bytes=%d, periods=%d, implicit_fb=%d\n",
ep->cur_channels, ep->cur_rate,
@@ -1413,11 +1415,13 @@ static int init_sample_rate(struct snd_usb_audio *chip,
if (clock && !clock->need_setup)
return 0;
- err = snd_usb_init_sample_rate(chip, ep->cur_audiofmt, rate);
- if (err < 0) {
- if (clock)
- clock->rate = 0; /* reset rate */
- return err;
+ if (!ep->fixed_rate) {
+ err = snd_usb_init_sample_rate(chip, ep->cur_audiofmt, rate);
+ if (err < 0) {
+ if (clock)
+ clock->rate = 0; /* reset rate */
+ return err;
+ }
}
if (clock)