diff options
Diffstat (limited to 'sound/usb/pcm.h')
| -rw-r--r-- | sound/usb/pcm.h | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/sound/usb/pcm.h b/sound/usb/pcm.h index 9833627c1eca..c096021adb2b 100644 --- a/sound/usb/pcm.h +++ b/sound/usb/pcm.h @@ -2,17 +2,28 @@ #ifndef __USBAUDIO_PCM_H #define __USBAUDIO_PCM_H -snd_pcm_uframes_t snd_usb_pcm_delay(struct snd_usb_substream *subs, - unsigned int rate); - void snd_usb_set_pcm_ops(struct snd_pcm *pcm, int stream); int snd_usb_pcm_suspend(struct snd_usb_stream *as); int snd_usb_pcm_resume(struct snd_usb_stream *as); -int snd_usb_init_pitch(struct snd_usb_audio *chip, int iface, - struct usb_host_interface *alts, - struct audioformat *fmt); +bool snd_usb_pcm_has_fixed_rate(struct snd_usb_substream *as); + +int snd_usb_init_pitch(struct snd_usb_audio *chip, + const struct audioformat *fmt); void snd_usb_preallocate_buffer(struct snd_usb_substream *subs); +int snd_usb_audioformat_set_sync_ep(struct snd_usb_audio *chip, + struct audioformat *fmt); + +const struct audioformat * +snd_usb_find_format(struct list_head *fmt_list_head, snd_pcm_format_t format, + unsigned int rate, unsigned int channels, bool strict_match, + struct snd_usb_substream *subs); +const struct audioformat * +snd_usb_find_substream_format(struct snd_usb_substream *subs, + const struct snd_pcm_hw_params *params); +int snd_usb_hw_params(struct snd_usb_substream *subs, + struct snd_pcm_hw_params *hw_params); +int snd_usb_hw_free(struct snd_usb_substream *subs); #endif /* __USBAUDIO_PCM_H */ |