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authorDylan Reid <dgreid@chromium.org>2012-09-18 18:49:47 +0200
committerTakashi Iwai <tiwai@suse.de>2012-09-19 08:07:52 +0200
commit35ec7aa29833de350f51922736aefe22ebf76c4d (patch)
tree20509b13b846678dbb8c16277bb0c57c936e735b /sound/usb/endpoint.h
parentALSA: usb-audio: set period_bytes in substream. (diff)
downloadlinux-35ec7aa29833de350f51922736aefe22ebf76c4d.tar.xz
linux-35ec7aa29833de350f51922736aefe22ebf76c4d.zip
ALSA: usb-audio: Don't require hw_params in endpoint.
Change the interface to configure an endpoint so that it doesn't require a hw_params struct. This will allow it to be called from prepare instead of hw_params, configuring it after system resume. Signed-off-by: Dylan Reid <dgreid@chromium.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/endpoint.h')
-rw-r--r--sound/usb/endpoint.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/sound/usb/endpoint.h b/sound/usb/endpoint.h
index cbbbdf226d66..6376ccf10fd4 100644
--- a/sound/usb/endpoint.h
+++ b/sound/usb/endpoint.h
@@ -9,7 +9,10 @@ struct snd_usb_endpoint *snd_usb_add_endpoint(struct snd_usb_audio *chip,
int ep_num, int direction, int type);
int snd_usb_endpoint_set_params(struct snd_usb_endpoint *ep,
- struct snd_pcm_hw_params *hw_params,
+ snd_pcm_format_t pcm_format,
+ unsigned int channels,
+ unsigned int period_bytes,
+ unsigned int rate,
struct audioformat *fmt,
struct snd_usb_endpoint *sync_ep);