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https://github.com/edk2-porting/linux-next.git
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e5779998bf
Clean up the usb audio driver by factoring out a lot of functions to separate files. Code for procfs, quirks, urbs, format parsers etc all got a new home now. Moved almost all special quirk handling to quirks.c and introduced new generic functions to handle them, so the exceptions do not pollute the whole driver. Renamed usbaudio.c to card.c because this is what it actually does now. Renamed usbmidi.c to midi.c for namespace clarity. Removed more things from usbaudio.h. The non-standard drivers were adopted accordingly. Signed-off-by: Daniel Mack <daniel@caiaq.de> Cc: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
22 lines
696 B
C
22 lines
696 B
C
#ifndef __USBAUDIO_URB_H
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#define __USBAUDIO_URB_H
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void snd_usb_init_substream(struct snd_usb_stream *as,
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int stream,
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struct audioformat *fp);
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int snd_usb_init_substream_urbs(struct snd_usb_substream *subs,
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unsigned int period_bytes,
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unsigned int rate,
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unsigned int frame_bits);
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void snd_usb_release_substream_urbs(struct snd_usb_substream *subs, int force);
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int snd_usb_substream_prepare(struct snd_usb_substream *subs,
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struct snd_pcm_runtime *runtime);
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int snd_usb_substream_playback_trigger(struct snd_pcm_substream *substream, int cmd);
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int snd_usb_substream_capture_trigger(struct snd_pcm_substream *substream, int cmd);
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#endif /* __USBAUDIO_URB_H */
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