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| author | Andrej Krutak <dev@andree.sk> | 2016-09-18 20:59:25 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2016-09-19 23:00:37 +0200 |
| commit | f56742cc41895b1ed3742406dc3587b0d6424acb (patch) | |
| tree | 8c359bd99c6905273dc9968c4de13c895010e1e6 /sound/usb/line6/pcm.h | |
| parent | ALSA: line6: Allow different channel numbers for in/out (diff) | |
| download | linux-f56742cc41895b1ed3742406dc3587b0d6424acb.tar.xz linux-f56742cc41895b1ed3742406dc3587b0d6424acb.zip | |
ALSA: line6: Add LINE6_CAP_IN_NEEDS_OUT, a void playback stream during capture
E.g. POD X3 seems to require playback data to be sent to it to generate
capture data. Otherwise the device stalls and doesn't send any more capture
data until it's reset.
Signed-off-by: Andrej Krutak <dev@andree.sk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/line6/pcm.h')
| -rw-r--r-- | sound/usb/line6/pcm.h | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/sound/usb/line6/pcm.h b/sound/usb/line6/pcm.h index 67fda315aa89..bb0c9cbf2a78 100644 --- a/sound/usb/line6/pcm.h +++ b/sound/usb/line6/pcm.h @@ -73,6 +73,7 @@ enum { LINE6_STREAM_PCM, LINE6_STREAM_MONITOR, LINE6_STREAM_IMPULSE, + LINE6_STREAM_CAPTURE_HELPER, }; /* misc bit flags for PCM operation */ @@ -191,7 +192,8 @@ extern int snd_line6_hw_params(struct snd_pcm_substream *substream, extern int snd_line6_hw_free(struct snd_pcm_substream *substream); extern snd_pcm_uframes_t snd_line6_pointer(struct snd_pcm_substream *substream); extern void line6_pcm_disconnect(struct snd_line6_pcm *line6pcm); -extern int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int type); +extern int line6_pcm_acquire(struct snd_line6_pcm *line6pcm, int type, + bool start); extern void line6_pcm_release(struct snd_line6_pcm *line6pcm, int type); #endif |