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| author | Takashi Iwai <tiwai@suse.de> | 2014-07-10 09:50:19 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2014-07-10 16:58:15 +0200 |
| commit | 5646eda5851e6cfdfa22d41895e3f5daffa643d3 (patch) | |
| tree | 833064daee079d8c84874a4ec7cf1e7d025ac460 /include/uapi/sound | |
| parent | ALSA: Provide a CLOCK_MONOTONIC_RAW timestamp type (diff) | |
| download | linux-5646eda5851e6cfdfa22d41895e3f5daffa643d3.tar.xz linux-5646eda5851e6cfdfa22d41895e3f5daffa643d3.zip | |
ALSA: pcm: Add timestamp type to sw_params
For allowing adjusting the timestamp type on the fly, add it to
sw_params. The existing ioctl is still kept for compatibility.
Along with this, increment the PCM protocol version.
The extension was suggested by Clemens Ladisch.
Acked-by: Jaroslav Kysela <perex@perex.cz>
Reviewed-by: Mark Brown <broonie@linaro.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/uapi/sound')
| -rw-r--r-- | include/uapi/sound/asound.h | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/include/uapi/sound/asound.h b/include/uapi/sound/asound.h index cbf7dc850a46..a7e062f91f39 100644 --- a/include/uapi/sound/asound.h +++ b/include/uapi/sound/asound.h @@ -139,7 +139,7 @@ struct snd_hwdep_dsp_image { * * *****************************************************************************/ -#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 11) +#define SNDRV_PCM_VERSION SNDRV_PROTOCOL_VERSION(2, 0, 12) typedef unsigned long snd_pcm_uframes_t; typedef signed long snd_pcm_sframes_t; @@ -391,7 +391,9 @@ struct snd_pcm_sw_params { snd_pcm_uframes_t silence_threshold; /* min distance from noise for silence filling */ snd_pcm_uframes_t silence_size; /* silence block size */ snd_pcm_uframes_t boundary; /* pointers wrap point */ - unsigned char reserved[64]; /* reserved for future */ + unsigned int tstamp_type; /* timestamp type */ + int pads; /* alignment, reserved */ + unsigned char reserved[56]; /* reserved for future */ }; struct snd_pcm_channel_info { |