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| author | Daniel Mack <daniel@caiaq.de> | 2009-04-27 12:18:05 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2009-04-27 12:32:52 +0200 |
| commit | a9b487fa1e00b42f9667abfeca4a5295a71333db (patch) | |
| tree | dcf782b896b9e9afc46af1086cd2ae99075c466d /sound | |
| parent | 936e7d03394bc6238091db10d060326622c87ed7 (diff) | |
| download | linux-3.10-a9b487fa1e00b42f9667abfeca4a5295a71333db.tar.gz linux-3.10-a9b487fa1e00b42f9667abfeca4a5295a71333db.tar.bz2 linux-3.10-a9b487fa1e00b42f9667abfeca4a5295a71333db.zip | |
ALSA: snd-usb-caiaq: fix reported elapsed periods
Reset the internal period position counter upon stream startup. This
fixes initial aplay underruns and problems related to latency picky
applications such as pulseaudio.
Bumped the version number to 1.3.14.
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/usb/caiaq/audio.c | 12 | ||||
| -rw-r--r-- | sound/usb/caiaq/device.c | 2 |
2 files changed, 8 insertions, 6 deletions
diff --git a/sound/usb/caiaq/audio.c b/sound/usb/caiaq/audio.c index 3f45c0fe61a..b13ce767ac7 100644 --- a/sound/usb/caiaq/audio.c +++ b/sound/usb/caiaq/audio.c @@ -195,11 +195,14 @@ static int snd_usb_caiaq_pcm_prepare(struct snd_pcm_substream *substream) debug("%s(%p)\n", __func__, substream); - if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) + if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) { + dev->period_out_count[index] = BYTES_PER_SAMPLE + 1; dev->audio_out_buf_pos[index] = BYTES_PER_SAMPLE + 1; - else + } else { + dev->period_in_count[index] = BYTES_PER_SAMPLE; dev->audio_in_buf_pos[index] = BYTES_PER_SAMPLE; - + } + if (dev->streaming) return 0; @@ -300,8 +303,7 @@ static void check_for_elapsed_periods(struct snd_usb_caiaqdev *dev, if (!sub) continue; - pb = frames_to_bytes(sub->runtime, - sub->runtime->period_size); + pb = snd_pcm_lib_period_bytes(sub); cnt = (sub->stream == SNDRV_PCM_STREAM_PLAYBACK) ? &dev->period_out_count[stream] : &dev->period_in_count[stream]; diff --git a/sound/usb/caiaq/device.c b/sound/usb/caiaq/device.c index 6d517705da0..515de1cd2a3 100644 --- a/sound/usb/caiaq/device.c +++ b/sound/usb/caiaq/device.c @@ -35,7 +35,7 @@ #include "input.h" MODULE_AUTHOR("Daniel Mack <daniel@caiaq.de>"); -MODULE_DESCRIPTION("caiaq USB audio, version 1.3.13"); +MODULE_DESCRIPTION("caiaq USB audio, version 1.3.14"); MODULE_LICENSE("GPL"); MODULE_SUPPORTED_DEVICE("{{Native Instruments, RigKontrol2}," "{Native Instruments, RigKontrol3}," |