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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 10:10:51 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-05-27 10:10:51 -0700 |
| commit | 09cefbb605ccb07c65f313253268a634e0dcd283 (patch) | |
| tree | e7be04bdf5dca8c3e2205f44f06b8f09b99bb025 /sound/core/pcm_lib.c | |
| parent | dc7acbb2518f250050179c8581a972df3b6a24f1 (diff) | |
| parent | cf73df1e2975ae8f88e573e5f593761339a65def (diff) | |
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Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6: (26 commits)
ASoC: Fix power down for widgetless per-card DAPM context case
ASoC: wm1250-ev1: Define "WM1250 Output" with SND_SOC_DAPM_OUTPUT
ASoC: Remove duplicate linux/delay.h inclusion.
ASoC: sam9g20_wm8731: use the proper SYSCKL value
ASoC: wm8731: fix wm8731_check_osc() connected condition
ALSA: hda - Reorganize controller quriks with bit flags
ALSA: hda - Use snd_printd() in snd_hda_parse_pin_def_config()
ALSA: core: remove unused variables.
ALSA: HDA: Increase MAX_HDMI_PINS
ALSA: PCM - Don't check DMA time-out too shortly
MAINTAINERS: add FireWire audio maintainer
ALSA: usb-audio: more control quirks for M-Audio FastTrack devices
ALSA: usb-audio: add new quirk type QUIRK_AUDIO_STANDARD_MIXER
ALSA: usb-audio: export snd_usb_feature_unit_ctl
ALSA: usb-audio: rework add_control_to_empty()
ALSA: usb-audio: move assignment of chip->ctrl_intf
ALSA: hda - Use model=auto for Lenovo G555
ALSA: HDA: Unify HDMI hotplug handling.
ALSA: hda - Force AD1988_6STACK_DIG for Asus M3N-HT Deluxe
ASoC: core - remove superfluous new line.
...
Diffstat (limited to 'sound/core/pcm_lib.c')
| -rw-r--r-- | sound/core/pcm_lib.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index abfeff16..f134130 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -1756,8 +1756,18 @@ static int wait_for_avail(struct snd_pcm_substream *substream, wait_queue_t wait; int err = 0; snd_pcm_uframes_t avail = 0; - long tout; - + long wait_time, tout; + + if (runtime->no_period_wakeup) + wait_time = MAX_SCHEDULE_TIMEOUT; + else { + wait_time = 10; + if (runtime->rate) { + long t = runtime->period_size * 2 / runtime->rate; + wait_time = max(t, wait_time); + } + wait_time = msecs_to_jiffies(wait_time * 1000); + } init_waitqueue_entry(&wait, current); add_wait_queue(&runtime->tsleep, &wait); for (;;) { @@ -1765,9 +1775,8 @@ static int wait_for_avail(struct snd_pcm_substream *substream, err = -ERESTARTSYS; break; } - set_current_state(TASK_INTERRUPTIBLE); snd_pcm_stream_unlock_irq(substream); - tout = schedule_timeout(msecs_to_jiffies(10000)); + tout = schedule_timeout_interruptible(wait_time); snd_pcm_stream_lock_irq(substream); switch (runtime->status->state) { case SNDRV_PCM_STATE_SUSPENDED: |