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author | Tony Lindgren <tony@atomide.com> | 2011-03-02 17:07:14 -0800 |
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committer | Tony Lindgren <tony@atomide.com> | 2011-03-02 17:07:14 -0800 |
commit | 12d7d4e0ed8fecf7f74c89483b55b300be6e5901 (patch) | |
tree | f573761ac752ff04ec445e23aef50adadda49790 /sound/usb/pcm.c | |
parent | aca6ad073ea820776bf5bdb87cf82eace35042c8 (diff) | |
parent | 790ab7e92bec24aee3939b300d36b99ab2e3f3ca (diff) | |
download | kernel_samsung_smdk4412-12d7d4e0ed8fecf7f74c89483b55b300be6e5901.zip kernel_samsung_smdk4412-12d7d4e0ed8fecf7f74c89483b55b300be6e5901.tar.gz kernel_samsung_smdk4412-12d7d4e0ed8fecf7f74c89483b55b300be6e5901.tar.bz2 |
Merge branch 'devel-cleanup' into omap-for-linus
Conflicts:
arch/arm/mach-omap2/timer-gp.c
Diffstat (limited to 'sound/usb/pcm.c')
-rw-r--r-- | sound/usb/pcm.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c index 4132522..e3f6805 100644 --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -361,6 +361,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, } if (changed) { + mutex_lock(&subs->stream->chip->shutdown_mutex); /* format changed */ snd_usb_release_substream_urbs(subs, 0); /* influenced: period_bytes, channels, rate, format, */ @@ -368,6 +369,7 @@ static int snd_usb_hw_params(struct snd_pcm_substream *substream, params_rate(hw_params), snd_pcm_format_physical_width(params_format(hw_params)) * params_channels(hw_params)); + mutex_unlock(&subs->stream->chip->shutdown_mutex); } return ret; @@ -385,8 +387,9 @@ static int snd_usb_hw_free(struct snd_pcm_substream *substream) subs->cur_audiofmt = NULL; subs->cur_rate = 0; subs->period_bytes = 0; - if (!subs->stream->chip->shutdown) - snd_usb_release_substream_urbs(subs, 0); + mutex_lock(&subs->stream->chip->shutdown_mutex); + snd_usb_release_substream_urbs(subs, 0); + mutex_unlock(&subs->stream->chip->shutdown_mutex); return snd_pcm_lib_free_vmalloc_buffer(substream); } |