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| author | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-08 10:32:56 +0200 |
| commit | 896395c290f902576270d84291c1f7f8bfbe339d (patch) | |
| tree | 650114bff3a5f808ee1d713ecc443b0eaab2e1c3 /drivers/media/video/em28xx/em28xx-audio.c | |
| parent | af1cf204ba2fd8135933a2e4df523fb1112dc0e2 (diff) | |
| parent | 1b40a895df6c7d5a80e71f65674060b03d84bbef (diff) | |
| download | op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.zip op-kernel-dev-896395c290f902576270d84291c1f7f8bfbe339d.tar.gz | |
Merge branch 'linus' into tmp.x86.mpparse.new
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-audio.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-audio.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index 92b2a6d..3c00610 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -268,6 +268,12 @@ static int snd_em28xx_capture_open(struct snd_pcm_substream *substream) dprintk("opening device and trying to acquire exclusive lock\n"); + if (!dev) { + printk(KERN_ERR "BUG: em28xx can't find device struct." + " Can't proceed with open\n"); + return -ENODEV; + } + /* Sets volume, mute, etc */ dev->mute = 0; @@ -415,6 +421,12 @@ static int em28xx_audio_init(struct em28xx *dev) static int devnr; int ret, err; + if (dev->has_audio_class) { + /* This device does not support the extension (in this case + the device is expecting the snd-usb-audio module */ + return 0; + } + printk(KERN_INFO "em28xx-audio.c: probing for em28x1 " "non standard usbaudio\n"); printk(KERN_INFO "em28xx-audio.c: Copyright (C) 2006 Markus " @@ -458,6 +470,12 @@ static int em28xx_audio_fini(struct em28xx *dev) if (dev == NULL) return 0; + if (dev->has_audio_class) { + /* This device does not support the extension (in this case + the device is expecting the snd-usb-audio module */ + return 0; + } + if (dev->adev) { snd_card_free(dev->adev->sndcard); kfree(dev->adev); |
