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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2008-12-20 04:54:54 -0500 |
| commit | 93b8eef1c098efbea2f1fc0be7e3c681f259a7e7 (patch) | |
| tree | 462cc8c2bc07bbc825dab2a200891a28d8643329 /drivers/media/video/em28xx/em28xx-audio.c | |
| parent | a2d781fc8d9b16113dd9440107d73c0f21d7cbef (diff) | |
| parent | 929096fe9ff1f4b3645cf3919527ab47e8d5e17c (diff) | |
| download | linux-stable-93b8eef1c098efbea2f1fc0be7e3c681f259a7e7.tar.gz | |
Merge commit 'v2.6.28-rc9' into next
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-audio.c')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-audio.c | 33 |
1 files changed, 16 insertions, 17 deletions
diff --git a/drivers/media/video/em28xx/em28xx-audio.c b/drivers/media/video/em28xx/em28xx-audio.c index ac3292d7646c..7a8d49ef646e 100644 --- a/drivers/media/video/em28xx/em28xx-audio.c +++ b/drivers/media/video/em28xx/em28xx-audio.c @@ -62,7 +62,7 @@ static int em28xx_isoc_audio_deinit(struct em28xx *dev) dprintk("Stopping isoc\n"); for (i = 0; i < EM28XX_AUDIO_BUFS; i++) { - usb_kill_urb(dev->adev->urb[i]); + usb_unlink_urb(dev->adev->urb[i]); usb_free_urb(dev->adev->urb[i]); dev->adev->urb[i] = NULL; } @@ -75,7 +75,6 @@ static void em28xx_audio_isocirq(struct urb *urb) struct em28xx *dev = urb->context; int i; unsigned int oldptr; - unsigned long flags; int period_elapsed = 0; int status; unsigned char *cp; @@ -96,9 +95,21 @@ static void em28xx_audio_isocirq(struct urb *urb) if (!length) continue; - spin_lock_irqsave(&dev->adev->slock, flags); - oldptr = dev->adev->hwptr_done_capture; + if (oldptr + length >= runtime->buffer_size) { + unsigned int cnt = + runtime->buffer_size - oldptr; + memcpy(runtime->dma_area + oldptr * stride, cp, + cnt * stride); + memcpy(runtime->dma_area, cp + cnt * stride, + length * stride - cnt * stride); + } else { + memcpy(runtime->dma_area + oldptr * stride, cp, + length * stride); + } + + snd_pcm_stream_lock(substream); + dev->adev->hwptr_done_capture += length; if (dev->adev->hwptr_done_capture >= runtime->buffer_size) @@ -113,19 +124,7 @@ static void em28xx_audio_isocirq(struct urb *urb) period_elapsed = 1; } - spin_unlock_irqrestore(&dev->adev->slock, flags); - - if (oldptr + length >= runtime->buffer_size) { - unsigned int cnt = - runtime->buffer_size - oldptr; - memcpy(runtime->dma_area + oldptr * stride, cp, - cnt * stride); - memcpy(runtime->dma_area, cp + cnt * stride, - length * stride - cnt * stride); - } else { - memcpy(runtime->dma_area + oldptr * stride, cp, - length * stride); - } + snd_pcm_stream_unlock(substream); } if (period_elapsed) snd_pcm_period_elapsed(substream); |