summaryrefslogtreecommitdiffstats
path: root/drivers/media/video/em28xx/em28xx-audio.c
diff options
context:
space:
mode:
authorDavid S. Miller <davem@davemloft.net>2008-12-02 19:50:27 -0800
committerDavid S. Miller <davem@davemloft.net>2008-12-02 19:50:27 -0800
commitaa2ba5f1082dc705745899584aac8416d710c056 (patch)
treebde0bf4aff036c6bac19a0212194ae1092afb3c9 /drivers/media/video/em28xx/em28xx-audio.c
parent68024541e2e5a8f35e281daaa5068a29e2a538a5 (diff)
parentf6f7b52e2f6149d2ee365717afff315b05720162 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/ixgbe/ixgbe_main.c drivers/net/smc91x.c
Diffstat (limited to 'drivers/media/video/em28xx/em28xx-audio.c')
-rw-r--r--drivers/media/video/em28xx/em28xx-audio.c33
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 ac3292d7646..7a8d49ef646 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);