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authorLinus Torvalds <torvalds@linux-foundation.org>2008-12-01 19:56:34 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2008-12-01 19:56:34 -0800
commit0d815142d1988899c97514a25ce5a9f4880e7fc8 (patch)
treeb20eb59f54c1a015435c20e748d7e4ab09fc5e41 /drivers/media/video/em28xx/em28xx-audio.c
parent9c84ba4e502184d95ab75128d3166f595ea2dea0 (diff)
parenta693b0cdba94f60f7ed43754d2c34151cdd11da5 (diff)
Merge branch 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6
* 'for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (25 commits) em28xx: remove backward compat macro added on a previous fix V4L/DVB (9748): em28xx: fix compile warning V4L/DVB (9743): em28xx: fix oops audio V4L/DVB (9742): em28xx-alsa: implement another locking schema V4L/DVB (9732): sms1xxx: use new firmware for Hauppauge WinTV MiniStick V4L/DVB (9691): gspca: Move the video device to a separate area. V4L/DVB (9690): gspca: Lock the subdrivers via module_get/put. V4L/DVB (9689): gspca: Memory leak when disconnect while streaming. V4L/DVB (9668): em28xx: fix a race condition with hald V4L/DVB (9664): af9015: don't reconnect device in USB-bus V4L/DVB (9647): em28xx: void having two concurrent control URB's V4L/DVB (9646): em28xx: avoid allocating/dealocating memory on every control urb V4L/DVB (9645): em28xx: Avoid memory leaks if registration fails V4L/DVB (9639): Make dib0700 remote control support work with firmware v1.20 V4L/DVB (9635): v4l: s2255drv fix firmware test on big-endian V4L/DVB (9634): Make sure the i2c gate is open before powering down tuner V4L/DVB (9632): make em28xx aux audio input work V4L/DVB (9631): Make s2api work for ATSC support V4L/DVB (9627): em28xx: Avoid i2c register error for boards without eeprom V4L/DVB (9608): Fix section mismatch warning for dm1105 during make ...
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);