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em28xx: remove backward compat macro added on a previous fix 

commit 50f3beb50a fixed em28xx-alsa
locking schema. However, a backport macro was kept.

This patch removes the macro, since it is not needed for the module
compilation against upstream.

Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
hifive-unleashed-5.1
Mauro Carvalho Chehab 2008-12-01 18:04:14 -02:00
parent 484ab62c5e
commit a693b0cdba
1 changed files with 0 additions and 12 deletions
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12
drivers/media/video/em28xx/em28xx-audio.c
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@ -75,9 +75,6 @@ static void em28xx_audio_isocirq(struct urb *urb)
struct em28xx *dev = urb->context;
int i;
unsigned int oldptr;
#ifdef NO_PCM_LOCK
unsigned long flags;
#endif
int period_elapsed = 0;
int status;
unsigned char *cp;
@ -98,9 +95,6 @@ static void em28xx_audio_isocirq(struct urb *urb)
if (!length)
continue;
#ifdef NO_PCM_LOCK
spin_lock_irqsave(&dev->adev->slock, flags);
#endif
oldptr = dev->adev->hwptr_done_capture;
if (oldptr + length >= runtime->buffer_size) {
unsigned int cnt =
@ -114,9 +108,7 @@ static void em28xx_audio_isocirq(struct urb *urb)
length * stride);
}
#ifndef NO_PCM_LOCK
snd_pcm_stream_lock(substream);
#endif
dev->adev->hwptr_done_capture += length;
if (dev->adev->hwptr_done_capture >=
@ -132,11 +124,7 @@ static void em28xx_audio_isocirq(struct urb *urb)
period_elapsed = 1;
}
#ifdef NO_PCM_LOCK
spin_unlock_irqrestore(&dev->adev->slock, flags);
#else
snd_pcm_stream_unlock(substream);
#endif
}
if (period_elapsed)
snd_pcm_period_elapsed(substream);