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ALSA: dummy: Convert to generic PCM copy ops

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This patch converts the dummy driver code to use the new unified PCM
copy callback.  As dummy driver doesn't do anything in the callback,
it's just a simple replacement.

Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230815190136.8987-5-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2023-08-15 21:01:15 +02:00
parent 561b4fa9c1
commit 526a19b3e3
1 changed files with 2 additions and 10 deletions
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12
sound/drivers/dummy.c
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@ -626,14 +626,7 @@ static int alloc_fake_buffer(void)
static int dummy_pcm_copy(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void __user *dst, unsigned long bytes)
{
return 0; /* do nothing */
}
static int dummy_pcm_copy_kernel(struct snd_pcm_substream *substream,
int channel, unsigned long pos,
void *dst, unsigned long bytes)
struct iov_iter *iter, unsigned long bytes)
{
return 0; /* do nothing */
}
@ -667,8 +660,7 @@ static const struct snd_pcm_ops dummy_pcm_ops_no_buf = {
.prepare = dummy_pcm_prepare,
.trigger = dummy_pcm_trigger,
.pointer = dummy_pcm_pointer,
.copy_user = dummy_pcm_copy,
.copy_kernel = dummy_pcm_copy_kernel,
.copy = dummy_pcm_copy,
.fill_silence = dummy_pcm_silence,
.page = dummy_pcm_page,
};