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| author | Jaroslav Kysela <perex@perex.cz> | 2021-07-30 11:02:54 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2021-07-30 20:20:38 +0200 |
| commit | 852a8a97776a153be2e6c803218eced45f37a19c (patch) | |
| tree | 51edf7ee3307327fae37fa7a462b49ef32780caa /sound | |
| parent | 8dde723fcde4479f256441da03793e37181d9f21 (diff) | |
| download | linux-stable-852a8a97776a153be2e6c803218eced45f37a19c.tar.gz linux-stable-852a8a97776a153be2e6c803218eced45f37a19c.tar.bz2 linux-stable-852a8a97776a153be2e6c803218eced45f37a19c.zip | |
ALSA: pcm - fix mmap capability check for the snd-dummy driver
The snd-dummy driver (fake_buffer configuration) uses the ops->page
callback for the mmap operations. Allow mmap for this case, too.
Cc: <stable@vger.kernel.org>
Fixes: c4824ae7db41 ("ALSA: pcm: Fix mmap capability check")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
Link: https://lore.kernel.org/r/20210730090254.612478-1-perex@perex.cz
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/core/pcm_native.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c index 6a2971a7e6a1..09c0e2a6489c 100644 --- a/sound/core/pcm_native.c +++ b/sound/core/pcm_native.c @@ -246,7 +246,7 @@ static bool hw_support_mmap(struct snd_pcm_substream *substream) if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_MMAP)) return false; - if (substream->ops->mmap) + if (substream->ops->mmap || substream->ops->page) return true; switch (substream->dma_buffer.dev.type) { |