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| author | Jaroslav Kysela <perex@perex.cz> | 2021-07-30 12:02:54 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-08-12 14:22:09 +0300 |
| commit | c0b626f0a29a966d37d6dd7784005e47b38c1497 (patch) | |
| tree | 07816c719d05979b4f20710764cc0e345490a31b /sound/core | |
| parent | dd3f7c5c890450ab2ad6f269a3fdf7bcd6fc2908 (diff) | |
| download | linux-c0b626f0a29a966d37d6dd7784005e47b38c1497.tar.xz | |
ALSA: pcm - fix mmap capability check for the snd-dummy driver
commit 852a8a97776a153be2e6c803218eced45f37a19c upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound/core')
| -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 6d1759b9ccb2..b36c8d94d4da 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) { |