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: c4824ae7db
("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>
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@ -246,7 +246,7 @@ static bool hw_support_mmap(struct snd_pcm_substream *substream)
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if (!(substream->runtime->hw.info & SNDRV_PCM_INFO_MMAP))
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return false;
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if (substream->ops->mmap)
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if (substream->ops->mmap || substream->ops->page)
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return true;
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switch (substream->dma_buffer.dev.type) {
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