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authorJaroslav Kysela <[email protected]>2021-07-30 09:02:54 +0000
committerTakashi Iwai <[email protected]>2021-07-30 18:20:38 +0000
commit852a8a97776a153be2e6c803218eced45f37a19c (patch)
tree51edf7ee3307327fae37fa7a462b49ef32780caa
parentALSA: usb-audio: Avoid unnecessary or invalid connector selection at resume (diff)
downloadkernel-852a8a97776a153be2e6c803218eced45f37a19c.tar.gz
kernel-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: <[email protected]> Fixes: c4824ae7db41 ("ALSA: pcm: Fix mmap capability check") Signed-off-by: Jaroslav Kysela <[email protected]> Link: https://lore.kernel.org/r/[email protected] Signed-off-by: Takashi Iwai <[email protected]>
-rw-r--r--sound/core/pcm_native.c2
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) {