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| author | Jaroslav Kysela <perex@perex.cz> | 2021-05-27 22:01:25 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2021-05-27 22:01:38 +0200 |
| commit | c7a939ee31a8a25253d9620ecea6620d48a028eb (patch) | |
| tree | 566611ac17b1366a066222b3e2193c14c330fd0f | |
| parent | c8f608d67463b814f2c077c3cdae5663f3574f12 (diff) | |
| download | alsa-lib-c7a939ee31a8a25253d9620ecea6620d48a028eb.tar.gz | |
pcm: hw - fix again snd_pcm_hw_state() when the driver was disconnected
Fixes: 2c8e31f5 ("pcm: hw - fix snd_pcm_hw_state()")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
| -rw-r--r-- | src/pcm/pcm_hw.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/pcm/pcm_hw.c b/src/pcm/pcm_hw.c index b38dcb5f..610e0ef3 100644 --- a/src/pcm/pcm_hw.c +++ b/src/pcm/pcm_hw.c @@ -600,9 +600,10 @@ static int snd_pcm_hw_status(snd_pcm_t *pcm, snd_pcm_status_t * status) static snd_pcm_state_t snd_pcm_hw_state(snd_pcm_t *pcm) { snd_pcm_hw_t *hw = pcm->private_data; - /* no error checking, the mmap state should be correct - * after SNDRV_PCM_IOCTL_SYNC_PTR */ - query_status_data(hw); + /* the -ENODEV may come from the snd_disconnect_ioctl() in kernel */ + /* in this case, the mmaped state is no longer updated */ + if (query_status_data(hw) == -ENODEV) + return SND_PCM_STATE_DISCONNECTED; return (snd_pcm_state_t) hw->mmap_status->state; } |