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pcm: hw - fix again snd_pcm_hw_state() when the driver was disconnected

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Fixes: 2c8e31f5 ("pcm: hw - fix snd_pcm_hw_state()")
Signed-off-by: Jaroslav Kysela <perex@perex.cz>
This commit is contained in:
Jaroslav Kysela 2021-05-27 22:01:25 +02:00
parent c8f608d674
commit c7a939ee31
1 changed files with 4 additions and 3 deletions
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7
src/pcm/pcm_hw.c
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@ -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/* in this case, the mmaped state is no longer updated */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;
}