diff options
Diffstat (limited to 'sound/drivers/aloop.c')
| -rw-r--r-- | sound/drivers/aloop.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c index e87dc67f33c6..1c65e0a3b13c 100644 --- a/sound/drivers/aloop.c +++ b/sound/drivers/aloop.c @@ -322,6 +322,17 @@ static int loopback_snd_timer_close_cable(struct loopback_pcm *dpcm) return 0; } +static bool is_access_interleaved(snd_pcm_access_t access) +{ + switch (access) { + case SNDRV_PCM_ACCESS_MMAP_INTERLEAVED: + case SNDRV_PCM_ACCESS_RW_INTERLEAVED: + return true; + default: + return false; + } +}; + static int loopback_check_format(struct loopback_cable *cable, int stream) { struct snd_pcm_runtime *runtime, *cruntime; @@ -341,7 +352,8 @@ static int loopback_check_format(struct loopback_cable *cable, int stream) check = runtime->format != cruntime->format || runtime->rate != cruntime->rate || runtime->channels != cruntime->channels || - runtime->access != cruntime->access; + is_access_interleaved(runtime->access) != + is_access_interleaved(cruntime->access); if (!check) return 0; if (stream == SNDRV_PCM_STREAM_CAPTURE) { @@ -369,7 +381,8 @@ static int loopback_check_format(struct loopback_cable *cable, int stream) &setup->channels_id); setup->channels = runtime->channels; } - if (setup->access != runtime->access) { + if (is_access_interleaved(setup->access) != + is_access_interleaved(runtime->access)) { snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_VALUE, &setup->access_id); setup->access = runtime->access; @@ -584,8 +597,7 @@ static void copy_play_buf(struct loopback_pcm *play, size = play->pcm_buffer_size - src_off; if (dst_off + size > capt->pcm_buffer_size) size = capt->pcm_buffer_size - dst_off; - if (runtime->access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED || - runtime->access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED) + if (!is_access_interleaved(runtime->access)) copy_play_buf_part_n(play, capt, size, src_off, dst_off); else memcpy(dst + dst_off, src + src_off, size); @@ -1544,8 +1556,7 @@ static int loopback_access_get(struct snd_kcontrol *kcontrol, mutex_lock(&loopback->cable_lock); access = loopback->setup[kcontrol->id.subdevice][kcontrol->id.device].access; - ucontrol->value.enumerated.item[0] = access == SNDRV_PCM_ACCESS_RW_NONINTERLEAVED || - access == SNDRV_PCM_ACCESS_MMAP_NONINTERLEAVED; + ucontrol->value.enumerated.item[0] = !is_access_interleaved(access); mutex_unlock(&loopback->cable_lock); return 0; |