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| author | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-05-09 11:58:20 -0700 |
|---|---|---|
| committer | Bjorn Andersson <bjorn.andersson@linaro.org> | 2018-05-09 11:59:07 -0700 |
| commit | 9935448e207cc9e7e5fd3c6aa3282ff503f263c4 (patch) | |
| tree | a43f75f5dd940664f468418d59d3879ffff75b8f /sound/drivers/aloop.c | |
| parent | 41a5985f173bf1f93d2634fc93d8aa53683067f9 (diff) | |
| parent | 75bc37fefc4471e718ba8e651aa74673d4e0a9eb (diff) | |
| download | linux-9935448e207cc9e7e5fd3c6aa3282ff503f263c4.tar.gz linux-9935448e207cc9e7e5fd3c6aa3282ff503f263c4.tar.bz2 linux-9935448e207cc9e7e5fd3c6aa3282ff503f263c4.zip | |
Merge tag 'v4.17-rc4' into rproc-next
Pick up fixes from rproc-v4.17-1
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Diffstat (limited to 'sound/drivers/aloop.c')
| -rw-r--r-- | sound/drivers/aloop.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sound/drivers/aloop.c b/sound/drivers/aloop.c index 58e349fc893f..eab7f594ebe7 100644 --- a/sound/drivers/aloop.c +++ b/sound/drivers/aloop.c @@ -831,9 +831,11 @@ static int loopback_rate_shift_get(struct snd_kcontrol *kcontrol, { struct loopback *loopback = snd_kcontrol_chip(kcontrol); + mutex_lock(&loopback->cable_lock); ucontrol->value.integer.value[0] = loopback->setup[kcontrol->id.subdevice] [kcontrol->id.device].rate_shift; + mutex_unlock(&loopback->cable_lock); return 0; } @@ -865,9 +867,11 @@ static int loopback_notify_get(struct snd_kcontrol *kcontrol, { struct loopback *loopback = snd_kcontrol_chip(kcontrol); + mutex_lock(&loopback->cable_lock); ucontrol->value.integer.value[0] = loopback->setup[kcontrol->id.subdevice] [kcontrol->id.device].notify; + mutex_unlock(&loopback->cable_lock); return 0; } @@ -879,12 +883,14 @@ static int loopback_notify_put(struct snd_kcontrol *kcontrol, int change = 0; val = ucontrol->value.integer.value[0] ? 1 : 0; + mutex_lock(&loopback->cable_lock); if (val != loopback->setup[kcontrol->id.subdevice] [kcontrol->id.device].notify) { loopback->setup[kcontrol->id.subdevice] [kcontrol->id.device].notify = val; change = 1; } + mutex_unlock(&loopback->cable_lock); return change; } @@ -892,15 +898,18 @@ static int loopback_active_get(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { struct loopback *loopback = snd_kcontrol_chip(kcontrol); - struct loopback_cable *cable = loopback->cables - [kcontrol->id.subdevice][kcontrol->id.device ^ 1]; + struct loopback_cable *cable; + unsigned int val = 0; + mutex_lock(&loopback->cable_lock); + cable = loopback->cables[kcontrol->id.subdevice][kcontrol->id.device ^ 1]; if (cable != NULL) { unsigned int running = cable->running ^ cable->pause; val = (running & (1 << SNDRV_PCM_STREAM_PLAYBACK)) ? 1 : 0; } + mutex_unlock(&loopback->cable_lock); ucontrol->value.integer.value[0] = val; return 0; } @@ -943,9 +952,11 @@ static int loopback_rate_get(struct snd_kcontrol *kcontrol, { struct loopback *loopback = snd_kcontrol_chip(kcontrol); + mutex_lock(&loopback->cable_lock); ucontrol->value.integer.value[0] = loopback->setup[kcontrol->id.subdevice] [kcontrol->id.device].rate; + mutex_unlock(&loopback->cable_lock); return 0; } @@ -965,9 +976,11 @@ static int loopback_channels_get(struct snd_kcontrol *kcontrol, { struct loopback *loopback = snd_kcontrol_chip(kcontrol); + mutex_lock(&loopback->cable_lock); ucontrol->value.integer.value[0] = loopback->setup[kcontrol->id.subdevice] [kcontrol->id.device].channels; + mutex_unlock(&loopback->cable_lock); return 0; } |