diff options
Diffstat (limited to 'sound/soc/codecs/wm_adsp.c')
| -rw-r--r-- | sound/soc/codecs/wm_adsp.c | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/sound/soc/codecs/wm_adsp.c b/sound/soc/codecs/wm_adsp.c index 3a314f2a3f61..b083642718f0 100644 --- a/sound/soc/codecs/wm_adsp.c +++ b/sound/soc/codecs/wm_adsp.c @@ -597,14 +597,19 @@ static int wm_coeff_put(struct snd_kcontrol *kctl, { struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value; char *p = ucontrol->value.bytes.data; + int ret = 0; + + mutex_lock(&ctl->dsp->pwr_lock); memcpy(ctl->cache, p, ctl->len); ctl->set = 1; - if (!ctl->enabled) - return 0; + if (ctl->enabled) + ret = wm_coeff_write_control(ctl, p, ctl->len); - return wm_coeff_write_control(ctl, p, ctl->len); + mutex_unlock(&ctl->dsp->pwr_lock); + + return ret; } static int wm_coeff_read_control(struct wm_coeff_ctl *ctl, @@ -651,17 +656,22 @@ static int wm_coeff_get(struct snd_kcontrol *kctl, { struct wm_coeff_ctl *ctl = (struct wm_coeff_ctl *)kctl->private_value; char *p = ucontrol->value.bytes.data; + int ret = 0; + + mutex_lock(&ctl->dsp->pwr_lock); if (ctl->flags & WMFW_CTL_FLAG_VOLATILE) { if (ctl->enabled) - return wm_coeff_read_control(ctl, p, ctl->len); + ret = wm_coeff_read_control(ctl, p, ctl->len); else - return -EPERM; + ret = -EPERM; + } else { + memcpy(p, ctl->cache, ctl->len); } - memcpy(p, ctl->cache, ctl->len); + mutex_unlock(&ctl->dsp->pwr_lock); - return 0; + return ret; } struct wmfw_ctl_work { |