Use the standard snd_ctl_activate_id() helper instead of an open code for code simplification.
Cc: Lars-Peter Clausen lars@metafoo.de Cc: "Nuno Sá" nuno.sa@analog.com Cc: Mark Brown broonie@kernel.org Signed-off-by: Takashi Iwai tiwai@suse.de --- sound/soc/codecs/sigmadsp.c | 25 ++++--------------------- 1 file changed, 4 insertions(+), 21 deletions(-)
diff --git a/sound/soc/codecs/sigmadsp.c b/sound/soc/codecs/sigmadsp.c index 3047a6fbb380..b93c078a8040 100644 --- a/sound/soc/codecs/sigmadsp.c +++ b/sound/soc/codecs/sigmadsp.c @@ -669,36 +669,19 @@ static void sigmadsp_activate_ctrl(struct sigmadsp *sigmadsp, struct sigmadsp_control *ctrl, unsigned int samplerate_mask) { struct snd_card *card = sigmadsp->component->card->snd_card; - struct snd_kcontrol_volatile *vd; - struct snd_ctl_elem_id id; bool active; - bool changed = false; + int changed;
active = sigmadsp_samplerate_valid(ctrl->samplerates, samplerate_mask); - - down_write(&card->controls_rwsem); - if (!ctrl->kcontrol) { - up_write(&card->controls_rwsem); + if (!ctrl->kcontrol) return; - } - - id = ctrl->kcontrol->id; - vd = &ctrl->kcontrol->vd[0]; - if (active == (bool)(vd->access & SNDRV_CTL_ELEM_ACCESS_INACTIVE)) { - vd->access ^= SNDRV_CTL_ELEM_ACCESS_INACTIVE; - changed = true; - } - up_write(&card->controls_rwsem); - - if (active && changed) { + changed = snd_ctl_activate_id(card, &ctrl->kcontrol->id, active); + if (active && changed > 0) { mutex_lock(&sigmadsp->lock); if (ctrl->cached) sigmadsp_ctrl_write(sigmadsp, ctrl, ctrl->cache); mutex_unlock(&sigmadsp->lock); } - - if (changed) - snd_ctl_notify(card, SNDRV_CTL_EVENT_MASK_INFO, &id); }
/**