Commit 171c9830 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: ice1712: Simplify with snd_ctl_find_id_mixer()

Replace an open code with the new snd_ctl_find_id_mixer().
There is no functional change.

Also, add the missing NULL checks in psc724_set_jack_state() to deal
with error cases.

Link: https://lore.kernel.org/r/20230720082108.31346-7-tiwai@suse.de


Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 5f2a937b
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+2 −11
Original line number Diff line number Diff line
@@ -408,22 +408,13 @@ static const char * const follower_vols[] = {
static
DECLARE_TLV_DB_SCALE(juli_master_db_scale, -6350, 50, 1);

static struct snd_kcontrol *ctl_find(struct snd_card *card,
				     const char *name)
{
	struct snd_ctl_elem_id sid = {0};

	strscpy(sid.name, name, sizeof(sid.name));
	sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	return snd_ctl_find_id(card, &sid);
}

static void add_followers(struct snd_card *card,
			  struct snd_kcontrol *master,
			  const char * const *list)
{
	for (; *list; list++) {
		struct snd_kcontrol *follower = ctl_find(card, *list);
		struct snd_kcontrol *follower =
			snd_ctl_find_id_mixer(card, *list);
		/* dev_dbg(card->dev, "add_followers - %s\n", *list); */
		if (follower) {
			/* dev_dbg(card->dev, "follower %s found\n", *list); */
+8 −11
Original line number Diff line number Diff line
@@ -177,7 +177,6 @@ static bool psc724_get_master_switch(struct snd_ice1712 *ice)
static void psc724_set_jack_state(struct snd_ice1712 *ice, bool hp_connected)
{
	struct psc724_spec *spec = ice->spec;
	struct snd_ctl_elem_id elem_id;
	struct snd_kcontrol *kctl;
	u16 power = spec->wm8776.regs[WM8776_REG_PWRDOWN] & ~WM8776_PWR_HPPD;

@@ -187,16 +186,14 @@ static void psc724_set_jack_state(struct snd_ice1712 *ice, bool hp_connected)
	snd_wm8776_set_power(&spec->wm8776, power);
	spec->hp_connected = hp_connected;
	/* notify about master speaker mute change */
	memset(&elem_id, 0, sizeof(elem_id));
	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	strscpy(elem_id.name, "Master Speakers Playback Switch",
						sizeof(elem_id.name));
	kctl = snd_ctl_find_id(ice->card, &elem_id);
	kctl = snd_ctl_find_id_mixer(ice->card,
				     "Master Speakers Playback Switch");
	if (kctl)
		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
	/* and headphone mute change */
	strscpy(elem_id.name, spec->wm8776.ctl[WM8776_CTL_HP_SW].name,
						sizeof(elem_id.name));
	kctl = snd_ctl_find_id(ice->card, &elem_id);
	kctl = snd_ctl_find_id_mixer(ice->card,
				     spec->wm8776.ctl[WM8776_CTL_HP_SW].name);
	if (kctl)
		snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->id);
}

+2 −11
Original line number Diff line number Diff line
@@ -766,21 +766,12 @@ static const char * const follower_vols[] = {
static
DECLARE_TLV_DB_SCALE(qtet_master_db_scale, -6350, 50, 1);

static struct snd_kcontrol *ctl_find(struct snd_card *card,
				     const char *name)
{
	struct snd_ctl_elem_id sid = {0};

	strscpy(sid.name, name, sizeof(sid.name));
	sid.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	return snd_ctl_find_id(card, &sid);
}

static void add_followers(struct snd_card *card,
			  struct snd_kcontrol *master, const char * const *list)
{
	for (; *list; list++) {
		struct snd_kcontrol *follower = ctl_find(card, *list);
		struct snd_kcontrol *follower =
			snd_ctl_find_id_mixer(card, *list);
		if (follower)
			snd_ctl_add_follower(master, follower);
	}
+1 −5
Original line number Diff line number Diff line
@@ -34,13 +34,9 @@ static void snd_wm8776_activate_ctl(struct snd_wm8776 *wm,
	struct snd_card *card = wm->card;
	struct snd_kcontrol *kctl;
	struct snd_kcontrol_volatile *vd;
	struct snd_ctl_elem_id elem_id;
	unsigned int index_offset;

	memset(&elem_id, 0, sizeof(elem_id));
	strscpy(elem_id.name, ctl_name, sizeof(elem_id.name));
	elem_id.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
	kctl = snd_ctl_find_id(card, &elem_id);
	kctl = snd_ctl_find_id_mixer(card, ctl_name);
	if (!kctl)
		return;
	index_offset = snd_ctl_get_ioff(kctl, &kctl->id);