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ALSA: ice1712: Simplify with snd_ctl_find_id_mixer()

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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: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2023-07-20 10:21:03 +02:00
parent 5f2a937bd1
commit 171c983027
4 changed files with 13 additions and 38 deletions
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13
sound/pci/ice1712/juli.c
View File

@ -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); */

19
sound/pci/ice1712/psc724.c
View File

@ -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;
@ -187,17 +186,15 @@ 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);
snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->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);
snd_ctl_notify(ice->card, SNDRV_CTL_EVENT_MASK_VALUE, &kctl->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);
}
static void psc724_update_hp_jack_state(struct work_struct *work)

13
sound/pci/ice1712/quartet.c
View File

@ -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);
}

6
sound/pci/ice1712/wm8776.c
View File

@ -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);