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ALSA: hda: generic: Drop the old mic-mute LED hook 

Now all users of the old snd_hda_gen_add_micmute_led() have been
converted to the new LED-classdev variant, and we can make it local,
and remove the unused hda_gen_spec.micmute_led.update callback field.

Tested-by: Kai-Heng Feng <kai.heng.feng@canonical.com>
Link: https://lore.kernel.org/r/20200618110842.27238-8-tiwai@suse.de
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Iwai 2020-06-18 13:08:36 +02:00
parent 5fc0f69300
commit fe1a162191
2 changed files with 3 additions and 22 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
sound/pci/hda/hda_generic.c
View File

@ -3922,8 +3922,6 @@ static void call_micmute_led_update(struct hda_codec *codec)
if (val == spec->micmute_led.led_value)
return;
spec->micmute_led.led_value = val;
if (spec->micmute_led.update)
spec->micmute_led.update(codec);
ledtrig_audio_set(LED_AUDIO_MICMUTE,
spec->micmute_led.led_value ? LED_ON : LED_OFF);
}
@ -3997,20 +3995,8 @@ static const struct snd_kcontrol_new micmute_led_mode_ctl = {
.put = micmute_led_mode_put,
};
/**
* snd_hda_gen_add_micmute_led - helper for setting up mic mute LED hook
* @codec: the HDA codec
* @hook: the callback for updating LED
*
* Called from the codec drivers for offering the mic mute LED controls.
* When established, it sets up cap_sync_hook and triggers the callback at
* each time when the capture mixer switch changes. The callback is supposed
* to update the LED accordingly.
*
* Returns 0 if the hook is established or a negative error code.
*/
int snd_hda_gen_add_micmute_led(struct hda_codec *codec,
void (*hook)(struct hda_codec *))
/* Set up the capture sync hook for controlling the mic-mute LED */
static int add_micmute_led_hook(struct hda_codec *codec)
{
struct hda_gen_spec *spec = codec->spec;
@ -4018,13 +4004,11 @@ int snd_hda_gen_add_micmute_led(struct hda_codec *codec,
spec->micmute_led.capture = 0;
spec->micmute_led.led_value = 0;
spec->micmute_led.old_hook = spec->cap_sync_hook;
spec->micmute_led.update = hook;
spec->cap_sync_hook = update_micmute_led;
if (!snd_hda_gen_add_kctl(spec, NULL, &micmute_led_mode_ctl))
return -ENOMEM;
return 0;
}
EXPORT_SYMBOL_GPL(snd_hda_gen_add_micmute_led);
/**
* snd_dha_gen_add_micmute_led_cdev - Create a LED classdev and enable as mic-mute LED
@ -4065,7 +4049,7 @@ int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec,
}
}
return snd_hda_gen_add_micmute_led(codec, NULL);
return add_micmute_led_hook(codec);
}
EXPORT_SYMBOL_GPL(snd_hda_gen_add_micmute_led_cdev);
#endif /* CONFIG_SND_HDA_GENERIC_LEDS */

3
sound/pci/hda/hda_generic.h
View File

@ -88,7 +88,6 @@ struct hda_micmute_hook {
unsigned int led_mode;
unsigned int capture;
unsigned int led_value;
void (*update)(struct hda_codec *codec);
void (*old_hook)(struct hda_codec *codec,
struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_value *ucontrol);
@ -355,8 +354,6 @@ unsigned int snd_hda_gen_path_power_filter(struct hda_codec *codec,
void snd_hda_gen_stream_pm(struct hda_codec *codec, hda_nid_t nid, bool on);
int snd_hda_gen_fix_pin_power(struct hda_codec *codec, hda_nid_t pin);
int snd_hda_gen_add_micmute_led(struct hda_codec *codec,
void (*hook)(struct hda_codec *));
int snd_hda_gen_add_micmute_led_cdev(struct hda_codec *codec,
int (*callback)(struct led_classdev *,
enum led_brightness));