ALSA: hda - rename dell_led_set_func to dell_micmute_led_set_func

With dell_app_wmi_led_set() replaced by dell_micmute_led_set(), rename
the function pointer to the latter for consistency.
Signed-off-by: Michał Kępień <kernel@kempniu.pl>
Tested-by: Alex Hung <alex.hung@canonical.com>
Reviewed-by: Pali Rohár <pali.rohar@gmail.com>
Acked-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>

sound/pci/hda/dell_wmi_helper.c

@@ -6,7 +6,7 @@
 #include <linux/dell-led.h>
 
 static int dell_led_value;
-static int (*dell_led_set_func)(int);
+static int (*dell_micmute_led_set_func)(int);
 static void (*dell_old_cap_hook)(struct hda_codec *,
 			         struct snd_kcontrol *,
 				 struct snd_ctl_elem_value *);
@@ -18,7 +18,7 @@ static void update_dell_wmi_micmute_led(struct hda_codec *codec,
 	if (dell_old_cap_hook)
 		dell_old_cap_hook(codec, kcontrol, ucontrol);
 
-	if (!ucontrol || !dell_led_set_func)
+	if (!ucontrol || !dell_micmute_led_set_func)
 		return;
 	if (strcmp("Capture Switch", ucontrol->id.name) == 0 && ucontrol->id.index == 0) {
 		/* TODO: How do I verify if it's a mono or stereo here? */
@@ -26,8 +26,8 @@ static void update_dell_wmi_micmute_led(struct hda_codec *codec,
 		if (val == dell_led_value)
 			return;
 		dell_led_value = val;
-		if (dell_led_set_func)
-			dell_led_set_func(dell_led_value);
+		if (dell_micmute_led_set_func)
+			dell_micmute_led_set_func(dell_led_value);
 	}
 }
 
@@ -39,15 +39,15 @@ static void alc_fixup_dell_wmi(struct hda_codec *codec,
 	bool removefunc = false;
 
 	if (action == HDA_FIXUP_ACT_PROBE) {
-		if (!dell_led_set_func)
-			dell_led_set_func = symbol_request(dell_micmute_led_set);
-		if (!dell_led_set_func) {
+		if (!dell_micmute_led_set_func)
+			dell_micmute_led_set_func = symbol_request(dell_micmute_led_set);
+		if (!dell_micmute_led_set_func) {
 			codec_warn(codec, "Failed to find dell wmi symbol dell_micmute_led_set\n");
 			return;
 		}
 
 		removefunc = true;
-		if (dell_led_set_func(false) >= 0) {
+		if (dell_micmute_led_set_func(false) >= 0) {
 			dell_led_value = 0;
 			if (spec->gen.num_adc_nids > 1 && !spec->gen.dyn_adc_switch)
 				codec_dbg(codec, "Skipping micmute LED control due to several ADCs");
@@ -60,9 +60,9 @@ static void alc_fixup_dell_wmi(struct hda_codec *codec,
 
 	}
 
-	if (dell_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
+	if (dell_micmute_led_set_func && (action == HDA_FIXUP_ACT_FREE || removefunc)) {
 		symbol_put(dell_micmute_led_set);
-		dell_led_set_func = NULL;
+		dell_micmute_led_set_func = NULL;
 		dell_old_cap_hook = NULL;
 	}
 }