ALSA: hda - Fix mute-LED fixed mode

The mute-LED mode control has the fixed on/off states that are
supposed to remain on/off regardless of the master switch.  However,
this doesn't work actually because the vmaster hook is called in the
vmaster code itself.

This patch fixes it by calling the hook indirectly after checking the
mute LED mode.

Reported-and-tested-by: Pali Rohár <pali.rohar@gmail.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/pci/hda/hda_codec.c b/sound/pci/hda/hda_codec.c
index 873ed1bce12b694b60be0c4737a16e0feee5abf0..27333e0d8ebe64de3edfc3aa6c621b5296eb9710 100644 (file)
--- a/sound/pci/hda/hda_codec.c
+++ b/sound/pci/hda/hda_codec.c
@@ -2082,6 +2082,16 @@ static struct snd_kcontrol_new vmaster_mute_mode = {
        .put = vmaster_mute_mode_put,
 };
 
+/* meta hook to call each driver's vmaster hook */
+static void vmaster_hook(void *private_data, int enabled)
+{
+       struct hda_vmaster_mute_hook *hook = private_data;
+
+       if (hook->mute_mode != HDA_VMUTE_FOLLOW_MASTER)
+               enabled = hook->mute_mode;
+       hook->hook(hook->codec, enabled);
+}
+
 /**
  * snd_hda_add_vmaster_hook - Add a vmaster hook for mute-LED
  * @codec: the HDA codec
@@ -2100,9 +2110,9 @@ int snd_hda_add_vmaster_hook(struct hda_codec *codec,
 
        if (!hook->hook || !hook->sw_kctl)
                return 0;
-       snd_ctl_add_vmaster_hook(hook->sw_kctl, hook->hook, codec);
        hook->codec = codec;
        hook->mute_mode = HDA_VMUTE_FOLLOW_MASTER;
+       snd_ctl_add_vmaster_hook(hook->sw_kctl, vmaster_hook, hook);
        if (!expose_enum_ctl)
                return 0;
        kctl = snd_ctl_new1(&vmaster_mute_mode, hook);
@@ -2128,14 +2138,7 @@ void snd_hda_sync_vmaster_hook(struct hda_vmaster_mute_hook *hook)
         */
        if (hook->codec->bus->shutdown)
                return;
-       switch (hook->mute_mode) {
-       case HDA_VMUTE_FOLLOW_MASTER:
-               snd_ctl_sync_vmaster_hook(hook->sw_kctl);
-               break;
-       default:
-               hook->hook(hook->codec, hook->mute_mode);
-               break;
-       }
+       snd_ctl_sync_vmaster_hook(hook->sw_kctl);
 }
 EXPORT_SYMBOL_GPL(snd_hda_sync_vmaster_hook);