OSDN Git Service

ALSA: hda - Fix bad EAPD setup for HP machines with AD1984A
authorTakashi Iwai <tiwai@suse.de>
Mon, 2 Dec 2013 12:19:45 +0000 (13:19 +0100)
committerTakashi Iwai <tiwai@suse.de>
Mon, 2 Dec 2013 12:23:39 +0000 (13:23 +0100)
It seems that EAPD on NID 0x16 is the only control over all outputs on
HP machines with AD1984A while turning EAPD on NID 0x12 breaks the
output.  Thus we need to avoid fiddling EAPD on NID.  As a quick
workaround, just set own_eapd_ctrl flag for the wrong EAPD, then
implement finer EAPD controls.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=66321
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/pci/hda/patch_analog.c

index 1a83559..34d86ec 100644 (file)
@@ -962,6 +962,7 @@ static void ad1884_fixup_hp_eapd(struct hda_codec *codec,
        switch (action) {
        case HDA_FIXUP_ACT_PRE_PROBE:
                spec->gen.vmaster_mute.hook = ad1884_vmaster_hp_gpio_hook;
+               spec->gen.own_eapd_ctl = 1;
                snd_hda_sequence_write_cache(codec, gpio_init_verbs);
                break;
        case HDA_FIXUP_ACT_PROBE: