[alsa-devel] [PATCH 2/2] ALSA: hda - Use analog beep for Thinkpads with AD1984 codecs

[Takashi Iwai]

For making the driver behavior compatible with the earlier kernels,
use the analog beep in the loopback path instead of the digital beep.

Cc: <stable at vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai at suse.de>
---
 sound/pci/hda/patch_analog.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/sound/pci/hda/patch_analog.c b/sound/pci/hda/patch_analog.c
index 498971095869..8ed0bcc01386 100644
--- a/sound/pci/hda/patch_analog.c
+++ b/sound/pci/hda/patch_analog.c
@@ -1026,6 +1026,9 @@ static void ad1884_fixup_thinkpad(struct hda_codec *codec,
 		spec->gen.keep_eapd_on = 1;
 		spec->gen.vmaster_mute.hook = ad_vmaster_eapd_hook;
 		spec->eapd_nid = 0x12;
+		/* Analog PC Beeper - allow firmware/ACPI beeps */
+		spec->beep_amp = HDA_COMPOSE_AMP_VAL(0x20, 3, 3, HDA_INPUT);
+		spec->gen.beep_nid = 0; /* no digital beep */
 	}
 }
 
-- 
1.9.0