ALSA: hda - Check "beep" hint

Check the hint "beep" in snd_hda_attach_beep_device() to avoid the beep
device creation if user doesn't want.

Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 4 insertions, 0 deletions

diff --git a/sound/pci/hda/hda_beep.c b/sound/pci/hda/hda_beep.c
index 29272f2e95a0..08fe6592ad44 100644
--- a/sound/pci/hda/hda_beep.c
+++ b/sound/pci/hda/hda_beep.c
@@ -24,6 +24,7 @@
 #include <linux/workqueue.h>
 #include <sound/core.h>
 #include "hda_beep.h"
+#include "hda_local.h"
 
 enum {
         DIGBEEP_HZ_STEP = 46875,        /* 46.875 Hz */
@@ -115,6 +116,9 @@ int snd_hda_attach_beep_device(struct hda_codec *codec, int nid)
         struct hda_beep *beep;
         int err;
 
+        if (!snd_hda_get_bool_hint(codec, "beep"))
+                return 0; /* disabled explicitly */
+
         beep = kzalloc(sizeof(*beep), GFP_KERNEL);
         if (beep == NULL)
                 return -ENOMEM;