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ALSA: hda - Check "beep" hint

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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>
This commit is contained in:
Takashi Iwai
2009-06-29 08:34:06 +02:00
parent 28d0325ce6
commit b7b51141b4
1 changed files with 4 additions and 0 deletions
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4
sound/pci/hda/hda_beep.c
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@@ -24,6 +24,7 @@
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <sound/core.h> #include <sound/core.h>
#include "hda_beep.h" #include "hda_beep.h"
#include "hda_local.h"
enum { enum {
DIGBEEP_HZ_STEP = 46875, /* 46.875 Hz */ 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; struct hda_beep *beep;
int err; int err;
if (!snd_hda_get_bool_hint(codec, "beep"))
return 0; /* disabled explicitly */
beep = kzalloc(sizeof(*beep), GFP_KERNEL); beep = kzalloc(sizeof(*beep), GFP_KERNEL);
if (beep == NULL) if (beep == NULL)
return -ENOMEM; return -ENOMEM;