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authorTakashi Iwai <tiwai@suse.de>2013-01-11 17:40:31 +0100
committerTakashi Iwai <tiwai@suse.de>2013-01-12 08:44:47 +0100
commitbc759721fb44bc07e4f82445cc378a9d2724651f (patch)
tree6f096f37647a91f4cb5f6c4ceed9d07e08822682 /sound/pci/hda/hda_hwdep.c
parent09b70e8509862debff5a033052f8adbd7402fa4e (diff)
ALSA: hda - Add snd_hda_get_int_hint() helper function
It'll be used in hda_generic.c, too. Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/pci/hda/hda_hwdep.c')
-rw-r--r--sound/pci/hda/hda_hwdep.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c
index 2dddf7fbebcc..ce67608734b5 100644
--- a/sound/pci/hda/hda_hwdep.c
+++ b/sound/pci/hda/hda_hwdep.c
@@ -644,6 +644,26 @@ int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
}
EXPORT_SYMBOL_HDA(snd_hda_get_bool_hint);
+int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
+{
+ const char *p;
+ unsigned long val;
+ int ret;
+
+ mutex_lock(&codec->user_mutex);
+ p = snd_hda_get_hint(codec, key);
+ if (!p)
+ ret = -ENOENT;
+ else if (strict_strtoul(p, 0, &val))
+ ret = -EINVAL;
+ else {
+ *valp = val;
+ ret = 0;
+ }
+ mutex_unlock(&codec->user_mutex);
+ return ret;
+}
+EXPORT_SYMBOL_HDA(snd_hda_get_int_hint);
#endif /* CONFIG_SND_HDA_RECONFIG */
#ifdef CONFIG_SND_HDA_PATCH_LOADER