From bc759721fb44bc07e4f82445cc378a9d2724651f Mon Sep 17 00:00:00 2001 From: Takashi Iwai Date: Fri, 11 Jan 2013 17:40:31 +0100 Subject: ALSA: hda - Add snd_hda_get_int_hint() helper function It'll be used in hda_generic.c, too. Signed-off-by: Takashi Iwai --- sound/pci/hda/hda_hwdep.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) (limited to 'sound/pci/hda/hda_hwdep.c') diff --git a/sound/pci/hda/hda_hwdep.c b/sound/pci/hda/hda_hwdep.c index 2dddf7f..ce67608 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 -- cgit v1.1