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>
This commit is contained in:
parent
09b70e8509
commit
bc759721fb
|
@ -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
|
||||
|
|
|
@ -618,6 +618,7 @@ static inline int snd_hda_hwdep_add_sysfs(struct hda_codec *codec)
|
|||
#ifdef CONFIG_SND_HDA_RECONFIG
|
||||
const char *snd_hda_get_hint(struct hda_codec *codec, const char *key);
|
||||
int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key);
|
||||
int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp);
|
||||
#else
|
||||
static inline
|
||||
const char *snd_hda_get_hint(struct hda_codec *codec, const char *key)
|
||||
|
@ -630,6 +631,12 @@ int snd_hda_get_bool_hint(struct hda_codec *codec, const char *key)
|
|||
{
|
||||
return -ENOENT;
|
||||
}
|
||||
|
||||
static inline
|
||||
int snd_hda_get_int_hint(struct hda_codec *codec, const char *key, int *valp)
|
||||
{
|
||||
return -ENOENT;
|
||||
}
|
||||
#endif
|
||||
|
||||
/*
|
||||
|
|
|
@ -4295,24 +4295,10 @@ static void stac92xx_power_down(struct hda_codec *codec)
|
|||
static void stac_toggle_power_map(struct hda_codec *codec, hda_nid_t nid,
|
||||
int enable);
|
||||
|
||||
static inline int get_int_hint(struct hda_codec *codec, const char *key,
|
||||
int *valp)
|
||||
static inline bool get_int_hint(struct hda_codec *codec, const char *key,
|
||||
int *valp)
|
||||
{
|
||||
#ifdef CONFIG_SND_HDA_RECONFIG
|
||||
const char *p;
|
||||
mutex_lock(&codec->user_mutex);
|
||||
p = snd_hda_get_hint(codec, key);
|
||||
if (p) {
|
||||
unsigned long val;
|
||||
if (!strict_strtoul(p, 0, &val)) {
|
||||
*valp = val;
|
||||
mutex_unlock(&codec->user_mutex);
|
||||
return 1;
|
||||
}
|
||||
}
|
||||
mutex_unlock(&codec->user_mutex);
|
||||
#endif
|
||||
return 0;
|
||||
return !snd_hda_get_int_hint(codec, key, valp);
|
||||
}
|
||||
|
||||
/* override some hints from the hwdep entry */
|
||||
|
|
Loading…
Reference in a new issue