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| author | Clemens Ladisch <clemens@ladisch.de> | 2011-01-10 16:30:13 +0100 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2011-01-10 16:47:07 +0100 |
| commit | 2a1803a7291e82823effef0b48b0039324d224c6 (patch) | |
| tree | aef83bacecd977821c94466fa38ced959343c6d4 /sound/usb/mixer.c | |
| parent | bed6896d0be1de12eb6237a43a4beaaf7dcfb42c (diff) | |
| download | op-kernel-dev-2a1803a7291e82823effef0b48b0039324d224c6.zip op-kernel-dev-2a1803a7291e82823effef0b48b0039324d224c6.tar.gz | |
ALSA: usb-audio: use enum control info helper
Simplify info callbacks by using the snd_ctl_enum_info() helper function.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer.c')
| -rw-r--r-- | sound/usb/mixer.c | 11 |
1 files changed, 2 insertions, 9 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c index f2d74d6..7df89b3 100644 --- a/sound/usb/mixer.c +++ b/sound/usb/mixer.c @@ -1633,18 +1633,11 @@ static int parse_audio_extension_unit(struct mixer_build *state, int unitid, voi static int mixer_ctl_selector_info(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_info *uinfo) { struct usb_mixer_elem_info *cval = kcontrol->private_data; - char **itemlist = (char **)kcontrol->private_value; + const char **itemlist = (const char **)kcontrol->private_value; if (snd_BUG_ON(!itemlist)) return -EINVAL; - uinfo->type = SNDRV_CTL_ELEM_TYPE_ENUMERATED; - uinfo->count = 1; - uinfo->value.enumerated.items = cval->max; - if (uinfo->value.enumerated.item >= cval->max) - uinfo->value.enumerated.item = cval->max - 1; - strlcpy(uinfo->value.enumerated.name, itemlist[uinfo->value.enumerated.item], - sizeof(uinfo->value.enumerated.name)); - return 0; + return snd_ctl_enum_info(uinfo, 1, cval->max, itemlist); } /* get callback for selector unit */ |
