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authorFelix Homann <linuxaudio@showlabor.de>2012-04-23 20:24:24 +0200
committerTakashi Iwai <tiwai@suse.de>2012-04-24 08:01:27 +0200
commit285de9c08b07af8f2c1ab263705952672b3cf46c (patch)
treed622acfecec3e42daa16c6e187ffbd9936629434 /sound/usb
parent8a4d1d397b37f5aab1f830c0c7ca1fcdebf7ad9e (diff)
ALSA: usb-audio: Rename and export mixer_vol_tlv
Rename mixer_vol_tlv to snd_usb_mixer_vol_tlv and export it to make it reuseable in mixer_quirks.c. Signed-off-by: Felix Homann <linuxaudio@showlabor.de> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb')
-rw-r--r--sound/usb/mixer.c4
-rw-r--r--sound/usb/mixer.h3
2 files changed, 5 insertions, 2 deletions
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index c374c7242ab..bb56f5353fe 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -486,7 +486,7 @@ static int set_cur_mix_value(struct usb_mixer_elem_info *cval, int channel,
/*
* TLV callback for mixer volume controls
*/
-static int mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
unsigned int size, unsigned int __user *_tlv)
{
struct usb_mixer_elem_info *cval = kcontrol->private_data;
@@ -1158,7 +1158,7 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
if (control == UAC_FU_VOLUME) {
check_mapped_dB(map, cval);
if (cval->dBmin < cval->dBmax || !cval->initialized) {
- kctl->tlv.c = mixer_vol_tlv;
+ kctl->tlv.c = snd_usb_mixer_vol_tlv;
kctl->vd[0].access |=
SNDRV_CTL_ELEM_ACCESS_TLV_READ |
SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
diff --git a/sound/usb/mixer.h b/sound/usb/mixer.h
index 81b2d8a32fb..a7f3d45a8ac 100644
--- a/sound/usb/mixer.h
+++ b/sound/usb/mixer.h
@@ -68,4 +68,7 @@ int snd_usb_mixer_activate(struct usb_mixer_interface *mixer);
int snd_usb_mixer_add_control(struct usb_mixer_interface *mixer,
struct snd_kcontrol *kctl);
+int snd_usb_mixer_vol_tlv(struct snd_kcontrol *kcontrol, int op_flag,
+ unsigned int size, unsigned int __user *_tlv);
+
#endif /* __USBMIXER_H */