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authorTorsten Schenk <torsten.schenk@zoho.com>2012-02-22 18:21:23 +0400
committerTakashi Iwai <tiwai@suse.de>2012-02-22 18:51:16 +0400
commitd97c735a1047fa06165e55da32154cf0e6b9419c (patch)
tree859d77d248e5d15442dd7282be51dc522a1ad74b /sound/usb/6fire/control.c
parentf90ffbf3c68a69714b4273b203d4deb5ae81d8d6 (diff)
downloadlinux-d97c735a1047fa06165e55da32154cf0e6b9419c.tar.xz
ALSA: snd-usb-6fire: add mute control for analog outputs
Add a mute control for every analog output channel. Signed-off-by: Torsten Schenk <torsten.schenk@zoho.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/6fire/control.c')
-rw-r--r--sound/usb/6fire/control.c95
1 files changed, 95 insertions, 0 deletions
diff --git a/sound/usb/6fire/control.c b/sound/usb/6fire/control.c
index c22cc29e33d7..a2bbf48c6413 100644
--- a/sound/usb/6fire/control.c
+++ b/sound/usb/6fire/control.c
@@ -74,6 +74,14 @@ static void usb6fire_control_output_vol_update(struct control_runtime *rt)
}
}
+static void usb6fire_control_output_mute_update(struct control_runtime *rt)
+{
+ struct comm_runtime *comm_rt = rt->chip->comm;
+
+ if (comm_rt)
+ comm_rt->write8(comm_rt, 0x12, 0x0e, ~rt->output_mute);
+}
+
static void usb6fire_control_line_phono_update(struct control_runtime *rt)
{
struct comm_runtime *comm_rt = rt->chip->comm;
@@ -208,6 +216,51 @@ static int usb6fire_control_output_vol_get(struct snd_kcontrol *kcontrol,
return 0;
}
+static int usb6fire_control_output_mute_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
+ unsigned int ch = kcontrol->private_value;
+ u8 old = rt->output_mute;
+ u8 value = 0;
+
+ if (ch > 4) {
+ snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
+ return -EINVAL;
+ }
+
+ rt->output_mute &= ~(3 << ch);
+ if (ucontrol->value.integer.value[0])
+ value |= 1;
+ if (ucontrol->value.integer.value[1])
+ value |= 2;
+ rt->output_mute |= value << ch;
+
+ if (rt->output_mute != old)
+ usb6fire_control_output_mute_update(rt);
+
+ return rt->output_mute != old;
+}
+
+static int usb6fire_control_output_mute_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct control_runtime *rt = snd_kcontrol_chip(kcontrol);
+ unsigned int ch = kcontrol->private_value;
+ u8 value = rt->output_mute >> ch;
+
+ if (ch > 4) {
+ snd_printk(KERN_ERR PREFIX "Invalid channel in volume control.");
+ return -EINVAL;
+ }
+
+ ucontrol->value.integer.value[0] = 1 & value;
+ value >>= 1;
+ ucontrol->value.integer.value[1] = 1 & value;
+
+ return 0;
+}
+
static int usb6fire_control_line_phono_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@@ -339,6 +392,40 @@ static struct __devinitdata snd_kcontrol_new vol_elements[] = {
{}
};
+static struct __devinitdata snd_kcontrol_new mute_elements[] = {
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Analog Playback Switch",
+ .index = 0,
+ .private_value = 0,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .info = snd_ctl_boolean_stereo_info,
+ .get = usb6fire_control_output_mute_get,
+ .put = usb6fire_control_output_mute_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Analog Playback Switch",
+ .index = 1,
+ .private_value = 2,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .info = snd_ctl_boolean_stereo_info,
+ .get = usb6fire_control_output_mute_get,
+ .put = usb6fire_control_output_mute_put,
+ },
+ {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Analog Playback Switch",
+ .index = 2,
+ .private_value = 4,
+ .access = SNDRV_CTL_ELEM_ACCESS_READWRITE,
+ .info = snd_ctl_boolean_stereo_info,
+ .get = usb6fire_control_output_mute_get,
+ .put = usb6fire_control_output_mute_put,
+ },
+ {}
+};
+
static struct __devinitdata snd_kcontrol_new elements[] = {
{
.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
@@ -430,13 +517,21 @@ int __devinit usb6fire_control_init(struct sfire_chip *chip)
usb6fire_control_opt_coax_update(rt);
usb6fire_control_line_phono_update(rt);
usb6fire_control_output_vol_update(rt);
+ usb6fire_control_output_mute_update(rt);
usb6fire_control_streaming_update(rt);
ret = usb6fire_control_add_virtual(rt, chip->card,
"Master Playback Volume", vol_elements);
if (ret) {
+ snd_printk(KERN_ERR PREFIX "cannot add control.\n");
kfree(rt);
+ return ret;
+ }
+ ret = usb6fire_control_add_virtual(rt, chip->card,
+ "Master Playback Switch", mute_elements);
+ if (ret) {
snd_printk(KERN_ERR PREFIX "cannot add control.\n");
+ kfree(rt);
return ret;
}