sound: usb-audio: Xonar U1 digital output support
Add support for the Asus Xonar U1. This device is mostly class compliant, but
the digital output requires a vendor-specific request.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/usbmixer.c b/sound/usb/usbmixer.c
index 4bd3a7a..8452697 100644
--- a/sound/usb/usbmixer.c
+++ b/sound/usb/usbmixer.c
@@ -86,6 +86,7 @@
u8 rc_buffer[6];
u8 audigy2nx_leds[3];
+ u8 xonar_u1_status;
};
@@ -2018,6 +2019,58 @@
}
}
+static int snd_xonar_u1_switch_get(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+
+ ucontrol->value.integer.value[0] = !!(mixer->xonar_u1_status & 0x02);
+ return 0;
+}
+
+static int snd_xonar_u1_switch_put(struct snd_kcontrol *kcontrol,
+ struct snd_ctl_elem_value *ucontrol)
+{
+ struct usb_mixer_interface *mixer = snd_kcontrol_chip(kcontrol);
+ u8 old_status, new_status;
+ int err, changed;
+
+ old_status = mixer->xonar_u1_status;
+ if (ucontrol->value.integer.value[0])
+ new_status = old_status | 0x02;
+ else
+ new_status = old_status & ~0x02;
+ changed = new_status != old_status;
+ err = snd_usb_ctl_msg(mixer->chip->dev,
+ usb_sndctrlpipe(mixer->chip->dev, 0), 0x08,
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_OTHER,
+ 50, 0, &new_status, 1, 100);
+ if (err < 0)
+ return err;
+ mixer->xonar_u1_status = new_status;
+ return changed;
+}
+
+static struct snd_kcontrol_new snd_xonar_u1_output_switch = {
+ .iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+ .name = "Digital Playback Switch",
+ .info = snd_ctl_boolean_mono_info,
+ .get = snd_xonar_u1_switch_get,
+ .put = snd_xonar_u1_switch_put,
+};
+
+static int snd_xonar_u1_controls_create(struct usb_mixer_interface *mixer)
+{
+ int err;
+
+ err = snd_ctl_add(mixer->chip->card,
+ snd_ctl_new1(&snd_xonar_u1_output_switch, mixer));
+ if (err < 0)
+ return err;
+ mixer->xonar_u1_status = 0x05;
+ return 0;
+}
+
int snd_usb_create_mixer(struct snd_usb_audio *chip, int ctrlif,
int ignore_error)
{
@@ -2060,6 +2113,13 @@
snd_audigy2nx_proc_read);
}
+ if (mixer->chip->usb_id == USB_ID(0x0b05, 0x1739) ||
+ mixer->chip->usb_id == USB_ID(0x0b05, 0x1743)) {
+ err = snd_xonar_u1_controls_create(mixer);
+ if (err < 0)
+ goto _error;
+ }
+
err = snd_device_new(chip->card, SNDRV_DEV_LOWLEVEL, mixer, &dev_ops);
if (err < 0)
goto _error;