ALSA: usb-audio: Set correct type for some UAC2 mixer controls.

Changed ctl type for Input Gain Control and Input Gain Pad Control to
USB_MIXER_S16 as per section 5.2.5.7.11-12 in the USB Audio Class 2.0
definition.

Signed-off-by: Johan Rastén <johan@oljud.se>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 8b7e391..6b3acba 100644 (file)
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -809,12 +809,12 @@ static struct usb_feature_control_info audio_feature_info[] = {
        { "Tone Control - Treble",      USB_MIXER_S8 },
        { "Graphic Equalizer",          USB_MIXER_S8 }, /* FIXME: not implemeted yet */
        { "Auto Gain Control",          USB_MIXER_BOOLEAN },
-       { "Delay Control",              USB_MIXER_U16 },
+       { "Delay Control",              USB_MIXER_U16 }, /* FIXME: U32 in UAC2 */
        { "Bass Boost",                 USB_MIXER_BOOLEAN },
        { "Loudness",                   USB_MIXER_BOOLEAN },
        /* UAC2 specific */
-       { "Input Gain Control",         USB_MIXER_U16 },
-       { "Input Gain Pad Control",     USB_MIXER_BOOLEAN },
+       { "Input Gain Control",         USB_MIXER_S16 },
+       { "Input Gain Pad Control",     USB_MIXER_S16 },
        { "Phase Inverter Control",     USB_MIXER_BOOLEAN },
 };