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authorPaul S McSpadden <fisch602@gmail.com>2014-08-03 17:47:36 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-09-05 16:34:13 -0700
commit77f994024840b31bc5a8b93582756cf56d4fa1ee (patch)
tree5a36fbe7230e34e825729353a9bac85ed534b94a /sound
parent839772d70f7455c2b7bd1f55dfad72fe4020fddb (diff)
ALSA: usb-audio: Adjust Gamecom 780 volume level
commit 542baf94ec3c5526955b4c9fd899c7f30fae4ebe upstream. Original patch fixed the original problem, but the sound was far too low for most users. This patch references a compare matrix to allow the volume levels to act normally. I personally tested this patch myself, and volume levels returned to normal. Please see this discussion for more details: https://bugzilla.kernel.org/show_bug.cgi?id=65251 Signed-off-by: Paul S McSpadden <fisch602@gmail.com> Signed-off-by: Takashi Iwai <tiwai@suse.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'sound')
-rw-r--r--sound/usb/quirks.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 89730707614c..c64a3d96db22 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -666,7 +666,7 @@ static int snd_usb_gamecon780_boot_quirk(struct usb_device *dev)
/* set the initial volume and don't change; other values are either
* too loud or silent due to firmware bug (bko#65251)
*/
- u8 buf[2] = { 0x74, 0xdc };
+ u8 buf[2] = { 0x74, 0xe3 };
return snd_usb_ctl_msg(dev, usb_sndctrlpipe(dev, 0), UAC_SET_CUR,
USB_RECIP_INTERFACE | USB_TYPE_CLASS | USB_DIR_OUT,
UAC_FU_VOLUME << 8, 9 << 8, buf, 2);