From: Geoffrey D. Bennett <g@xxxxx> commit 26201ddc1373c99b2a67c5774da2f0eecd749b93 upstream. This patch fixes audio distortion on playback for the Yamaha MODX. Signed-off-by: Geoffrey D. Bennett <g@xxxxx> Tested-by: Frank Slotta <frank.slotta@xxxxxxxxx> Cc: <stable@xxxxxxxxxxxxxxx> Link: https://lore.kernel.org/r/20201104120705.GA19126@xxxxx Signed-off-by: Takashi Iwai <tiwai@xxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- sound/usb/pcm.c | 1 + 1 file changed, 1 insertion(+) --- a/sound/usb/pcm.c +++ b/sound/usb/pcm.c @@ -346,6 +346,7 @@ static int set_sync_ep_implicit_fb_quirk ifnum = 2; goto add_sync_ep_from_ifnum; case USB_ID(0x2466, 0x8003): /* Fractal Audio Axe-Fx II */ + case USB_ID(0x0499, 0x172a): /* Yamaha MODX */ ep = 0x86; ifnum = 2; goto add_sync_ep_from_ifnum;
