Commit df0486a4 authored Nov 04, 2020 by Geoffrey D. Bennett Committed by Greg Kroah-Hartman Nov 10, 2020

ALSA: usb-audio: Add implicit feedback quirk for MODX



commit 26201ddc1373c99b2a67c5774da2f0eecd749b93 upstream.

This patch fixes audio distortion on playback for the Yamaha MODX.

Signed-off-by: Geoffrey D. Bennett <g@b4.vu>
Tested-by: Frank Slotta <frank.slotta@posteo.de>
Cc: <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/20201104120705.GA19126@b4.vu


Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

parent 9a83c225

sound/usb/pcm.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -344,6 +344,7 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
		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;