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Subject[PATCH 4.19 35/71] ALSA: usb-audio: Add implicit feedback quirk for MODX
Date
From: Geoffrey D. Bennett <g@b4.vu>

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>

---
sound/usb/pcm.c | 1 +
1 file changed, 1 insertion(+)

--- a/sound/usb/pcm.c
+++ b/sound/usb/pcm.c
@@ -344,6 +344,7 @@ 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;

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