ALSA: usb-audio: Disable quirks for BOSS Katana amplifiers

szszoke · tiwai · commit 7571b6a17fcc · 2019-10-17T10:19:05.000+02:00
BOSS Katana amplifiers cannot be used for recording or playback if quirks are applied BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=195223 Signed-off-by: Szabolcs Szőke <szszoke.code@gmail.com> Cc: <stable@vger.kernel.org> Link: https://lore.kernel.org/r/20191011171937.8013-1-szszoke.code@gmail.com Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/usb/pcm.c b/sound/usb/pcm.c
@@ -348,6 +348,9 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,
 		ep = 0x84;
 		ifnum = 0;
 		goto add_sync_ep_from_ifnum;
+	case USB_ID(0x0582, 0x01d8): /* BOSS Katana */
+		/* BOSS Katana amplifiers do not need quirks */
+		return 0;
 	}
 
 	if (attr == USB_ENDPOINT_SYNC_ASYNC &&

Original file line number	Diff line number	Diff line change
`@@ -348,6 +348,9 @@ static int set_sync_ep_implicit_fb_quirk(struct snd_usb_substream *subs,`
`348`	`348`	`ep = 0x84;`
`349`	`349`	`ifnum = 0;`
`350`	`350`	`goto add_sync_ep_from_ifnum;`
	`351`	`+ case USB_ID(0x0582, 0x01d8): /* BOSS Katana */`
	`352`	`+ /* BOSS Katana amplifiers do not need quirks */`
	`353`	`+ return 0;`
`351`	`354`	`}`
`352`	`355`
`353`	`356`	`if (attr == USB_ENDPOINT_SYNC_ASYNC &&`