linux-kernel - [PATCH 5.14.y 2/2] ALSA: usb-audio: Add Audient iD14 to mixer map quirk table

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Date:   Thu,  4 Nov 2021 12:23:09 +0100
From:   Takashi Iwai <tiwai@...e.de>
To:     stable@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH 5.14.y 2/2] ALSA: usb-audio: Add Audient iD14 to mixer map quirk table

commit df0380b9539b04c1ae8854a984098da06d5f1e67 upstream.

This is a fix equivalent with the upstream commit df0380b9539b ("ALSA:
usb-audio: Add quirk for Audient iD14"), adapted to the earlier
kernels up to 5.14.y.  It adds the quirk entry with the old
ignore_ctl_error flag to the usbmix_ctl_maps, instead.

The original commit description says:
    Audient iD14 (2708:0002) may get a control message error that
    interferes the operation e.g. with alsactl.  Add the quirk to ignore
    such errors like other devices.

Signed-off-by: Takashi Iwai <tiwai@...e.de>
---
 sound/usb/mixer_maps.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 809ac6d18d2b..8f6823df944f 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -528,6 +528,10 @@ static const struct usbmix_ctl_map usbmix_ctl_maps[] = {
 		.id = USB_ID(0x2573, 0x0008),
 		.map = maya44_map,
 	},
+	{
+		.id = USB_ID(0x2708, 0x0002), /* Audient iD14 */
+		.ignore_ctl_error = 1,
+	},
 	{
 		/* KEF X300A */
 		.id = USB_ID(0x27ac, 0x1000),
-- 
2.31.1