linux-kernel - [PATCH] ALSA: usb-audio: Don't get sample rate for MCT Trigger 5 USB-to-HDMI

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Date:   Tue,  3 May 2022 19:24:44 -0500
From:   Forest Crossman <cyrozap@...il.com>
To:     perex@...ex.cz, tiwai@...e.com
Cc:     Forest Crossman <cyrozap@...il.com>, alsa-devel@...a-project.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: usb-audio: Don't get sample rate for MCT Trigger 5 USB-to-HDMI

This device doesn't support reading the sample rate, so we need to apply
this quirk to avoid a 15-second delay waiting for three timeouts.

Signed-off-by: Forest Crossman <cyrozap@...il.com>
---
 sound/usb/quirks.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index ab9f3da49941..fbbe59054c3f 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -1822,6 +1822,8 @@ static const struct usb_audio_quirk_flags_table quirk_flags_table[] = {
 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
 	DEVICE_FLG(0x06f8, 0xd002, /* Hercules DJ Console (Macintosh Edition) */
 		   QUIRK_FLAG_IGNORE_CTL_ERROR),
+	DEVICE_FLG(0x0711, 0x5800, /* MCT Trigger 5 USB-to-HDMI */
+		   QUIRK_FLAG_GET_SAMPLE_RATE),
 	DEVICE_FLG(0x074d, 0x3553, /* Outlaw RR2150 (Micronas UAC3553B) */
 		   QUIRK_FLAG_GET_SAMPLE_RATE),
 	DEVICE_FLG(0x08bb, 0x2702, /* LineX FM Transmitter */
-- 
2.36.0