2022-05-04 16:57:20

by Forest Crossman

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 <[email protected]>
---
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

2022-05-09 06:24:44

by Takashi Iwai

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

On Wed, 04 May 2022 02:24:44 +0200,
Forest Crossman wrote:
>
> 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 <[email protected]>

Thanks, applied now.


Takashi