[PATCH] ALSA: usb-audio: Add new quirk FIXED_RATE for JBL Quantum810 Wireless

[Takashi Iwai]

On Thu, 15 Dec 2022 16:30:37 +0100,
Jaroslav Kysela wrote:
> 
> It seems that the firmware is broken and does not accept
> the UAC_EP_CS_ATTR_SAMPLE_RATE URB. There is only one rate (48000Hz)
> available in the descriptors for the output endpoint.
> 
> Create a new quirk QUIRK_FLAG_FIXED_RATE to skip the rate setup
> when only one rate is available (fixed).
> 
> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216798
> Signed-off-by: Jaroslav Kysela <perex at perex.cz>

Thanks, applied now.

My gut feeling tells that this might be generically applicable, but we
are never sure about the firmware bugs, so let's try to apply
conditionally with a quirk flag.


Takashi