Re: [PATCH] ALSA: usb-audio: Add quirk for SmartlinkTechnology M01

[Takashi Iwai <tiwai@suse.de>]

On Wed, 15 Apr 2026 15:33:49 +0200,
Juan Pablo Fuentealba wrote:
> 
> From 7a57eecb5a332da652a0bb3c006fb4ce5316fa17 Mon Sep 17 00:00:00 2001
> From: Juan Pablo Fuentealba Bizama <jpfuentealbabizama@gmail.com>
> Date: Wed, 15 Apr 2026 09:16:47 -0400
> Subject: [PATCH] ALSA: usb-audio: Add quirk for SmartlinkTechnology M01

Embedding those headers (except for From:) in the patch looks wrong.
I can trim them, but please check your setup for submission.

> Add quirk entry for SmartlinkTechnology M01 USB microphone
> to enable the standard mixer interface.
> 
> Signed-off-by: Juan Pablo Fuentealba Bizama <jpfuentealbabizama@gmail.com>
> ---
>  sound/usb/quirks-table.h | 15 +++++++++++++++
>  1 file changed, 15 insertions(+)
> 
> diff --git a/sound/usb/quirks-table.h b/sound/usb/quirks-table.h
> index 803e03d4d77b..9edfafb7d274 100644
> --- a/sound/usb/quirks-table.h
> +++ b/sound/usb/quirks-table.h
> @@ -3772,6 +3772,21 @@ YAMAHA_DEVICE(0x7010, "UB99"),
>                 }
>         }
>  },
> +{
> +       /*
> +        * SmartlinkTechnology M01
> +        * USB audio device that needs standard mixer quirk
> +        */
> +       USB_DEVICE(0x301a, 0x159b),
> +       QUIRK_DRIVER_INFO {
> +               .vendor_name = "SmartlinkTechnology",
> +               .product_name = "M01",
> +               QUIRK_DATA_COMPOSITE {
> +                       QUIRK_DATA_STANDARD_MIXER(QUIRK_ANY_INTERFACE),
> +                       QUIRK_COMPOSITE_END

Any reason for using the composite type here?
You should be able to use QUIRK_DATA_STANDARD_MIXER() for single
entry.


thanks,

Takashi