On Thu, 13 Feb 2020 12:20:58 +0100,
Takashi Iwai wrote:
>
> The UAC2 Effect Unit Descriptor has a slightly different definition
> from other similar ones like Processing Unit or Extension Unit.
> Define it here so that it can be used in USB-audio driver in a later
> patch.
>
> Signed-off-by: Takashi Iwai <tiwai@xxxxxxx>
> ---
> include/linux/usb/audio-v2.h | 12 ++++++++++++
> 1 file changed, 12 insertions(+)
>
> diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
> index ba4b3e3327ff..cb9900b34b67 100644
> --- a/include/linux/usb/audio-v2.h
> +++ b/include/linux/usb/audio-v2.h
> @@ -156,6 +156,18 @@ struct uac2_feature_unit_descriptor {
> __u8 bmaControls[0]; /* variable length */
> } __attribute__((packed));
>
> +/* 4.7.2.10 Effect Unit Descriptor */
> +
> +struct uac2_effect_unit_descriptor {
> + __u8 bLength;
> + __u8 bDescriptorType;
> + __u8 bDescriptorSubtype;
> + __u8 bUnitID;
> + __le16 wEffectType;
> + __u8 bSourceID;
> + __u8 bmaControls[]; /* variable length */
> +} __attribute__((packed));
> +
> /* 4.9.2 Class-Specific AS Interface Descriptor */
>
> struct uac2_as_header_descriptor {
Greg, I suppose you are OK with this addition?
thanks,
Takashi
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