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authorTakashi Iwai <tiwai@suse.de>2020-02-13 12:20:58 +0100
committerTakashi Iwai <tiwai@suse.de>2020-02-17 15:29:58 +0100
commit10fa9512769fa3b15ea29f4f331f4604c17b4b2c (patch)
tree44ed9bfe9f530c3929a7fa19bdcb5d61f1f2750a /include/linux/usb
parentdfa9a5efe8b932a84b3b319250aa3ac60c20f876 (diff)
usb: audio-v2: Add uac2_effect_unit_descriptor definition
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. Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Link: https://lore.kernel.org/r/20200213112059.18745-2-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'include/linux/usb')
-rw-r--r--include/linux/usb/audio-v2.h12
1 files changed, 12 insertions, 0 deletions
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 {