Commit 0d4e1b2a authored by Jassi Brar's avatar Jassi Brar Committed by Felipe Balbi

usb: uac2: Add ACHeader and FormatType descriptor

Add missing, but needed, ACHeader and FormatType descriptor definitions.
Signed-off-by: default avatarYadi Brar <yadi.brar01@gmail.com>
Signed-off-by: default avatarJassi Brar <jaswinder.singh@linaro.org>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 18b5b3b5
...@@ -43,6 +43,27 @@ static inline bool uac2_control_is_writeable(u32 bmControls, u8 control) ...@@ -43,6 +43,27 @@ static inline bool uac2_control_is_writeable(u32 bmControls, u8 control)
return (bmControls >> (control * 2)) & 0x2; return (bmControls >> (control * 2)) & 0x2;
} }
/* 4.7.2 Class-Specific AC Interface Descriptor */
struct uac2_ac_header_descriptor {
__u8 bLength; /* 9 */
__u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
__u8 bDescriptorSubtype; /* UAC_MS_HEADER */
__le16 bcdADC; /* 0x0200 */
__u8 bCategory;
__le16 wTotalLength; /* includes Unit and Terminal desc. */
__u8 bmControls;
} __packed;
/* 2.3.1.6 Type I Format Type Descriptor (Frmts20 final.pdf)*/
struct uac2_format_type_i_descriptor {
__u8 bLength; /* in bytes: 6 */
__u8 bDescriptorType; /* USB_DT_CS_INTERFACE */
__u8 bDescriptorSubtype; /* FORMAT_TYPE */
__u8 bFormatType; /* FORMAT_TYPE_1 */
__u8 bSubslotSize; /* {1,2,3,4} */
__u8 bBitResolution;
} __packed;
/* 4.7.2.1 Clock Source Descriptor */ /* 4.7.2.1 Clock Source Descriptor */
struct uac_clock_source_descriptor { struct uac_clock_source_descriptor {
......
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