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include: usb: audio: specify exact endiannes of descriptors

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USB spec says that multiple byte fields are stored in
little-endian order (see chapter 8.1 of USB2.0 spec and
chapter 7.1 of USB3.0 spec), thus mark such fields as LE
for UAC1 and UAC2 headers

Signed-off-by: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Ruslan Bilovol 2017-06-25 16:23:45 +03:00 committed by Felipe Balbi
parent ab1d53d598
commit 8bd226f9a7
2 changed files with 10 additions and 10 deletions
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14
include/linux/usb/audio-v2.h
View file

@ -115,13 +115,13 @@ struct uac2_input_terminal_descriptor {
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bTerminalID;
__u16 wTerminalType;
__le16 wTerminalType;
__u8 bAssocTerminal;
__u8 bCSourceID;
__u8 bNrChannels;
__u32 bmChannelConfig;
__le32 bmChannelConfig;
__u8 iChannelNames;
__u16 bmControls;
__le16 bmControls;
__u8 iTerminal;
} __attribute__((packed));
@ -132,11 +132,11 @@ struct uac2_output_terminal_descriptor {
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bTerminalID;
__u16 wTerminalType;
__le16 wTerminalType;
__u8 bAssocTerminal;
__u8 bSourceID;
__u8 bCSourceID;
__u16 bmControls;
__le16 bmControls;
__u8 iTerminal;
} __attribute__((packed));
@ -164,9 +164,9 @@ struct uac2_as_header_descriptor {
__u8 bTerminalLink;
__u8 bmControls;
__u8 bFormatType;
__u32 bmFormats;
__le32 bmFormats;
__u8 bNrChannels;
__u32 bmChannelConfig;
__le32 bmChannelConfig;
__u8 iChannelNames;
} __attribute__((packed));

6
include/uapi/linux/usb/audio.h
View file

@ -333,7 +333,7 @@ struct uac_processing_unit_descriptor {
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bUnitID;
__u16 wProcessType;
__le16 wProcessType;
__u8 bNrInPins;
__u8 baSourceID[];
} __attribute__ ((packed));
@ -491,8 +491,8 @@ struct uac_format_type_ii_ext_descriptor {
__u8 bDescriptorType;
__u8 bDescriptorSubtype;
__u8 bFormatType;
__u16 wMaxBitRate;
__u16 wSamplesPerFrame;
__le16 wMaxBitRate;
__le16 wSamplesPerFrame;
__u8 bHeaderLength;
__u8 bSideBandProtocol;
} __attribute__((packed));