From: Ruslan Bilovol <ruslan.bilovol@gmail.com>
Date: Sun, 25 Jun 2017 13:23:45 +0000 (+0300)
Subject: include: usb: audio: specify exact endiannes of descriptors
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8bd226f9a7dc18740a916dcba3112f2bfc3ad9e8;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git

include: usb: audio: specify exact endiannes of descriptors

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>
---

diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h
index c5f2158ab00e..fd73bc0e9027 100644
--- a/include/linux/usb/audio-v2.h
+++ b/include/linux/usb/audio-v2.h
@@ -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));
 
diff --git a/include/uapi/linux/usb/audio.h b/include/uapi/linux/usb/audio.h
index d2314be4f0c0..a4680a5bf5dd 100644
--- a/include/uapi/linux/usb/audio.h
+++ b/include/uapi/linux/usb/audio.h
@@ -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));