Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751500AbdFYNZU (ORCPT ); Sun, 25 Jun 2017 09:25:20 -0400 Received: from mail-lf0-f66.google.com ([209.85.215.66]:35059 "EHLO mail-lf0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751136AbdFYNXw (ORCPT ); Sun, 25 Jun 2017 09:23:52 -0400 From: Ruslan Bilovol To: Felipe Balbi Cc: Greg Kroah-Hartman , linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH 1/3] include: usb: audio: specify exact endiannes of descriptors Date: Sun, 25 Jun 2017 16:23:45 +0300 Message-Id: <1498397027-17724-2-git-send-email-ruslan.bilovol@gmail.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1498397027-17724-1-git-send-email-ruslan.bilovol@gmail.com> References: <1498397027-17724-1-git-send-email-ruslan.bilovol@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 2326 Lines: 84 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 --- include/linux/usb/audio-v2.h | 14 +++++++------- include/uapi/linux/usb/audio.h | 6 +++--- 2 files changed, 10 insertions(+), 10 deletions(-) diff --git a/include/linux/usb/audio-v2.h b/include/linux/usb/audio-v2.h index c5f2158..fd73bc0 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 d2314be..a4680a5 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)); -- 1.9.1