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c7b552df87
linux/drivers/usb/gadget
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Benoit Goby c7b552df87 ANDROID: usb: gadget: f_accessory: Add Android Accessory function 
USB accessory mode allows users to connect USB host hardware
specifically designed for Android-powered devices. The accessories
must adhere to the Android accessory protocol outlined in the
http://accessories.android.com documentation. This allows
Android devices that cannot act as a USB host to still interact with
USB hardware. When an Android device is in USB accessory mode, the
attached Android USB accessory acts as the host, provides power
to the USB bus, and enumerates connected devices.

Bug: 63740241
Bug: 120441124
Change-Id: I67964b50d278f3c0471d47efbb7b0973a3502681
[badhri: f_accessory is being migrated to userspace.]
Signed-off-by: Mike Lockwood <lockwood@android.com>
[AmitP: Folded following android-4.9 commit changes into this patch
        ceb2f0aac6 ("ANDROID: usb: gadget: accessory: Fix section mismatch")
        Parts of e275439310 ("ANDROID: usb: gadget: Fixes and hacks to make android usb gadget compile on 3.8")
        1b07ec7515 ("ANDROID: drivers: usb: gadget: 64-bit related type fixes")]
Signed-off-by: Amit Pundir <amit.pundir@linaro.org>
[astrachan: Folded the following changes into this patch:
            9d5891d516e2 ("ANDROID: usb: gadget: f_accessory: Add ACCESSORY_SET_AUDIO_MODE control request and ioctl")
            dc66cfce9622 ("ANDROID: usb: gadget: f_accessory: Add support for HID input devices")
            5f1ac9c2871b ("ANDROID: usb: gadget: f_accessory: move userspace interface to uapi")
            9a6241722cd8 ("ANDROID: usb: gadget: f_accessory: Enabled Zero Length Packet (ZLP) for acc_write")
            31a0ecd5a825 ("ANDROID: usb: gadget: f_accessory: check for accessory device before disconnecting HIDs")
            580721fa6cbc ("ANDROID: usb: gadget: f_accessory: Migrate to USB_FUNCTION API")
            7f407172fb28 ("ANDROID: usb: gadget: f_accessory: Fix for UsbAccessory clean unbind.")
            ebc98ac5a22f ("ANDROID: usb: gadget: f_accessory: fix false disconnect due to a signal sent to the reading process")
            71c6dc5ffdab ("ANDROID: usb: gadget: f_accessory: assign no-op request complete callbacks")
            675047ee68e9 ("ANDROID: usb: gadget: f_accessory: Move gadget functions code")
            b2bedaa5c7df ("CHROMIUM: usb: gadget: f_accessory: add .raw_request callback")]
Signed-off-by: Alistair Strachan <astrachan@google.com>
2018-12-05 09:48:11 -08:00
..
function ANDROID: usb: gadget: f_accessory: Add Android Accessory function 2018-12-05 09:48:11 -08:00
legacy usb: gadget: tcm: fix spelling mistake: "Manufactor" -> "Manufacturer" 2018-07-26 13:35:29 +03:00
udc usb: gadget: udc: renesas_usb3: Fix b-device mode for "workaround" 2018-11-13 11:08:41 -08:00
composite.c usb: gadget: Fix OS descriptors support 2018-07-17 10:12:51 +03:00
config.c USB: gadget: Remove redundant license text 2017-11-07 15:45:02 +01:00
configfs.c ANDROID: usb: gadget: configfs: Add device attribute to determine gadget state 2018-12-05 09:48:11 -08:00
configfs.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
epautoconf.c USB: gadget: Remove redundant license text 2017-11-07 15:45:02 +01:00
functions.c USB: add SPDX identifiers to all remaining files in drivers/usb/ 2017-11-04 11:48:02 +01:00
Kconfig ANDROID: usb: gadget: f_accessory: Add Android Accessory function 2018-12-05 09:48:11 -08:00
Makefile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
u_f.c USB: gadget: Remove redundant license text 2017-11-07 15:45:02 +01:00
u_f.h USB: gadget: f_midi: fixing a possible double-free in f_midi 2018-03-26 11:53:14 +02:00
u_os_desc.h USB: gadget: Remove redundant license text 2017-11-07 15:45:02 +01:00
usbstring.c usb/gadget: Constify usb_gadget_get_string "table" argument 2018-05-15 10:06:49 +03:00