Commits
Mike Lockwood committed 9902e0b5c53
USB: gadget: f_accessory: New gadget driver for android USB accesories Signed-off-by: Mike Lockwood <lockwood@android.com> USB: gadget: f_accessory: Misc improvements and cleanup: - Add URI string - Replace type string with a description string - Add a control call to retrieve accessory protocol version (currently 1) - Driver read() and write() calls now fail after USB disconnect until driver file is closed and reopened. - Misc cleanup work Signed-off-by: Mike Lockwood <lockwood@android.com> USB: gadget: f_accessory: Clear accessory strings when USB is disconnected Signed-off-by: Mike Lockwood <lockwood@android.com> USB: gadget: f_accessory: Clear previous strings on ACCESSORY_GET_PROTOCOL Clearing strings on disconnect does not work since we may receive a disconnect on some devices when transitioning into accessory mode. We require an accessory to send ACCESSORY_GET_PROTOCOL before sending any strings, so any strings from a previous session will be cleared. Signed-off-by: Mike Lockwood <lockwood@android.com> USB: gadget: f_accessory: Clear disconnected flag when driver file is opened Fixes a race condition that can occur when entering accessory mode. Signed-off-by: Mike Lockwood <lockwood@android.com> USB: gadget: f_accessory: Add string for accessory's unique serial number Signed-off-by: Mike Lockwood <lockwood@android.com> USB: gadget: f_accessory: Set bNumEndpoints to correct value of 2 Change-Id: I24f4e36f196d45436e0573301500c3b93215953d Signed-off-by: Mike Lockwood <lockwood@android.com>