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Signed-off-by: Mike Lockwood <lockwood@android.com>
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* Functions and the device descriptor are configured from user space:
echo 0 > /sys/class/android_usb/android0/enable
echo adb,acm > /sys/class/android_usb/android0/functions
echo 2 > /sys/class/android_usb/android0/f_acm/instances
echo 1 > /sys/class/android_usb/android0/enable
* Driver does not require platform data anymore
* Moved function initialization to android.c instead of each
function file
* Replaced switches by uevents
Signed-off-by: Benoit Goby <benoit@android.com>
Signed-off-by: Mike Lockwood <lockwood@android.com>
Change-Id: If5ad9267c111ad0a442f0d87a0d31082dc5381b6
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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>
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