USB: Add driver to control USB fast charge for iOS devices
iOS devices will not draw more than 500mA unless instructed to do so.
Setting the charge type power supply property to "fast" tells the device
to start drawing more power, using the same procedure that official
"MFi" chargers would.
Signed-off-by: Bastien Nocera <hadess@hadess.net>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20191016093933.693-7-hadess@hadess.net
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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