Input: atmel_mxt_ts - implement CRC check for configuration data
The configuration is stored in NVRAM on the maXTouch chip. When the device is reset it reports a CRC of the stored configuration values. Therefore it isn't necessary to send the configuration on each probe - we can check the CRC matches and avoid a timeconsuming backup/reset cycle. Signed-off-by: NNick Dyer <nick.dyer@itdev.co.uk> Acked-by: NBenson Leung <bleung@chromium.org> Acked-by: NYufeng Shen <miletus@chromium.org> Signed-off-by: NDmitry Torokhov <dmitry.torokhov@gmail.com>
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