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Commit 822115ff authored by Daniel Kurtz's avatar Daniel Kurtz Committed by Dmitry Torokhov
Browse files

Input: atmel_mxt_ts - do not read extra (checksum) byte 



atmel_mxt devices will send a checksum byte at the end of a message if
the MSB of the object address is set.
However, since this driver does not set this bit, the checksum byte
isn't actually sent, so don't even try to read it.

Signed-off-by: default avatarDaniel Kurtz <djkurtz@chromium.org>
Signed-off-by: default avatarDmitry Torokhov <dtor@mail.ru>
parent d1ff320f

drivers/input/touchscreen/atmel_mxt_ts.c

+0 −2
Original line number Diff line number Diff line
@@ -236,7 +236,6 @@ struct mxt_object { 
struct mxt_message {

	u8 reportid;

	u8 message[7];

	u8 checksum;

};



struct mxt_finger {
@@ -336,7 +335,6 @@ static void mxt_dump_message(struct device *dev, 
	dev_dbg(dev, "message5:\t0x%x\n", message->message[4]);

	dev_dbg(dev, "message6:\t0x%x\n", message->message[5]);

	dev_dbg(dev, "message7:\t0x%x\n", message->message[6]);

	dev_dbg(dev, "checksum:\t0x%x\n", message->checksum);

}



static int mxt_check_bootloader(struct i2c_client *client,