Input: edt-ft5x06 - fix an i2c write for M09 support
authorRobert Woerle <robert@linuxdevelopment.de>
Sun, 8 Jun 2014 05:20:23 +0000 (22:20 -0700)
committerDmitry Torokhov <dmitry.torokhov@gmail.com>
Sun, 8 Jun 2014 06:20:22 +0000 (23:20 -0700)
The driver sends 3 bytes instead of 2 when accessing a register on the M09
firmware, so writing to gain seems to overflow into the offset register.

Signed-off-by: Robert Woerle <robert@linuxdevelopment.de>
Acked-By: Simon Budig <simon.budig@kernelconcepts.de>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
drivers/input/touchscreen/edt-ft5x06.c

index f8815bebc9efb8c0ab4da0f65fbeb9d487cdb7b8..d4f33992ad8cf4e7a8f2d20ed30b199ffba64bb3 100644 (file)
@@ -271,7 +271,7 @@ static int edt_ft5x06_register_write(struct edt_ft5x06_ts_data *tsdata,
                wrbuf[0] = addr;
                wrbuf[1] = value;
 
-               return edt_ft5x06_ts_readwrite(tsdata->client, 3,
+               return edt_ft5x06_ts_readwrite(tsdata->client, 2,
                                        wrbuf, 0, NULL);
 
        default: