Input: edt-ft5x06 - fix an i2c write for M09 support

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 <[email protected]>
Acked-By: Simon Budig <[email protected]>
Signed-off-by: Dmitry Torokhov <[email protected]>

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index f8815bebc9efb8c0ab4da0f65fbeb9d487cdb7b8..d4f33992ad8cf4e7a8f2d20ed30b199ffba64bb3 100644 (file)
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -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: