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Commit 437d4f37 authored by Nick Dyer's avatar Nick Dyer Committed by Dmitry Torokhov
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Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA 



Signed-off-by: default avatarNick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: default avatarDmitry Torokhov <dmitry.torokhov@gmail.com>
parent fc8104bc

drivers/input/touchscreen/atmel_mxt_ts.c

+5 −3
Original line number Diff line number Diff line
@@ -1422,10 +1422,12 @@ static int mxt_get_object_table(struct mxt_data *data) 


		switch (object->type) {

		case MXT_GEN_MESSAGE_T5:

			if (data->info.family_id == 0x80) {

			if (data->info.family_id == 0x80 &&

			    data->info.version < 0x20) {

				/*

				 * On mXT224 read and discard unused CRC byte

				 * otherwise DMA reads are misaligned

				 * On mXT224 firmware versions prior to V2.0

				 * read and discard unused CRC byte otherwise

				 * DMA reads are misaligned.

				 */

				data->T5_msg_size = mxt_obj_size(object);

			} else {