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-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 03b85711cb70..d50c6147bb76 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1422,10 +1422,12 @@ static int mxt_get_object_table(struct mxt_data *data)
1422 1422
1423 switch (object->type) { 1423 switch (object->type) {
1424 case MXT_GEN_MESSAGE_T5: 1424 case MXT_GEN_MESSAGE_T5:
1425 if (data->info.family_id == 0x80) { 1425 if (data->info.family_id == 0x80 &&
1426 data->info.version < 0x20) {
1426 /* 1427 /*
1427 * On mXT224 read and discard unused CRC byte 1428 * On mXT224 firmware versions prior to V2.0
1428 * otherwise DMA reads are misaligned 1429 * read and discard unused CRC byte otherwise
1430 * DMA reads are misaligned.
1429 */ 1431 */
1430 data->T5_msg_size = mxt_obj_size(object); 1432 data->T5_msg_size = mxt_obj_size(object);
1431 } else { 1433 } else {