From: Nick Dyer <[email protected]>
Signed-off-by: Nick Dyer <[email protected]>
---
drivers/input/touchscreen/atmel_mxt_ts.c | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c
b/drivers/input/touchscreen/atmel_mxt_ts.c
index da497db..67ea728 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -1424,10 +1424,12 @@ 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 {
--
1.9.1
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