diff options
| author | Nick Dyer <nick.dyer@itdev.co.uk> | 2014-07-29 10:46:35 +0100 |
|---|---|---|
| committer | Nick Dyer <nick.dyer@itdev.co.uk> | 2014-09-09 16:27:30 +0100 |
| commit | 88858db093947cdc5bb5dee9f76694dfc79a5c73 (patch) | |
| tree | 16608c3f851110532fe960bddfe155fe9840207a | |
| parent | e3e0ef50605d2952befdcb064feb2db69fe8b753 (diff) | |
| download | olio-linux-3.10-88858db093947cdc5bb5dee9f76694dfc79a5c73.tar.xz olio-linux-3.10-88858db093947cdc5bb5dee9f76694dfc79a5c73.zip | |
Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
| -rw-r--r-- | drivers/input/touchscreen/atmel_mxt_ts.c | 8 |
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 33cbe2bae71..f4b4f351c49 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1856,10 +1856,12 @@ static int mxt_parse_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 { |