diff options
| author | Nick Dyer <nick.dyer@itdev.co.uk> | 2014-08-07 09:56:01 -0700 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2014-08-07 23:36:32 -0700 |
| commit | 437d4f3797041942947ec838cf5d65f770562c5d (patch) | |
| tree | 408f2ce146fbddb4a2ed9626a17a177d57a42107 | |
| parent | fc8104bc5a3f6f49d79f45f2706f79f77a9fb2ae (diff) | |
Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -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 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) 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 { |