From: nick.dyer@itdev.co.uk
To: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Cc: Yufeng Shen <miletus@google.com>,
Daniel Kurtz <djkurtz@chromium.org>,
Henrik Rydberg <rydberg@euromail.se>,
Joonyoung Shim <jy0922.shim@samsung.com>,
Alan Bowens <Alan.Bowens@atmel.com>,
linux-input@vger.kernel.org, linux-kernel@vger.kernel.org,
Peter Meerwald <pmeerw@pmeerw.net>,
Benson Leung <bleung@chromium.org>,
Olof Johansson <olofj@chromium.org>, Sekhar Nori <nsekhar@ti.com>,
Stephen Warren <swarren@wwwdotorg.org>,
Nick Dyer <nick.dyer@itdev.co.uk>
Subject: [PATCH 2/2] Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA
Date: Thu, 7 Aug 2014 15:07:18 +0100 [thread overview]
Message-ID: <1407420438-6289-3-git-send-email-nick.dyer@itdev.co.uk> (raw)
In-Reply-To: <1407420438-6289-1-git-send-email-nick.dyer@itdev.co.uk>
From: Nick Dyer <nick.dyer@itdev.co.uk>
Signed-off-by: Nick Dyer <nick.dyer@itdev.co.uk>
---
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
next prev parent reply other threads:[~2014-08-07 14:07 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-08-07 14:07 Minor fixes for atmel_mxt_ts nick.dyer
2014-08-07 14:07 ` [PATCH 1/2] Input: atmel_mxt_ts - Fix double free of input device nick.dyer
2014-08-07 16:55 ` Dmitry Torokhov
2014-08-07 14:07 ` nick.dyer [this message]
2014-08-26 20:10 ` [PATCH 2/2] Input: atmel_mxt_ts - mXT224 DMA quirk was fixed in firmware v2.0.AA Benson Leung
2014-08-07 16:59 ` Minor fixes for atmel_mxt_ts Dmitry Torokhov
2014-08-08 15:58 ` nick.dyer
2014-08-08 15:58 ` [PATCH 1/2] Input: atmel_mxt_ts - simplify mxt_initialize a bit nick.dyer
2014-08-08 16:19 ` Dmitry Torokhov
2014-08-08 16:19 ` Dmitry Torokhov
2014-08-08 15:58 ` [PATCH 2/2] Input: atmel_mxt_ts - split config update " nick.dyer
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