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authorDaniel Kurtz <djkurtz@chromium.org>2012-05-08 22:40:26 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2012-05-10 20:39:06 -0700
commit822115ff4bd7141a6069dcc17b35dfd823a44dff (patch)
tree34122740ec7230213ccb438009dbb267aa1f1f41
parentd1ff320f0a9766a53ae412d96f72bd861a889af6 (diff)
downloadop-kernel-dev-822115ff4bd7141a6069dcc17b35dfd823a44dff.zip
op-kernel-dev-822115ff4bd7141a6069dcc17b35dfd823a44dff.tar.gz
Input: atmel_mxt_ts - do not read extra (checksum) byte
atmel_mxt devices will send a checksum byte at the end of a message if the MSB of the object address is set. However, since this driver does not set this bit, the checksum byte isn't actually sent, so don't even try to read it. Signed-off-by: Daniel Kurtz <djkurtz@chromium.org> Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
-rw-r--r--drivers/input/touchscreen/atmel_mxt_ts.c2
1 files changed, 0 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c
index 8f0dc77..12a6ba2 100644
--- a/drivers/input/touchscreen/atmel_mxt_ts.c
+++ b/drivers/input/touchscreen/atmel_mxt_ts.c
@@ -236,7 +236,6 @@ struct mxt_object {
struct mxt_message {
u8 reportid;
u8 message[7];
- u8 checksum;
};
struct mxt_finger {
@@ -336,7 +335,6 @@ static void mxt_dump_message(struct device *dev,
dev_dbg(dev, "message5:\t0x%x\n", message->message[4]);
dev_dbg(dev, "message6:\t0x%x\n", message->message[5]);
dev_dbg(dev, "message7:\t0x%x\n", message->message[6]);
- dev_dbg(dev, "checksum:\t0x%x\n", message->checksum);
}
static int mxt_check_bootloader(struct i2c_client *client,
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