[patch 08/31] DVB: tda10086: fix DiSEqC message length

[Greg KH]

-stable review patch.  If anyone has any objections, please let us know.

------------------
From: Andreas Oberritter <obi@xxxxxxxxxxx>

DVB: tda10086: fix DiSEqC message length

Setting the message length to zero means to send one byte, so you need a
subtraction instead of an addition.

(cherry picked from commit d420cb44693b8370cbf06c3e31b4b5dec66c9f86)

Signed-off-by: Andreas Oberritter <obi@xxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab@xxxxxxxxxxxxx>
Signed-off-by: Michael Krufky <mkrufky@xxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxx>

---
 drivers/media/dvb/frontends/tda10086.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/media/dvb/frontends/tda10086.c
+++ b/drivers/media/dvb/frontends/tda10086.c
@@ -212,7 +212,7 @@ static int tda10086_send_master_cmd (str
 	for(i=0; i< cmd->msg_len; i++) {
 		tda10086_write_byte(state, 0x48+i, cmd->msg[i]);
 	}
-	tda10086_write_byte(state, 0x36, 0x08 | ((cmd->msg_len + 1) << 4));
+	tda10086_write_byte(state, 0x36, 0x08 | ((cmd->msg_len - 1) << 4));
 
 	tda10086_diseqc_wait(state);
 

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