From: Oliver Endriss <o.endriss@gmx.de>
Date: Sun, 21 Mar 2010 14:48:47 +0000 (-0300)
Subject: V4L/DVB: ngene: Workaround for stuck DiSEqC pin
X-Git-Tag: firefly_0821_release~9833^2~2215^2~4
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=5dd92c1ff1f85b1a4dceba9caa0fda85835ccc4b;p=firefly-linux-kernel-4.4.55.git

V4L/DVB: ngene: Workaround for stuck DiSEqC pin

Send one DiSEqC byte to make sure that the pin is set to low level.

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Reviewed-by: Manu Abraham <abraham.manu@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
---

diff --git a/drivers/media/dvb/frontends/stv090x.c b/drivers/media/dvb/frontends/stv090x.c
index a3c07fe0e6c4..96972804f4ad 100644
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -4470,6 +4470,10 @@ static int stv090x_setup(struct dvb_frontend *fe)
 	if (stv090x_write_reg(state, STV090x_TSTRES0, 0x00) < 0)
 		goto err;
 
+	/* workaround for stuck DiSEqC output */
+	if (config->diseqc_envelope_mode)
+		stv090x_send_diseqc_burst(fe, SEC_MINI_A);
+
 	return 0;
 err:
 	dprintk(FE_ERROR, 1, "I/O error");