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>

1 files changed, 4 insertions, 0 deletions

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");