V4L/DVB (13674): stv090x: Add DiSEqC envelope mode

Support DiSEqC envelope mode. Feature is enabled by setting
config->diseqc_envelope_mode = true (default: disabled).

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Acked-by: Manu Abraham <manu@linuxtv.org>
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 48edd54..1573466 100644 (file)
--- a/drivers/media/dvb/frontends/stv090x.c
+++ b/drivers/media/dvb/frontends/stv090x.c
@@ -3597,7 +3597,8 @@ static int stv090x_send_diseqc_msg(struct dvb_frontend *fe, struct dvb_diseqc_ma
 
        reg = STV090x_READ_DEMOD(state, DISTXCTL);
 
-       STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD, 2);
+       STV090x_SETFIELD_Px(reg, DISTX_MODE_FIELD,
+               (state->config->diseqc_envelope_mode) ? 4 : 2);
        STV090x_SETFIELD_Px(reg, DISEQC_RESET_FIELD, 1);
        if (STV090x_WRITE_DEMOD(state, DISTXCTL, reg) < 0)
                goto err;
@@ -3649,10 +3650,10 @@ static int stv090x_send_diseqc_burst(struct dvb_frontend *fe, fe_sec_mini_cmd_t
        reg = STV090x_READ_DEMOD(state, DISTXCTL);
 
        if (burst == SEC_MINI_A) {
-               mode = 3;
+               mode = (state->config->diseqc_envelope_mode) ? 5 : 3;
                value = 0x00;
        } else {
-               mode = 2;
+               mode = (state->config->diseqc_envelope_mode) ? 4 : 2;
                value = 0xFF;
        }
 

diff --git a/drivers/media/dvb/frontends/stv090x.h b/drivers/media/dvb/frontends/stv090x.h
index e968c98..b133807 100644 (file)
--- a/drivers/media/dvb/frontends/stv090x.h
+++ b/drivers/media/dvb/frontends/stv090x.h
@@ -75,6 +75,8 @@ struct stv090x_config {
 
        enum stv090x_i2crpt     repeater_level;
 
+       bool diseqc_envelope_mode;
+
        int (*tuner_init) (struct dvb_frontend *fe);
        int (*tuner_set_mode) (struct dvb_frontend *fe, enum tuner_mode mode);
        int (*tuner_set_frequency) (struct dvb_frontend *fe, u32 frequency);