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path: root/drivers/media/dvb/frontends/m88rs2000.c
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Diffstat (limited to 'drivers/media/dvb/frontends/m88rs2000.c')
-rw-r--r--drivers/media/dvb/frontends/m88rs2000.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/drivers/media/dvb/frontends/m88rs2000.c b/drivers/media/dvb/frontends/m88rs2000.c
index 82cc14542479..0ad5bd8c1834 100644
--- a/drivers/media/dvb/frontends/m88rs2000.c
+++ b/drivers/media/dvb/frontends/m88rs2000.c
@@ -416,9 +416,25 @@ static int m88rs2000_tab_set(struct m88rs2000_state *state,
static int m88rs2000_set_voltage(struct dvb_frontend *fe, fe_sec_voltage_t volt)
{
- deb_info("%s: %s\n", __func__,
- volt == SEC_VOLTAGE_13 ? "SEC_VOLTAGE_13" :
- volt == SEC_VOLTAGE_18 ? "SEC_VOLTAGE_18" : "??");
+ struct m88rs2000_state *state = fe->demodulator_priv;
+ u8 data;
+
+ data = m88rs2000_demod_read(state, 0xb2);
+ data |= 0x03; /* bit0 V/H, bit1 off/on */
+
+ switch (volt) {
+ case SEC_VOLTAGE_18:
+ data &= ~0x03;
+ break;
+ case SEC_VOLTAGE_13:
+ data &= ~0x03;
+ data |= 0x01;
+ break;
+ case SEC_VOLTAGE_OFF:
+ break;
+ }
+
+ m88rs2000_demod_write(state, 0xb2, data);
return 0;
}