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V4L/DVB (7661): stv0299: Add flag to turn off OP0 output

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Add flag to turn off OP0 output.

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Oliver Endriss 2008-04-20 21:57:34 -03:00 committed by Mauro Carvalho Chehab
parent 94ad6de705
commit e84b133e32
2 changed files with 33 additions and 15 deletions
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45
drivers/media/dvb/frontends/stv0299.c
View File

@ -366,26 +366,32 @@ static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag
* H/V switching over OP0, OP1 and OP2 are LNB power enable bits
*/
reg0x0c &= 0x0f;
if (voltage == SEC_VOLTAGE_OFF) {
stv0299_writeregI (state, 0x0c, 0x00); /* LNB power off! */
return stv0299_writeregI (state, 0x08, 0x00); /* LNB power off! */
}
stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
reg0x08 = (reg0x08 & 0x3f) | (state->config->lock_output << 6);
switch (voltage) {
case SEC_VOLTAGE_13:
if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0) reg0x0c |= 0x10;
else reg0x0c |= 0x40;
return stv0299_writeregI(state, 0x0c, reg0x0c);
if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
reg0x0c |= 0x10; /* OP1 off, OP0 on */
else
reg0x0c |= 0x40; /* OP1 on, OP0 off */
break;
case SEC_VOLTAGE_18:
return stv0299_writeregI(state, 0x0c, reg0x0c | 0x50);
reg0x0c |= 0x50; /* OP1 on, OP0 on */
break;
case SEC_VOLTAGE_OFF:
/* LNB power off! */
reg0x08 = 0x00;
reg0x0c = 0x00;
break;
default:
return -EINVAL;
};
if (state->config->op0_off)
reg0x0c &= ~0x10;
stv0299_writeregI(state, 0x08, reg0x08);
return stv0299_writeregI(state, 0x0c, reg0x0c);
}
static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long cmd)
@ -445,11 +451,20 @@ static int stv0299_init (struct dvb_frontend* fe)
{
struct stv0299_state* state = fe->demodulator_priv;
int i;
u8 reg;
u8 val;
dprintk("stv0299: init chip\n");
for (i=0; !(state->config->inittab[i] == 0xff && state->config->inittab[i+1] == 0xff); i+=2)
stv0299_writeregI(state, state->config->inittab[i], state->config->inittab[i+1]);
for (i = 0; ; i += 2) {
reg = state->config->inittab[i];
val = state->config->inittab[i+1];
if (reg == 0xff && val == 0xff)
break;
if (reg == 0x0c && state->config->op0_off)
val &= ~0x10;
stv0299_writeregI(state, reg, val);
}
return 0;
}

3
drivers/media/dvb/frontends/stv0299.h
View File

@ -82,6 +82,9 @@ struct stv0299_config
/* Is 13v controlled by OP0 or OP1? */
u8 volt13_op0_op1:1;
/* Turn-off OP0? */
u8 op0_off:1;
/* minimum delay before retuning */
int min_delay_ms;