V4L/DVB (7661): stv0299: Add flag to turn off OP0 output
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>
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@ -366,26 +366,32 @@ static int stv0299_set_voltage (struct dvb_frontend* fe, fe_sec_voltage_t voltag
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* H/V switching over OP0, OP1 and OP2 are LNB power enable bits
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*/
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reg0x0c &= 0x0f;
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if (voltage == SEC_VOLTAGE_OFF) {
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stv0299_writeregI (state, 0x0c, 0x00); /* LNB power off! */
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return stv0299_writeregI (state, 0x08, 0x00); /* LNB power off! */
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}
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stv0299_writeregI (state, 0x08, (reg0x08 & 0x3f) | (state->config->lock_output << 6));
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reg0x08 = (reg0x08 & 0x3f) | (state->config->lock_output << 6);
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switch (voltage) {
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case SEC_VOLTAGE_13:
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if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0) reg0x0c |= 0x10;
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else reg0x0c |= 0x40;
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return stv0299_writeregI(state, 0x0c, reg0x0c);
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if (state->config->volt13_op0_op1 == STV0299_VOLT13_OP0)
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reg0x0c |= 0x10; /* OP1 off, OP0 on */
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else
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reg0x0c |= 0x40; /* OP1 on, OP0 off */
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break;
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case SEC_VOLTAGE_18:
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return stv0299_writeregI(state, 0x0c, reg0x0c | 0x50);
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reg0x0c |= 0x50; /* OP1 on, OP0 on */
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break;
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case SEC_VOLTAGE_OFF:
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/* LNB power off! */
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reg0x08 = 0x00;
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reg0x0c = 0x00;
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break;
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default:
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return -EINVAL;
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};
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if (state->config->op0_off)
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reg0x0c &= ~0x10;
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stv0299_writeregI(state, 0x08, reg0x08);
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return stv0299_writeregI(state, 0x0c, reg0x0c);
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}
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static int stv0299_send_legacy_dish_cmd (struct dvb_frontend* fe, unsigned long cmd)
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@ -445,11 +451,20 @@ static int stv0299_init (struct dvb_frontend* fe)
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{
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struct stv0299_state* state = fe->demodulator_priv;
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int i;
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u8 reg;
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u8 val;
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dprintk("stv0299: init chip\n");
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for (i=0; !(state->config->inittab[i] == 0xff && state->config->inittab[i+1] == 0xff); i+=2)
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stv0299_writeregI(state, state->config->inittab[i], state->config->inittab[i+1]);
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for (i = 0; ; i += 2) {
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reg = state->config->inittab[i];
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val = state->config->inittab[i+1];
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if (reg == 0xff && val == 0xff)
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break;
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if (reg == 0x0c && state->config->op0_off)
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val &= ~0x10;
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stv0299_writeregI(state, reg, val);
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}
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return 0;
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}
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@ -82,6 +82,9 @@ struct stv0299_config
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/* Is 13v controlled by OP0 or OP1? */
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u8 volt13_op0_op1:1;
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/* Turn-off OP0? */
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u8 op0_off:1;
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/* minimum delay before retuning */
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int min_delay_ms;
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