diff options
| author | Oliver Endriss <o.endriss@gmx.de> | 2008-04-21 00:57:34 (GMT) |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@infradead.org> | 2008-04-24 17:09:45 (GMT) |
| commit | e84b133e329ddad725907844c285efcd35dae39d (patch) | |
| tree | c9cda47857845b8bdd88bd5411a90301efbbad0d /drivers/media/dvb/frontends/stv0299.c | |
| parent | 94ad6de7051a9eb6beda096144c5b409538eab86 (diff) | |
| download | linux-fsl-qoriq-e84b133e329ddad725907844c285efcd35dae39d.tar.xz | |
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>
Diffstat (limited to 'drivers/media/dvb/frontends/stv0299.c')
| -rw-r--r-- | drivers/media/dvb/frontends/stv0299.c | 45 |
1 files changed, 30 insertions, 15 deletions
diff --git a/drivers/media/dvb/frontends/stv0299.c b/drivers/media/dvb/frontends/stv0299.c index f7c3674..1755618 100644 --- a/drivers/media/dvb/frontends/stv0299.c +++ b/drivers/media/dvb/frontends/stv0299.c @@ -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; } |