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handle gate control errors

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This commit is contained in:
Ralph Metzler 2017-10-02 00:54:53 +02:00
parent b5ae7ac76f
commit 83000cd73a
2 changed files with 31 additions and 25 deletions
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15
frontends/stv0910.c
View File

@ -1196,24 +1196,21 @@ static int gate_ctrl(struct dvb_frontend *fe, int enable)
{
struct stv *state = fe->demodulator_priv;
u8 i2crpt = state->i2crpt & ~0x86;
int stat;
if (enable)
if (enable) {
mutex_lock(&state->base->i2c_lock);
if (enable)
i2crpt |= 0x80;
else
} else
i2crpt |= 0x02;
if (write_reg(state, state->nr ? RSTV0910_P2_I2CRPT :
RSTV0910_P1_I2CRPT, i2crpt) < 0)
return -EIO;
stat = write_reg(state, state->nr ? RSTV0910_P2_I2CRPT :
RSTV0910_P1_I2CRPT, i2crpt);
state->i2crpt = i2crpt;
if (!enable)
mutex_unlock(&state->base->i2c_lock);
return 0;
return stat;
}
static void release(struct dvb_frontend *fe)

27
frontends/stv6111.c
View File

@ -213,6 +213,7 @@ static int set_bandwidth(struct dvb_frontend *fe, u32 CutOffFrequency)
{
struct stv *state = fe->tuner_priv;
u32 index = (CutOffFrequency + 999999) / 1000000;
int stat = 0;
if (index < 6)
index = 6;
@ -224,12 +225,14 @@ static int set_bandwidth(struct dvb_frontend *fe, u32 CutOffFrequency)
state->reg[0x08] = (state->reg[0x08] & ~0xFC) | ((index-6) << 2);
state->reg[0x09] = (state->reg[0x09] & ~0x0C) | 0x08;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
stat = fe->ops.i2c_gate_ctrl(fe, 1);
if (!stat) {
write_regs(state, 0x08, 2);
wait_for_call_done(state, 0x08);
}
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
return 0;
return stat;
}
static int set_lof(struct stv *state, u32 LocalFrequency, u32 CutOffFrequency)
@ -311,6 +314,7 @@ static int set_params(struct dvb_frontend *fe)
struct stv *state = fe->tuner_priv;
struct dtv_frontend_properties *p = &fe->dtv_property_cache;
u32 freq, symb, cutoff;
int stat = 0;
if (p->delivery_system != SYS_DVBS && p->delivery_system != SYS_DVBS2)
return -EINVAL;
@ -320,11 +324,12 @@ static int set_params(struct dvb_frontend *fe)
cutoff = 5000000 + MulDiv32(p->symbol_rate, 135, 200);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
stat = fe->ops.i2c_gate_ctrl(fe, 1);
if (!stat)
set_lof(state, freq, cutoff);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
return 0;
return stat;
}
static int get_frequency(struct dvb_frontend *fe, u32 *frequency)
@ -630,13 +635,16 @@ static int get_rf_strength(struct dvb_frontend *fe, u16 *st)
// RF Mode
// Read AGC ADC
u8 Reg = 0;
int stat = 0;
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
stat = fe->ops.i2c_gate_ctrl(fe, 1);
if (!stat) {
write_reg(state, 0x02, state->reg[0x02] | 0x20);
read_reg(state, 2, &Reg);
if( Reg & 0x20 )
if (Reg & 0x20)
read_reg(state, 2, &Reg);
}
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
@ -714,7 +722,7 @@ struct dvb_frontend *stv6111_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c, u8 adr)
{
struct stv *state;
int stat;
int stat = 0;
state = kzalloc(sizeof(struct stv), GFP_KERNEL);
if (!state)
@ -725,13 +733,14 @@ struct dvb_frontend *stv6111_attach(struct dvb_frontend *fe,
init_state(state);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 1);
stat = fe->ops.i2c_gate_ctrl(fe, 1);
if (!stat)
stat = attach_init(state);
if (fe->ops.i2c_gate_ctrl)
fe->ops.i2c_gate_ctrl(fe, 0);
if (stat < 0) {
kfree(state);
return 0;
return NULL;
}
fe->tuner_priv = state;
return fe;