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detect LNBH address to prevent error message in driver

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This commit is contained in:
Ralph Metzler 2018-04-07 20:17:38 +02:00
parent 8cbb835de0
commit 53464162de
1 changed files with 15 additions and 7 deletions
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16
ddbridge/ddbridge-core.c
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@ -1371,11 +1371,19 @@ static struct stv0910_cfg stv0910_p = {
.clk = 30000000, .clk = 30000000,
}; };
static int has_lnbh25(struct i2c_adapter *i2c, u8 adr)
{
u8 val;
return i2c_read_reg(i2c, adr, 0, &val) ? 0 : 1;
}
static int demod_attach_stv0910(struct ddb_input *input, int type) static int demod_attach_stv0910(struct ddb_input *input, int type)
{ {
struct i2c_adapter *i2c = &input->port->i2c->adap; struct i2c_adapter *i2c = &input->port->i2c->adap;
struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1]; struct ddb_dvb *dvb = &input->port->dvb[input->nr & 1];
struct stv0910_cfg cfg = stv0910_p; struct stv0910_cfg cfg = stv0910_p;
u8 lnbh_adr = 0x08;
if (stv0910_single) if (stv0910_single)
cfg.single = 1; cfg.single = 1;
@ -1392,15 +1400,15 @@ static int demod_attach_stv0910(struct ddb_input *input, int type)
"No STV0910 found!\n"); "No STV0910 found!\n");
return -ENODEV; return -ENODEV;
} }
if (has_lnbh25(i2c, 0x0d))
lnbh_adr = 0x0c;
if (!dvb_attach(lnbh25_attach, dvb->fe, i2c, if (!dvb_attach(lnbh25_attach, dvb->fe, i2c,
((input->nr & 1) ? 0x0d : 0x0c))) { (input->nr & 1) + lnbh_adr)) {
if (!dvb_attach(lnbh25_attach, dvb->fe, i2c,
((input->nr & 1) ? 0x09 : 0x08))) {
dev_err(input->port->dev->dev, dev_err(input->port->dev->dev,
"No LNBH25 found!\n"); "No LNBH25 found!\n");
return -ENODEV; return -ENODEV;
} }
}
return 0; return 0;
} }