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add SNR reading for XO2 CI and use correct I2C device

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This commit is contained in:
rjkm 2022-02-07 19:55:31 +01:00
parent 63df691561
commit 86579d353e
1 changed files with 16 additions and 11 deletions
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27
ddbridge/ddbridge-core.c
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@ -3626,21 +3626,24 @@ static ssize_t snr_show(struct device *device,
struct device_attribute *attr, char *buf)
{
struct ddb *dev = dev_get_drvdata(device);
char snr[32];
int num = attr->attr.name[3] - 0x30;
struct ddb_port *port = &dev->port[num];
struct i2c_adapter *i2c = &port->i2c->adap;
if (dev->port[num].type >= DDB_TUNER_XO2) {
if (i2c_read_regs(&dev->i2c[num].adap, 0x10, 0x10, snr, 16) < 0)
switch (port->type) {
case DDB_CI_EXTERNAL_XO2:
case DDB_TUNER_XO2 ... DDB_TUNER_DVBC2T2I_SONY:
if (i2c_read_regs(i2c, 0x10, 0x10, snr, 16) < 0)
return sprintf(buf, "NO SNR\n");
snr[16] = 0;
} else {
break;
default:
/* serial number at 0x100-0x11f */
if (i2c_read_regs16(&dev->i2c[num].adap,
0x57, 0x100, snr, 32) < 0)
if (i2c_read_regs16(&dev->i2c[num].adap,
0x50, 0x100, snr, 32) < 0)
if (i2c_read_regs16(i2c, 0x57, 0x100, snr, 32) < 0)
if (i2c_read_regs16(i2c, 0x50, 0x100, snr, 32) < 0)
return sprintf(buf, "NO SNR\n");
snr[31] = 0; /* in case it is not terminated on EEPROM */
break;
}
return sprintf(buf, "%s\n", snr);
}
@ -3651,15 +3654,17 @@ static ssize_t snr_store(struct device *device, struct device_attribute *attr,
struct ddb *dev = dev_get_drvdata(device);
int num = attr->attr.name[3] - 0x30;
u8 snr[34] = { 0x01, 0x00 };
struct ddb_port *port = &dev->port[num];
struct i2c_adapter *i2c = &port->i2c->adap;
return 0; /* NOE: remove completely? */
if (count > 31)
return -EINVAL;
if (dev->port[num].type >= DDB_TUNER_XO2)
if (port->type >= DDB_TUNER_XO2)
return -EINVAL;
memcpy(snr + 2, buf, count);
i2c_write(&dev->i2c[num].adap, 0x57, snr, 34);
i2c_write(&dev->i2c[num].adap, 0x50, snr, 34);
i2c_write(i2c, 0x57, snr, 34);
i2c_write(i2c, 0x50, snr, 34);
return count;
}