Scan all temperature sources used for fan control and report if additional monitoring registers are available.
Signed-off-by: Guenter Roeck <[email protected]> --- drivers/hwmon/nct6775.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/drivers/hwmon/nct6775.c b/drivers/hwmon/nct6775.c index 50e38c6..a4b076a 100644 --- a/drivers/hwmon/nct6775.c +++ b/drivers/hwmon/nct6775.c @@ -3361,6 +3361,32 @@ nct6775_check_fan_inputs(const struct nct6775_sio_data *sio_data, return 0; } +static void add_temp_sensors(struct nct6775_data *data, const u16 *regp, + int *available, int *mask) +{ + int i; + u8 src; + + for (i = 0; i < data->pwm_num && *available; i++) { + int index; + + if (!regp[i]) + continue; + src = nct6775_read_value(data, regp[i]); + src &= 0x1f; + if (!src || (*mask & (1 << src))) + continue; + if (src >= data->temp_label_num || + !strlen(data->temp_label[src])) + continue; + + index = __ffs(*available); + nct6775_write_value(data, data->REG_TEMP_SOURCE[index], src); + *available &= ~(1 << index); + *mask |= 1 << src; + } +} + static int nct6775_probe(struct platform_device *pdev) { struct device *dev = &pdev->dev; @@ -3611,6 +3637,13 @@ static int nct6775_probe(struct platform_device *pdev) mask |= 1 << src; } + /* + * Now find unmonitored temperature registers and enable monitoring + * if additional monitoring registers are available. + */ + add_temp_sensors(data, data->REG_TEMP_SEL, &available, &mask); + add_temp_sensors(data, data->REG_WEIGHT_TEMP_SEL, &available, &mask); + mask = 0; s = NUM_TEMP_FIXED; /* First dynamic temperature attribute */ for (i = 0; i < num_reg_temp; i++) { -- 1.7.9.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
