Hi Constantine,
On Thu, Jul 09, 2015 at 01:49:08AM +0300, Constantine Shulyupin wrote:
> Introduced PWM_REG, TEMP_REG, auto_pointX_temp, auto_pointX_pwm,
> nct7802_auto_point_attrs, nct7802_auto_point_group.
>
> Signed-off-by: Constantine Shulyupin <const@xxxxxxxxxxxxx>
> ---
> drivers/hwmon/nct7802.c | 41 +++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 41 insertions(+)
>
> diff --git a/drivers/hwmon/nct7802.c b/drivers/hwmon/nct7802.c
> index 2f6bbe5..a3f3063 100644
> --- a/drivers/hwmon/nct7802.c
> +++ b/drivers/hwmon/nct7802.c
> @@ -153,6 +153,10 @@ static ssize_t store_pwm(struct device *dev, struct device_attribute *devattr,
> return err ? : count;
> }
>
> +#define PWM_REG(_name, _reg) \
> + SENSOR_DEVICE_ATTR(_name, S_IRUGO | S_IWUSR, \
> + show_pwm, store_pwm, _reg)
> +
> static ssize_t show_pwm_enable(struct device *dev,
> struct device_attribute *attr, char *buf)
> {
> @@ -404,6 +408,10 @@ static ssize_t store_temp(struct device *dev, struct device_attribute *attr,
> return err ? : count;
> }
>
> +#define TEMP_REG(_name, _high, _low) \
> + SENSOR_DEVICE_ATTR_2(_name, S_IRUGO | S_IWUSR, \
> + show_temp, store_temp, _high, _low)
> +
Please drop those macros and use SENSOR_DEVICE_ATTR.. directly.
> static ssize_t show_fan(struct device *dev, struct device_attribute *attr,
> char *buf)
> {
> @@ -890,11 +898,44 @@ static struct attribute_group nct7802_pwm_group = {
> .attrs = nct7802_pwm_attrs,
> };
>
> +/* 7.2.115... 0x80-0x83, 0x84 Temperature (X-axis) transition */
> +static TEMP_REG(auto_point1_temp, 0x80, 0);
> +static TEMP_REG(auto_point2_temp, 0x81, 0);
> +static TEMP_REG(auto_point3_temp, 0x82, 0);
> +static TEMP_REG(auto_point4_temp, 0x83, 0);
> +static TEMP_REG(auto_point_crit_temp, 0x84, 0);
I am not really happy with the crit_temp attribute.
Usually we have just gave this another index, ie point5_temp.
Your code is missing the other two tables at register addresses 0x90+
and 0xa0+. Any reason for not including those ?
It might be better to use the attribute names we have used in other
drivers, ie pwm[123]_auto_point[1-5]_pwm and pwm[1-3]_auto_point[1-5]_temp
and support the other two tables as well. One option for the critical
pwm value might be to make it read-only and always report it as 255
for consistency.
Thanks,
Guenter
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