loic/ina260-sysfs-driver
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This commit is contained in:
Loic Guegan 2023-08-15 11:09:24 +02:00
parent 407619c860
commit ec8bd3d7a1
1 changed files with 28 additions and 4 deletions
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32
ina260.c
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@ -80,7 +80,7 @@ struct client_data {
static int ina260_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
u32 attr, int channel, long *val)
{
int rvalue, reg, err;
int rvalue, reg, err, rem;
struct client_data *cdata=dev_get_drvdata(dev);
switch(type){
case hwmon_power:
@ -101,7 +101,7 @@ static int ina260_hwmon_read(struct device *dev, enum hwmon_sensor_types type,
} else if(type == hwmon_power) {
*val=10*rvalue*1000;
} else{
*val=div_u64(rvalue*25,100)+rvalue;
*val=div_u64_rem(rvalue*25,100,&rem)+rvalue+div_u64(rem,10);
}
return 0;
}
@ -131,8 +131,32 @@ INA260_REG_STORE(alert_limit,INA260_REG_ALERTLIMIT)
static umode_t ina260_hwmon_is_visible(const void *drvdata,
enum hwmon_sensor_types type,
u32 attr, int channel){
return 0444;
}
switch (type) {
case hwmon_in:
switch (attr) {
case hwmon_in_input:
return 0444;
default:
return 0;
}
case hwmon_curr:
switch (attr) {
case hwmon_curr_input:
return 0444;
default:
return 0;
}
case hwmon_power:
switch (attr) {
case hwmon_power_input:
return 0444;
default:
return 0;
}
default:
return 0;
}
}
static const struct hwmon_channel_info * ina260_hwmon_info[] = {
HWMON_CHANNEL_INFO(in,HWMON_I_INPUT),
HWMON_CHANNEL_INFO(power,HWMON_P_INPUT),