loic/ina260-sysfs-driver
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Loic Guegan 2023-07-12 16:14:26 +02:00
parent 3f3e67f8ed
commit 0b4b81e273
1 changed files with 17 additions and 0 deletions
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17
ina260.c
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@ -233,6 +233,23 @@ static int ina260_set_register_3bits(struct client_data *cdata, unsigned char re
return -EINVAL; return -EINVAL;
} }
static int ina260_set_register_1bit(struct client_data *cdata, unsigned char reg, unsigned char n, int bit){
int mask, value;
if(bit==0 || bit == 1){
if(ina260_read_register(cdata,reg,&value)){
return 1;
}
mask=~(1<< n);
value &= mask; // clear bits
value |= bit << n;
if(ina260_write_register(cdata,reg,value)){
return 1;
}
return 0;
}
return -EINVAL;
}
static ssize_t attr_field_store(struct kobject *_kobj, static ssize_t attr_field_store(struct kobject *_kobj,
struct kobj_attribute *attr, struct kobj_attribute *attr,
const char *buf, size_t count) const char *buf, size_t count)