Lines Matching defs:buf
74 char *buf)
81 rc = sprintf(buf, "%d\n", ld->ops->get_power(ld));
90 struct device_attribute *attr, const char *buf, size_t count)
96 rc = kstrtoul(buf, 0, &power);
115 struct device_attribute *attr, char *buf)
122 rc = sprintf(buf, "%d\n", ld->ops->get_contrast(ld));
129 struct device_attribute *attr, const char *buf, size_t count)
135 rc = kstrtoul(buf, 0, &contrast);
154 struct device_attribute *attr, char *buf)
158 return sprintf(buf, "%d\n", ld->props.max_contrast);