GPIO_V2_LINE_NUM_ATTRS_MAX
if (lc->num_attrs > GPIO_V2_LINE_NUM_ATTRS_MAX)
unused_attrs = GPIO_V2_LINE_NUM_ATTRS_MAX - lc->num_attrs;
struct gpio_v2_line_config_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX];
struct gpio_v2_line_attribute attrs[GPIO_V2_LINE_NUM_ATTRS_MAX];