Ejemplo n.º 1
0
int bttv_gpio_enable(unsigned int card, unsigned long mask, unsigned long data)
{
	struct bttv *btv;

	if (card >= bttv_num) {
		return -EINVAL;
	}

	btv = &bttvs[card];
	gpio_inout(mask,data);
	if (bttv_gpio)
		bttv_gpio_tracking(btv,"extern enable");
	return 0;
}
Ejemplo n.º 2
0
int bttv_gpio_enable(unsigned int card, unsigned long mask, unsigned long data)
{
	struct bttv *btv;

	if (card >= bttv_num) {
		return -EINVAL;
	}
	
	btv = &bttvs[card];
	btaor(data, ~mask, BT848_GPIO_OUT_EN);
	if (bttv_gpio)
		bttv_gpio_tracking(btv,"extern enable");
	return 0;
}
Ejemplo n.º 3
0
int bttv_write_gpio(unsigned int card, unsigned long mask, unsigned long data)
{
	struct bttv *btv;

	if (card >= bttv_num) {
		return -EINVAL;
	}

	btv = &bttvs[card];

/* prior setting BT848_GPIO_REG_INP is (probably) not needed
   because direct input is set on init */
	gpio_bits(mask,data);
	if (bttv_gpio)
		bttv_gpio_tracking(btv,"extern write");
	return 0;
}