C++ (Cpp) sx1_i2c_write_byte Exemples

Exemple #1

Fichier : board-sx1.c Projet : 4atty/linux

/* set LCD backlight intensity */
int sx1_setbacklight(u8 backlight)
{
	if (backlight > SOFIA_MAX_LIGHT_VAL)
		backlight = SOFIA_MAX_LIGHT_VAL;
	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_BACKLIGHT_REG,
				  backlight);
}

Exemple #2

Fichier : board-sx1.c Projet : 4atty/linux

/* set USB power on/off */
int sx1_setusbpower(u8 onoff)
{
	int err;
	u8 dat = 0;
	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
	if (err < 0)
		return err;
	if (onoff)
		dat |= SOFIA_USB_POWER;
	else
		dat &= ~SOFIA_USB_POWER;
	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}

Exemple #3

Fichier : board-sx1-mmc.c Projet : CSCLOG/beaglebone

static int mmc_set_power(struct device *dev, int slot, int power_on,
				int vdd)
{
	int err;
	u8 dat = 0;

	err = sx1_i2c_read_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, &dat);
	if (err < 0)
		return err;

	if (power_on)
		dat |= SOFIA_MMC_POWER;
	else
		dat &= ~SOFIA_MMC_POWER;

	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_POWER1_REG, dat);
}

Exemple #4

Fichier : board-sx1.c Projet : 4atty/linux

/* set keyboard backlight intensity */
int sx1_setkeylight(u8 keylight)
{
	if (keylight > SOFIA_MAX_LIGHT_VAL)
		keylight = SOFIA_MAX_LIGHT_VAL;
	return sx1_i2c_write_byte(SOFIA_I2C_ADDR, SOFIA_KEYLIGHT_REG, keylight);
}