C++ (Cpp) gl861_i2c_xfer Examples

Example #1

File: friio.c Project: romanbb/android_kernel_lge_d851

static int friio_ext_ctl(struct dvb_usb_adapter *adap,
			 u32 sat_color, int lnb_on)
{
	int i;
	int ret;
	struct i2c_msg msg;
	u8 *buf;
	u32 mask;
	u8 lnb = (lnb_on) ? FRIIO_CTL_LNB : 0;

	buf = kmalloc(2, GFP_KERNEL);
	if (!buf)
		return -ENOMEM;

	msg.addr = 0x00;
	msg.flags = 0;
	msg.len = 2;
	msg.buf = buf;

	buf[0] = 0x00;

	/*                         */
	buf[1] = lnb | FRIIO_CTL_LED | FRIIO_CTL_STROBE;
	ret = gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
	buf[1] |= FRIIO_CTL_CLK;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);

	buf[1] = lnb | FRIIO_CTL_STROBE;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
	buf[1] |= FRIIO_CTL_CLK;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);

	/*                                           */
	mask = 1 << 31;
	for (i = 0; i < 32; i++) {
		buf[1] = lnb | FRIIO_CTL_STROBE;
		if (sat_color & mask)
			buf[1] |= FRIIO_CTL_LED;
		ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
		buf[1] |= FRIIO_CTL_CLK;
		ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
		mask >>= 1;
	}

	/*                    */
	buf[1] = lnb;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
	buf[1] |= FRIIO_CTL_CLK;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);

	kfree(buf);
	return (ret == 70);
}

Example #2

File: friio.c Project: OpenStbV4l-dvb/v4l-dvb

static int friio_ext_ctl(struct dvb_usb_adapter *adap,
			 u32 sat_color, int lnb_on)
{
	int i;
	int ret;
	struct i2c_msg msg;
	u8 buf[2];
	u32 mask;
	u8 lnb = (lnb_on) ? FRIIO_CTL_LNB : 0;

	msg.addr = 0x00;
	msg.flags = 0;
	msg.len = 2;
	msg.buf = buf;

	buf[0] = 0x00;

	/* send 2bit header (&B10) */
	buf[1] = lnb | FRIIO_CTL_LED | FRIIO_CTL_STROBE;
	ret = gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
	buf[1] |= FRIIO_CTL_CLK;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);

	buf[1] = lnb | FRIIO_CTL_STROBE;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
	buf[1] |= FRIIO_CTL_CLK;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);

	/* send 32bit(satur, R, G, B) data in serial */
	mask = 1 << 31;
	for (i = 0; i < 32; i++) {
		buf[1] = lnb | FRIIO_CTL_STROBE;
		if (sat_color & mask)
			buf[1] |= FRIIO_CTL_LED;
		ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
		buf[1] |= FRIIO_CTL_CLK;
		ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
		mask >>= 1;
	}

	/* set the strobe off */
	buf[1] = lnb;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);
	buf[1] |= FRIIO_CTL_CLK;
	ret += gl861_i2c_xfer(&adap->dev->i2c_adap, &msg, 1);

	return (ret == 70);
}