C++ (Cpp) i2c_set_chip_offset_len Examples

Example #1

File: board_detect.c Project: danielschwierzeck/u-boot-lantiq

/**
 * ti_i2c_set_alen - Set chip's i2c address length
 * @bus_addr - I2C bus number
 * @dev_addr - I2C eeprom id
 * @alen     - I2C address length in bytes
 *
 * DM_I2C by default sets the address length to be used to 1. This
 * function allows this address length to be changed to match the
 * eeprom used for board detection.
 */
int __maybe_unused ti_i2c_set_alen(int bus_addr, int dev_addr, int alen)
{
	struct udevice *dev;
	struct udevice *bus;
	int rc;

	rc = uclass_get_device_by_seq(UCLASS_I2C, bus_addr, &bus);
	if (rc)
		return rc;
	rc = i2c_get_chip(bus, dev_addr, 1, &dev);
	if (rc)
		return rc;
	rc = i2c_set_chip_offset_len(dev, alen);
	if (rc)
		return rc;

	return 0;
}

Example #2

File: tpm_tis_st33zp24_i2c.c Project: berte/u-boot

static int st33zp24_i2c_probe(struct udevice *dev)
{
	struct tpm_chip *chip = dev_get_priv(dev);

	/* Default timeouts */
	chip->timeout_a = TIS_SHORT_TIMEOUT_MS;
	chip->timeout_b = TIS_LONG_TIMEOUT_MS;
	chip->timeout_c = TIS_SHORT_TIMEOUT_MS;
	chip->timeout_d = TIS_SHORT_TIMEOUT_MS;

	chip->locality = LOCALITY0;

	i2c_set_chip_offset_len(dev, 0);

	debug("ST33ZP24 I2C TPM from STMicroelectronics found\n");

	return 0;
}