Function wait_for_scl

src/device/software_i2c.c:61–70

Waits until SCL goes high. Prints a contextual error message on timeout. */

/* Waits until SCL goes high. Prints a contextual error message on timeout. */
static int wait_for_scl(unsigned int bus, const char *error_context)
{
	if (!__wait(bus, TIMEOUT_US, 1)) {
		printk(BIOS_ERR, "software_i2c(%d): ERROR: Clock stretching "
				 "timeout %s!\n", bus, error_context);
		return ERR_TIMEOUT;
	}

	return 0;
}

static int start_cond(unsigned int bus)
{