C++ (Cpp) mipi_dsi_register_driver Beispiele

Beispiel #1

static int __init mipi_dsi_driver_init(void)
{
	int ret;

	amp_pclk = clk_get(NULL, "amp_pclk");
	if (IS_ERR(amp_pclk)) {
		printk(KERN_ERR "can't find amp_pclk\n");
		return PTR_ERR(amp_pclk);
	}

	dsi_m_pclk = clk_get(NULL, "dsi_m_pclk");
	if (IS_ERR(dsi_m_pclk)) {
		printk(KERN_ERR "can't find dsi_m_pclk\n");
		return PTR_ERR(dsi_m_pclk);
	}

	dsi_byte_div_clk = clk_get(NULL, "dsi_byte_div_clk");
	if (IS_ERR(dsi_byte_div_clk)) {
		printk(KERN_ERR "can't find dsi_byte_div_clk\n");
		return PTR_ERR(dsi_byte_div_clk);
	}


	dsi_esc_clk = clk_get(NULL, "dsi_esc_clk");
	if (IS_ERR(dsi_esc_clk)) {
		printk(KERN_ERR "can't find dsi_byte_div_clk\n");
		return PTR_ERR(dsi_byte_div_clk);
	}

	ret = mipi_dsi_register_driver();

	device_initialize(&dsi_dev);

	if (ret) {
		clk_disable(amp_pclk);
		clk_put(amp_pclk);
		clk_disable(dsi_m_pclk);
		clk_put(dsi_m_pclk);
		clk_disable(dsi_byte_div_clk);
		clk_put(dsi_byte_div_clk);
		clk_disable(dsi_esc_clk);
		clk_put(dsi_esc_clk);
		printk(KERN_ERR "mipi_dsi_register_driver() failed!\n");
		return ret;
	}

	return ret;
}

Beispiel #2

static int __init mipi_dsi_driver_init(void)
{
	int ret;

	mipi_dsi_init();

	ret = mipi_dsi_register_driver();

	device_initialize(&dsi_dev);

	if (ret) {
		pr_err("mipi_dsi_register_driver() failed!\n");
		return ret;
	}

	return ret;
}