C++ (Cpp) s6e8ax0_read_id Exemples

Exemple #1

Fichier : s3cfb_s6e8aa0.c Projet : android-armv7a-belalang-tempur/android_kernel_samsung_smdk4210-1

static int s6e8ax0_probe(struct device *dev)
{
	int ret = 0;
	struct lcd_info *lcd;
#ifdef SMART_DIMMING
	u8 mtp_data[LDI_MTP_LENGTH] = {0,};
#endif

	lcd = kzalloc(sizeof(struct lcd_info), GFP_KERNEL);
	if (!lcd) {
		pr_err("failed to allocate for lcd\n");
		ret = -ENOMEM;
		goto err_alloc;
	}

	g_lcd = lcd;

	lcd->ld = lcd_device_register("panel", dev, lcd, &s6e8ax0_lcd_ops);
	if (IS_ERR(lcd->ld)) {
		pr_err("failed to register lcd device\n");
		ret = PTR_ERR(lcd->ld);
		goto out_free_lcd;
	}

	lcd->bd = backlight_device_register("panel", dev, lcd, &s6e8ax0_backlight_ops, NULL);
	if (IS_ERR(lcd->bd)) {
		pr_err("failed to register backlight device\n");
		ret = PTR_ERR(lcd->bd);
		goto out_free_backlight;
	}

	lcd->dev = dev;
	lcd->dsim = (struct dsim_global *)dev_get_drvdata(dev->parent);
	lcd->bd->props.max_brightness = MAX_BRIGHTNESS;
	lcd->bd->props.brightness = DEFAULT_BRIGHTNESS;
	lcd->bl = DEFAULT_GAMMA_LEVEL;
	lcd->current_bl = lcd->bl;

	lcd->acl_enable = 0;
	lcd->siop_enable = 0;
	lcd->current_acl = 0;

	lcd->power = FB_BLANK_UNBLANK;
	lcd->ldi_enable = 1;
	lcd->connected = 1;
	lcd->auto_brightness = 0;

	ret = device_create_file(&lcd->ld->dev, &dev_attr_power_reduce);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	ret = device_create_file(&lcd->ld->dev, &dev_attr_siop_enable);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	ret = device_create_file(&lcd->ld->dev, &dev_attr_lcd_type);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	ret = device_create_file(&lcd->ld->dev, &dev_attr_gamma_table);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	ret = device_create_file(&lcd->ld->dev, &dev_attr_read_acl);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	ret = device_create_file(&lcd->bd->dev, &dev_attr_auto_brightness);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	dev_set_drvdata(dev, lcd);

	mutex_init(&lcd->lock);
	mutex_init(&lcd->bl_lock);

	s6e8ax0_read_id(lcd, lcd->id);

	dev_info(&lcd->ld->dev, "ID: %x, %x, %x\n", lcd->id[0], lcd->id[1], lcd->id[2]);

	dev_info(&lcd->ld->dev, "s6e8aa0 lcd panel driver has been probed.\n");

#ifdef SMART_DIMMING
	s6e8aa0_check_id(lcd, lcd->id);

	init_table_info(&lcd->smart);

	ret = s6e8ax0_read_mtp(lcd, mtp_data);
	if (!ret) {
		printk(KERN_ERR "[LCD:ERROR] : %s read mtp failed\n", __func__);
		/*return -EPERM;*/
	}

	calc_voltage_table(&lcd->smart, mtp_data);

	if (lcd->support_elvss)
		ret = init_elvss_table(lcd);
	else {
		lcd->elvss_table = (unsigned char **)ELVSS_TABLE;
		ret = 0;
	}

	ret += init_gamma_table(lcd);

#ifdef CONFIG_AID_DIMMING
	if (lcd->id[1] == 0x20 || lcd->id[1] == 0x40 || lcd->id[1] == 0x60) {
		printk(KERN_INFO "AID Dimming is started. %d\n", lcd->id[1]);
		lcd->support_aid = 1;
		ret += init_aid_dimming_table(lcd);
	}
#endif

	if (ret) {
		printk(KERN_ERR "gamma table generation is failed\n");
		lcd->gamma_table = (unsigned char **)gamma22_table;
		lcd->elvss_table = (unsigned char **)ELVSS_TABLE;
	}

	update_brightness(lcd, 1);
#endif

#if defined(GPIO_OLED_DET)
	if (lcd->connected) {
		INIT_DELAYED_WORK(&lcd->oled_detection, oled_detection_work);

		lcd->irq = gpio_to_irq(GPIO_OLED_DET);

		s3c_gpio_cfgpin(GPIO_OLED_DET, S3C_GPIO_SFN(0xf));
		s3c_gpio_setpull(GPIO_OLED_DET, S3C_GPIO_PULL_NONE);
		if (request_irq(lcd->irq, oled_detection_int,
			IRQF_TRIGGER_FALLING, "oled_detection", lcd))
			pr_err("failed to reqeust irq. %d\n", lcd->irq);
	}
#endif

	lcd_early_suspend = s6e8ax0_early_suspend;
	lcd_late_resume = s6e8ax0_late_resume;

	return 0;

out_free_backlight:
	lcd_device_unregister(lcd->ld);
	kfree(lcd);
	return ret;

out_free_lcd:
	kfree(lcd);
	return ret;

err_alloc:
	return ret;
}

Exemple #2

static int s6e8ax0_probe(struct device *dev)
{
	int ret = 0;
	struct lcd_info *lcd;
	u8 mtp_data[LDI_MTP_LENGTH] = {0,};

	lcd = kzalloc(sizeof(struct lcd_info), GFP_KERNEL);
	if (!lcd) {
		pr_err("failed to allocate for lcd\n");
		ret = -ENOMEM;
		goto err_alloc;
	}

	g_lcd = lcd;

	lcd->ld = lcd_device_register("panel", dev, lcd, &s6e8ax0_lcd_ops);
	if (IS_ERR(lcd->ld)) {
		pr_err("failed to register lcd device\n");
		ret = PTR_ERR(lcd->ld);
		goto out_free_lcd;
	}

	lcd->bd = backlight_device_register("panel", dev, lcd, &s6e8ax0_backlight_ops, NULL);
	if (IS_ERR(lcd->bd)) {
		pr_err("failed to register backlight device\n");
		ret = PTR_ERR(lcd->bd);
		goto out_free_backlight;
	}

	lcd->dev = dev;
	lcd->dsim = (struct dsim_global *)dev_get_drvdata(dev->parent);
	lcd->bd->props.max_brightness = MAX_BRIGHTNESS;
	lcd->bd->props.brightness = DEFAULT_BRIGHTNESS;
	lcd->bl = DEFAULT_GAMMA_LEVEL;
	lcd->current_bl = lcd->bl;

	lcd->acl_enable = 0;
	lcd->cur_acl = 0;

	lcd->power = FB_BLANK_UNBLANK;
	lcd->ldi_enable = 1;
	lcd->connected = 1;
	lcd->auto_brightness = 0;

	ret = device_create_file(&lcd->ld->dev, &dev_attr_power_reduce);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	ret = device_create_file(&lcd->ld->dev, &dev_attr_lcd_type);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	ret = device_create_file(&lcd->bd->dev, &dev_attr_auto_brightness);
	if (ret < 0)
		dev_err(&lcd->ld->dev, "failed to add sysfs entries, %d\n", __LINE__);

	dev_set_drvdata(dev, lcd);

	mutex_init(&lcd->lock);
	mutex_init(&lcd->bl_lock);

	s6e8ax0_read_id(lcd, lcd->id);

	dev_info(&lcd->ld->dev, "ID: %x, %x, %x\n", lcd->id[0], lcd->id[1], lcd->id[2]);

	dev_info(&lcd->ld->dev, "lcd panel driver has been probed.\n");

	return 0;

out_free_backlight:
	lcd_device_unregister(lcd->ld);
	kfree(lcd);
	return ret;

out_free_lcd:
	kfree(lcd);
	return ret;

err_alloc:
	return ret;
}