Merge tag 'backlight-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight driver updates from Lee Jones:
 "Changes to existing drivers:
   - Checkpatch fixes
   - Removal of unused code in generic_bl
   - Removal of superfluous .owner attribute

  No new or removed drivers/supported devices"

* tag 'backlight-for-linus-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: omap1: add blank line after declarations
  backlight: jornada720: Remove 'else' after a return
  backlight: jornada720: Remove 'else' after a return
  backlight: wm831x_bl: Add blank line after declarations
  backlight: tdo24m: Add blank line after declarations
  backlight: s6e63m0: Remove 'else' after a return
  backlight: pcf50633: Add blank line after declarations
  backlight: lp855x: Add blank line after declarations
  backlight: lms501kf03: Remove 'else' after a return
  backlight: lm3639: Remove unnecessary return statements
  backlight: ld9040: Remove 'else' after a return
  backlight: ili922x: Remove 'else' after a return
  backlight: cr_bllcd: Add blank line after declarations
  backlight: corgi_lcd: Add blank line after declarations
  backlight: ams369fg06: Remove 'else' after a return
  backlight: adp8870: Add blank line after declarations
  backlight: adp8860: Add blank line after declarations
  backlight: adp5520: Add blank line after declarations
  backlight: generic_bl: Remove unused function
  backlight: Remove .owner field for drivers using module_platform_driver

34 files changed, 45 insertions, 68 deletions

diff --git a/drivers/video/backlight/88pm860x_bl.c b/drivers/video/backlight/88pm860x_bl.c
index a6f7cc0..9a23698 100644
--- a/drivers/video/backlight/88pm860x_bl.c
+++ b/drivers/video/backlight/88pm860x_bl.c
@@ -265,7 +265,6 @@ static int pm860x_backlight_probe(struct platform_device *pdev)
 static struct platform_driver pm860x_backlight_driver = {
 	.driver		= {
 		.name	= "88pm860x-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= pm860x_backlight_probe,
 };
diff --git a/drivers/video/backlight/aat2870_bl.c b/drivers/video/backlight/aat2870_bl.c
index 86234c3..50774e6 100644
--- a/drivers/video/backlight/aat2870_bl.c
+++ b/drivers/video/backlight/aat2870_bl.c
@@ -211,7 +211,6 @@ static int aat2870_bl_remove(struct platform_device *pdev)
 static struct platform_driver aat2870_bl_driver = {
 	.driver = {
 		.name	= "aat2870-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= aat2870_bl_probe,
 	.remove		= aat2870_bl_remove,
diff --git a/drivers/video/backlight/adp5520_bl.c b/drivers/video/backlight/adp5520_bl.c
index f37097a..dd88ba1 100644
--- a/drivers/video/backlight/adp5520_bl.c
+++ b/drivers/video/backlight/adp5520_bl.c
@@ -67,6 +67,7 @@ static int adp5520_bl_set(struct backlight_device *bl, int brightness)
 static int adp5520_bl_update_status(struct backlight_device *bl)
 {
 	int brightness = bl->props.brightness;
+
 	if (bl->props.power != FB_BLANK_UNBLANK)
 		brightness = 0;
 
@@ -374,7 +375,6 @@ static SIMPLE_DEV_PM_OPS(adp5520_bl_pm_ops, adp5520_bl_suspend,
 static struct platform_driver adp5520_bl_driver = {
 	.driver		= {
 		.name	= "adp5520-backlight",
-		.owner	= THIS_MODULE,
 		.pm	= &adp5520_bl_pm_ops,
 	},
 	.probe		= adp5520_bl_probe,
diff --git a/drivers/video/backlight/adp8860_bl.c b/drivers/video/backlight/adp8860_bl.c
index be8d83d..71147f4 100644
--- a/drivers/video/backlight/adp8860_bl.c
+++ b/drivers/video/backlight/adp8860_bl.c
@@ -181,6 +181,7 @@ static int adp8860_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask
 static void adp8860_led_work(struct work_struct *work)
 {
 	struct adp8860_led *led = container_of(work, struct adp8860_led, work);
+
 	adp8860_write(led->client, ADP8860_ISC1 - led->id + 1,
 			 led->new_brightness >> 1);
 }
@@ -362,6 +363,7 @@ static int adp8860_bl_set(struct backlight_device *bl, int brightness)
 static int adp8860_bl_update_status(struct backlight_device *bl)
 {
 	int brightness = bl->props.brightness;
+
 	if (bl->props.power != FB_BLANK_UNBLANK)
 		brightness = 0;
 
@@ -499,6 +501,7 @@ static ssize_t adp8860_bl_l1_daylight_max_store(struct device *dev,
 {
 	struct adp8860_bl *data = dev_get_drvdata(dev);
 	int ret = kstrtoul(buf, 10, &data->cached_daylight_max);
+
 	if (ret)
 		return ret;
 
diff --git a/drivers/video/backlight/adp8870_bl.c b/drivers/video/backlight/adp8870_bl.c
index 251af4d..037e430 100644
--- a/drivers/video/backlight/adp8870_bl.c
+++ b/drivers/video/backlight/adp8870_bl.c
@@ -144,6 +144,7 @@ static int adp8870_read(struct i2c_client *client, int reg, uint8_t *val)
 static int adp8870_write(struct i2c_client *client, u8 reg, u8 val)
 {
 	int ret = i2c_smbus_write_byte_data(client, reg, val);
+
 	if (ret)
 		dev_err(&client->dev, "failed to write\n");
 
@@ -195,6 +196,7 @@ static int adp8870_clr_bits(struct i2c_client *client, int reg, uint8_t bit_mask
 static void adp8870_led_work(struct work_struct *work)
 {
 	struct adp8870_led *led = container_of(work, struct adp8870_led, work);
+
 	adp8870_write(led->client, ADP8870_ISC1 + led->id - 1,
 			 led->new_brightness >> 1);
 }
@@ -399,6 +401,7 @@ static int adp8870_bl_set(struct backlight_device *bl, int brightness)
 static int adp8870_bl_update_status(struct backlight_device *bl)
 {
 	int brightness = bl->props.brightness;
+
 	if (bl->props.power != FB_BLANK_UNBLANK)
 		brightness = 0;
 
@@ -649,6 +652,7 @@ static ssize_t adp8870_bl_l1_daylight_max_store(struct device *dev,
 {
 	struct adp8870_bl *data = dev_get_drvdata(dev);
 	int ret = kstrtoul(buf, 10, &data->cached_daylight_max);
+
 	if (ret)
 		return ret;
 
diff --git a/drivers/video/backlight/ams369fg06.c b/drivers/video/backlight/ams369fg06.c
index 4726c8b..5f897f9 100644
--- a/drivers/video/backlight/ams369fg06.c
+++ b/drivers/video/backlight/ams369fg06.c
@@ -325,11 +325,11 @@ static int ams369fg06_power_on(struct ams369fg06 *lcd)
 	if (!pd->reset) {
 		dev_err(lcd->dev, "reset is NULL.\n");
 		return -EINVAL;
-	} else {
-		pd->reset(lcd->ld);
-		msleep(pd->reset_delay);
 	}
 
+	pd->reset(lcd->ld);
+	msleep(pd->reset_delay);
+
 	ret = ams369fg06_ldi_init(lcd);
 	if (ret) {
 		dev_err(lcd->dev, "failed to initialize ldi.\n");
diff --git a/drivers/video/backlight/as3711_bl.c b/drivers/video/backlight/as3711_bl.c
index bb1fc45..734a915 100644
--- a/drivers/video/backlight/as3711_bl.c
+++ b/drivers/video/backlight/as3711_bl.c
@@ -467,7 +467,6 @@ static int as3711_backlight_probe(struct platform_device *pdev)
 static struct platform_driver as3711_backlight_driver = {
 	.driver		= {
 		.name	= "as3711-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= as3711_backlight_probe,
 };
diff --git a/drivers/video/backlight/corgi_lcd.c b/drivers/video/backlight/corgi_lcd.c
index 51d18d6..d7c37a8 100644
--- a/drivers/video/backlight/corgi_lcd.c
+++ b/drivers/video/backlight/corgi_lcd.c
@@ -143,6 +143,7 @@ static void lcdtg_i2c_send_byte(struct corgi_lcd *lcd,
 				uint8_t base, uint8_t data)
 {
 	int i;
+
 	for (i = 0; i < 8; i++) {
 		if (data & 0x80)
 			lcdtg_i2c_send_bit(lcd, base | POWER0_COM_DOUT);
diff --git a/drivers/video/backlight/cr_bllcd.c b/drivers/video/backlight/cr_bllcd.c
index f3fed9e..3e3880f 100644
--- a/drivers/video/backlight/cr_bllcd.c
+++ b/drivers/video/backlight/cr_bllcd.c
@@ -235,6 +235,7 @@ static int cr_backlight_probe(struct platform_device *pdev)
 static int cr_backlight_remove(struct platform_device *pdev)
 {
 	struct cr_panel *crp = platform_get_drvdata(pdev);
+
 	crp->cr_backlight_device->props.power = FB_BLANK_POWERDOWN;
 	crp->cr_backlight_device->props.brightness = 0;
 	crp->cr_backlight_device->props.max_brightness = 0;
diff --git a/drivers/video/backlight/da903x_bl.c b/drivers/video/backlight/da903x_bl.c
index 12c5d84..f793738 100644
--- a/drivers/video/backlight/da903x_bl.c
+++ b/drivers/video/backlight/da903x_bl.c
@@ -162,7 +162,6 @@ static int da903x_backlight_probe(struct platform_device *pdev)
 static struct platform_driver da903x_backlight_driver = {
 	.driver		= {
 		.name	= "da903x-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= da903x_backlight_probe,
 };
diff --git a/drivers/video/backlight/da9052_bl.c b/drivers/video/backlight/da9052_bl.c
index 20d55be..d4bd74bd 100644
--- a/drivers/video/backlight/da9052_bl.c
+++ b/drivers/video/backlight/da9052_bl.c
@@ -173,7 +173,6 @@ static struct platform_driver da9052_wled_driver = {
 	.id_table	= da9052_wled_ids,
 	.driver	= {
 		.name	= "da9052-wled",
-		.owner	= THIS_MODULE,
 	},
 };
 
diff --git a/drivers/video/backlight/ep93xx_bl.c b/drivers/video/backlight/ep93xx_bl.c
index 0d1f633..0067931 100644
--- a/drivers/video/backlight/ep93xx_bl.c
+++ b/drivers/video/backlight/ep93xx_bl.c
@@ -128,7 +128,6 @@ static SIMPLE_DEV_PM_OPS(ep93xxbl_pm_ops, ep93xxbl_suspend, ep93xxbl_resume);
 static struct platform_driver ep93xxbl_driver = {
 	.driver		= {
 		.name	= "ep93xx-bl",
-		.owner	= THIS_MODULE,
 		.pm	= &ep93xxbl_pm_ops,
 	},
 	.probe		= ep93xxbl_probe,
diff --git a/drivers/video/backlight/generic_bl.c b/drivers/video/backlight/generic_bl.c
index 5d8d652..67dfb93 100644
--- a/drivers/video/backlight/generic_bl.c
+++ b/drivers/video/backlight/generic_bl.c
@@ -52,24 +52,6 @@ static int genericbl_get_intensity(struct backlight_device *bd)
 	return genericbl_intensity;
 }
 
-/*
- * Called when the battery is low to limit the backlight intensity.
- * If limit==0 clear any limit, otherwise limit the intensity
- */
-void genericbl_limit_intensity(int limit)
-{
-	struct backlight_device *bd = generic_backlight_device;
-
-	mutex_lock(&bd->ops_lock);
-	if (limit)
-		bd->props.state |= GENERICBL_BATTLOW;
-	else
-		bd->props.state &= ~GENERICBL_BATTLOW;
-	backlight_update_status(generic_backlight_device);
-	mutex_unlock(&bd->ops_lock);
-}
-EXPORT_SYMBOL(genericbl_limit_intensity);
-
 static const struct backlight_ops genericbl_ops = {
 	.options = BL_CORE_SUSPENDRESUME,
 	.get_brightness = genericbl_get_intensity,
diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c
index aaead04..439feb2 100644
--- a/drivers/video/backlight/gpio_backlight.c
+++ b/drivers/video/backlight/gpio_backlight.c
@@ -151,7 +151,6 @@ static struct of_device_id gpio_backlight_of_match[] = {
 static struct platform_driver gpio_backlight_driver = {
 	.driver		= {
 		.name		= "gpio-backlight",
-		.owner		= THIS_MODULE,
 		.of_match_table = of_match_ptr(gpio_backlight_of_match),
 	},
 	.probe		= gpio_backlight_probe,
diff --git a/drivers/video/backlight/ili922x.c b/drivers/video/backlight/ili922x.c
index ea67fe1..e7f0890 100644
--- a/drivers/video/backlight/ili922x.c
+++ b/drivers/video/backlight/ili922x.c
@@ -495,17 +495,18 @@ static int ili922x_probe(struct spi_device *spi)
 			"no LCD found: Chip ID 0x%x, ret %d\n",
 			reg, ret);
 		return -ENODEV;
-	} else {
-		dev_info(&spi->dev, "ILI%x found, SPI freq %d, mode %d\n",
-			 reg, spi->max_speed_hz, spi->mode);
 	}
 
+	dev_info(&spi->dev, "ILI%x found, SPI freq %d, mode %d\n",
+		 reg, spi->max_speed_hz, spi->mode);
+
 	ret = ili922x_read_status(spi, &reg);
 	if (ret) {
 		dev_err(&spi->dev, "reading RS failed...\n");
 		return ret;
-	} else
-		dev_dbg(&spi->dev, "status: 0x%x\n", reg);
+	}
+
+	dev_dbg(&spi->dev, "status: 0x%x\n", reg);
 
 	ili922x_display_init(spi);
 
diff --git a/drivers/video/backlight/jornada720_bl.c b/drivers/video/backlight/jornada720_bl.c
index 6ce96b4..7e6ff53 100644
--- a/drivers/video/backlight/jornada720_bl.c
+++ b/drivers/video/backlight/jornada720_bl.c
@@ -41,11 +41,11 @@ static int jornada_bl_get_brightness(struct backlight_device *bd)
 		dev_err(&bd->dev, "get brightness timeout\n");
 		jornada_ssp_end();
 		return -ETIMEDOUT;
-	} else {
-		/* exchange txdummy for value */
-		ret = jornada_ssp_byte(TXDUMMY);
 	}
 
+	/* exchange txdummy for value */
+	ret = jornada_ssp_byte(TXDUMMY);
+
 	jornada_ssp_end();
 
 	return BL_MAX_BRIGHT - ret;
diff --git a/drivers/video/backlight/jornada720_lcd.c b/drivers/video/backlight/jornada720_lcd.c
index 228bc31..dfa0fa0 100644
--- a/drivers/video/backlight/jornada720_lcd.c
+++ b/drivers/video/backlight/jornada720_lcd.c
@@ -27,11 +27,7 @@
 
 static int jornada_lcd_get_power(struct lcd_device *ld)
 {
-	/* LDD2 in PPC = LCD POWER */
-	if (PPSR & PPC_LDD2)
-		return FB_BLANK_UNBLANK;	/* PW ON */
-	else
-		return FB_BLANK_POWERDOWN;	/* PW OFF */
+	return PPSR & PPC_LDD2 ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
 }
 
 static int jornada_lcd_get_contrast(struct lcd_device *ld)
diff --git a/drivers/video/backlight/ld9040.c b/drivers/video/backlight/ld9040.c
index ccb44e8..f71eaf1 100644
--- a/drivers/video/backlight/ld9040.c
+++ b/drivers/video/backlight/ld9040.c
@@ -566,11 +566,11 @@ static int ld9040_power_on(struct ld9040 *lcd)
 	if (!pd->reset) {
 		dev_err(lcd->dev, "reset is NULL.\n");
 		return -EINVAL;
-	} else {
-		pd->reset(lcd->ld);
-		msleep(pd->reset_delay);
 	}
 
+	pd->reset(lcd->ld);
+	msleep(pd->reset_delay);
+
 	ret = ld9040_ldi_init(lcd);
 	if (ret) {
 		dev_err(lcd->dev, "failed to initialize ldi.\n");
diff --git a/drivers/video/backlight/lm3533_bl.c b/drivers/video/backlight/lm3533_bl.c
index cff1fbe..0e2337f 100644
--- a/drivers/video/backlight/lm3533_bl.c
+++ b/drivers/video/backlight/lm3533_bl.c
@@ -397,7 +397,6 @@ static void lm3533_bl_shutdown(struct platform_device *pdev)
 static struct platform_driver lm3533_bl_driver = {
 	.driver = {
 		.name	= "lm3533-backlight",
-		.owner	= THIS_MODULE,
 		.pm	= &lm3533_bl_pm_ops,
 	},
 	.probe		= lm3533_bl_probe,
diff --git a/drivers/video/backlight/lm3639_bl.c b/drivers/video/backlight/lm3639_bl.c
index 5f36808..cd50df5 100644
--- a/drivers/video/backlight/lm3639_bl.c
+++ b/drivers/video/backlight/lm3639_bl.c
@@ -254,7 +254,6 @@ static void lm3639_torch_brightness_set(struct led_classdev *cdev,
 	return;
 out:
 	dev_err(pchip->dev, "i2c failed to access register\n");
-	return;
 }
 
 /* flash */
@@ -293,7 +292,6 @@ static void lm3639_flash_brightness_set(struct led_classdev *cdev,
 	return;
 out:
 	dev_err(pchip->dev, "i2c failed to access register\n");
-	return;
 }
 
 static const struct regmap_config lm3639_regmap = {
diff --git a/drivers/video/backlight/lms501kf03.c b/drivers/video/backlight/lms501kf03.c
index 77258b7..7e38103 100644
--- a/drivers/video/backlight/lms501kf03.c
+++ b/drivers/video/backlight/lms501kf03.c
@@ -232,19 +232,19 @@ static int lms501kf03_power_on(struct lms501kf03 *lcd)
 	if (!pd->power_on) {
 		dev_err(lcd->dev, "power_on is NULL.\n");
 		return -EINVAL;
-	} else {
-		pd->power_on(lcd->ld, 1);
-		msleep(pd->power_on_delay);
 	}
 
+	pd->power_on(lcd->ld, 1);
+	msleep(pd->power_on_delay);
+
 	if (!pd->reset) {
 		dev_err(lcd->dev, "reset is NULL.\n");
 		return -EINVAL;
-	} else {
-		pd->reset(lcd->ld);
-		msleep(pd->reset_delay);
 	}
 
+	pd->reset(lcd->ld);
+	msleep(pd->reset_delay);
+
 	ret = lms501kf03_ldi_init(lcd);
 	if (ret) {
 		dev_err(lcd->dev, "failed to initialize ldi.\n");
diff --git a/drivers/video/backlight/lp855x_bl.c b/drivers/video/backlight/lp855x_bl.c
index dcdd544..25fb8e3 100644
--- a/drivers/video/backlight/lp855x_bl.c
+++ b/drivers/video/backlight/lp855x_bl.c
@@ -268,6 +268,7 @@ static int lp855x_bl_update_status(struct backlight_device *bl)
 
 	} else if (lp->mode == REGISTER_BASED) {
 		u8 val = bl->props.brightness;
+
 		lp855x_write_byte(lp, lp->cfg->reg_brightness, val);
 	}
 
@@ -308,6 +309,7 @@ static ssize_t lp855x_get_chip_id(struct device *dev,
 				struct device_attribute *attr, char *buf)
 {
 	struct lp855x *lp = dev_get_drvdata(dev);
+
 	return scnprintf(buf, PAGE_SIZE, "%s\n", lp->chipname);
 }
 
diff --git a/drivers/video/backlight/lp8788_bl.c b/drivers/video/backlight/lp8788_bl.c
index d6c4f6a..e418d5b 100644
--- a/drivers/video/backlight/lp8788_bl.c
+++ b/drivers/video/backlight/lp8788_bl.c
@@ -315,7 +315,6 @@ static struct platform_driver lp8788_bl_driver = {
 	.remove = lp8788_backlight_remove,
 	.driver = {
 		.name = LP8788_DEV_BACKLIGHT,
-		.owner = THIS_MODULE,
 	},
 };
 module_platform_driver(lp8788_bl_driver);
diff --git a/drivers/video/backlight/max8925_bl.c b/drivers/video/backlight/max8925_bl.c
index 66fa08c..7b738d6 100644
--- a/drivers/video/backlight/max8925_bl.c
+++ b/drivers/video/backlight/max8925_bl.c
@@ -197,7 +197,6 @@ static int max8925_backlight_probe(struct platform_device *pdev)
 static struct platform_driver max8925_backlight_driver = {
 	.driver		= {
 		.name	= "max8925-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= max8925_backlight_probe,
 };
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c
index a0dcd88..546d94d 100644
--- a/drivers/video/backlight/omap1_bl.c
+++ b/drivers/video/backlight/omap1_bl.c
@@ -120,6 +120,7 @@ static int omapbl_update_status(struct backlight_device *dev)
 static int omapbl_get_intensity(struct backlight_device *dev)
 {
 	struct omap_backlight *bl = bl_get_data(dev);
+
 	return bl->current_intensity;
 }
 
diff --git a/drivers/video/backlight/ot200_bl.c b/drivers/video/backlight/ot200_bl.c
index f5a5202..3acdb9f 100644
--- a/drivers/video/backlight/ot200_bl.c
+++ b/drivers/video/backlight/ot200_bl.c
@@ -152,7 +152,6 @@ static int ot200_backlight_remove(struct platform_device *pdev)
 static struct platform_driver ot200_backlight_driver = {
 	.driver		= {
 		.name	= "ot200-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= ot200_backlight_probe,
 	.remove		= ot200_backlight_remove,
diff --git a/drivers/video/backlight/pandora_bl.c b/drivers/video/backlight/pandora_bl.c
index 2e3f820..5d8bb8b 100644
--- a/drivers/video/backlight/pandora_bl.c
+++ b/drivers/video/backlight/pandora_bl.c
@@ -142,7 +142,6 @@ static int pandora_backlight_probe(struct platform_device *pdev)
 static struct platform_driver pandora_backlight_driver = {
 	.driver		= {
 		.name	= "pandora-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= pandora_backlight_probe,
 };
diff --git a/drivers/video/backlight/pcf50633-backlight.c b/drivers/video/backlight/pcf50633-backlight.c
index b95d3b0..85bd573 100644
--- a/drivers/video/backlight/pcf50633-backlight.c
+++ b/drivers/video/backlight/pcf50633-backlight.c
@@ -90,6 +90,7 @@ static int pcf50633_bl_update_status(struct backlight_device *bl)
 static int pcf50633_bl_get_brightness(struct backlight_device *bl)
 {
 	struct pcf50633_bl *pcf_bl = bl_get_data(bl);
+
 	return pcf_bl->brightness;
 }
 
diff --git a/drivers/video/backlight/platform_lcd.c b/drivers/video/backlight/platform_lcd.c
index c3d2e20..872a3bf 100644
--- a/drivers/video/backlight/platform_lcd.c
+++ b/drivers/video/backlight/platform_lcd.c
@@ -148,7 +148,6 @@ MODULE_DEVICE_TABLE(of, platform_lcd_of_match);
 static struct platform_driver platform_lcd_driver = {
 	.driver		= {
 		.name	= "platform-lcd",
-		.owner	= THIS_MODULE,
 		.pm	= &platform_lcd_pm_ops,
 		.of_match_table = of_match_ptr(platform_lcd_of_match),
 	},
diff --git a/drivers/video/backlight/pwm_bl.c b/drivers/video/backlight/pwm_bl.c
index b85983e..cb5ae4c 100644
--- a/drivers/video/backlight/pwm_bl.c
+++ b/drivers/video/backlight/pwm_bl.c
@@ -390,7 +390,6 @@ static const struct dev_pm_ops pwm_backlight_pm_ops = {
 static struct platform_driver pwm_backlight_driver = {
 	.driver		= {
 		.name		= "pwm-backlight",
-		.owner		= THIS_MODULE,
 		.pm		= &pwm_backlight_pm_ops,
 		.of_match_table	= of_match_ptr(pwm_backlight_of_match),
 	},
diff --git a/drivers/video/backlight/s6e63m0.c b/drivers/video/backlight/s6e63m0.c
index f3a65c8..28bfa12 100644
--- a/drivers/video/backlight/s6e63m0.c
+++ b/drivers/video/backlight/s6e63m0.c
@@ -507,19 +507,19 @@ static int s6e63m0_power_on(struct s6e63m0 *lcd)
 	if (!pd->power_on) {
 		dev_err(lcd->dev, "power_on is NULL.\n");
 		return -EINVAL;
-	} else {
-		pd->power_on(lcd->ld, 1);
-		msleep(pd->power_on_delay);
 	}
 
+	pd->power_on(lcd->ld, 1);
+	msleep(pd->power_on_delay);
+
 	if (!pd->reset) {
 		dev_err(lcd->dev, "reset is NULL.\n");
 		return -EINVAL;
-	} else {
-		pd->reset(lcd->ld);
-		msleep(pd->reset_delay);
 	}
 
+	pd->reset(lcd->ld);
+	msleep(pd->reset_delay);
+
 	ret = s6e63m0_ldi_init(lcd);
 	if (ret) {
 		dev_err(lcd->dev, "failed to initialize ldi.\n");
diff --git a/drivers/video/backlight/tdo24m.c b/drivers/video/backlight/tdo24m.c
index 908016f..30afce3 100644
--- a/drivers/video/backlight/tdo24m.c
+++ b/drivers/video/backlight/tdo24m.c
@@ -300,12 +300,14 @@ static int tdo24m_power(struct tdo24m *lcd, int power)
 static int tdo24m_set_power(struct lcd_device *ld, int power)
 {
 	struct tdo24m *lcd = lcd_get_data(ld);
+
 	return tdo24m_power(lcd, power);
 }
 
 static int tdo24m_get_power(struct lcd_device *ld)
 {
 	struct tdo24m *lcd = lcd_get_data(ld);
+
 	return lcd->power;
 }
 
diff --git a/drivers/video/backlight/tps65217_bl.c b/drivers/video/backlight/tps65217_bl.c
index 2e04d93..61d72bf 100644
--- a/drivers/video/backlight/tps65217_bl.c
+++ b/drivers/video/backlight/tps65217_bl.c
@@ -323,7 +323,6 @@ static int tps65217_bl_probe(struct platform_device *pdev)
 static struct platform_driver tps65217_bl_driver = {
 	.probe		= tps65217_bl_probe,
 	.driver		= {
-		.owner	= THIS_MODULE,
 		.name	= "tps65217-bl",
 	},
 };
diff --git a/drivers/video/backlight/wm831x_bl.c b/drivers/video/backlight/wm831x_bl.c
index 8b9455e..6eab0d6 100644
--- a/drivers/video/backlight/wm831x_bl.c
+++ b/drivers/video/backlight/wm831x_bl.c
@@ -111,6 +111,7 @@ static int wm831x_backlight_update_status(struct backlight_device *bl)
 static int wm831x_backlight_get_brightness(struct backlight_device *bl)
 {
 	struct wm831x_backlight_data *data = bl_get_data(bl);
+
 	return data->current_brightness;
 }
 
@@ -217,7 +218,6 @@ static int wm831x_backlight_probe(struct platform_device *pdev)
 static struct platform_driver wm831x_backlight_driver = {
 	.driver		= {
 		.name	= "wm831x-backlight",
-		.owner	= THIS_MODULE,
 	},
 	.probe		= wm831x_backlight_probe,
 };