This pull-request merely contains some very basic build/run-time bug fixes.

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Merge tag 'backlight-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight

Pull backlight fixes from Lee Jones:
 "This merely contains some very basic build/run-time bug fixes"

* tag 'backlight-for-linus-3.16' of git://git.kernel.org/pub/scm/linux/kernel/git/lee/backlight:
  backlight: gpio-backlight: Fix warning when the GPIO is on a I2C chip
  video/backlight: s6e63m0: Fix string type mismatch
  video/backlight: LP8788 needs PWM
  video/backlight: LP855X needs PWM
  video/pxa: LCD_CORGI needs BACKLIGHT_CLASS_DEVICE
  video/backlight: LM3630A needs PWM

drivers/video/backlight/Kconfig

@@ -29,7 +29,7 @@ if LCD_CLASS_DEVICE
 
 config LCD_CORGI
 	tristate "LCD Panel support for SHARP corgi/spitz model"
-	depends on SPI_MASTER && PXA_SHARPSL
+	depends on SPI_MASTER && PXA_SHARPSL && BACKLIGHT_CLASS_DEVICE
 	help
 	  Say y here to support the LCD panels usually found on SHARP
 	  corgi (C7x0) and spitz (Cxx00) models.
@@ -370,7 +370,7 @@ config BACKLIGHT_AAT2870
 
 config BACKLIGHT_LM3630A
 	tristate "Backlight Driver for LM3630A"
-	depends on BACKLIGHT_CLASS_DEVICE && I2C
+	depends on BACKLIGHT_CLASS_DEVICE && I2C && PWM
 	select REGMAP_I2C
 	help
 	  This supports TI LM3630A Backlight Driver
@@ -386,14 +386,14 @@ config BACKLIGHT_LM3639
 
 config BACKLIGHT_LP855X
 	tristate "Backlight driver for TI LP855X"
-	depends on BACKLIGHT_CLASS_DEVICE && I2C
+	depends on BACKLIGHT_CLASS_DEVICE && I2C && PWM
 	help
 	  This supports TI LP8550, LP8551, LP8552, LP8553, LP8555, LP8556 and
 	  LP8557 backlight driver.
 
 config BACKLIGHT_LP8788
 	tristate "Backlight driver for TI LP8788 MFD"
-	depends on BACKLIGHT_CLASS_DEVICE && MFD_LP8788
+	depends on BACKLIGHT_CLASS_DEVICE && MFD_LP8788 && PWM
 	help
 	  This supports TI LP8788 backlight driver.
 

drivers/video/backlight/gpio_backlight.c

@@ -38,7 +38,8 @@ static int gpio_backlight_update_status(struct backlight_device *bl)
 	    bl->props.state & (BL_CORE_SUSPENDED | BL_CORE_FBBLANK))
 		brightness = 0;
 
-	gpio_set_value(gbl->gpio, brightness ? gbl->active : !gbl->active);
+	gpio_set_value_cansleep(gbl->gpio,
+				brightness ? gbl->active : !gbl->active);
 
 	return 0;
 }

drivers/video/backlight/s6e63m0.c

@@ -703,7 +703,7 @@ static ssize_t s6e63m0_sysfs_show_gamma_table(struct device *dev,
 	struct s6e63m0 *lcd = dev_get_drvdata(dev);
 	char temp[3];
 
-	sprintf(temp, "%d\n", lcd->gamma_table_count);
+	sprintf(temp, "%u\n", lcd->gamma_table_count);
 	strcpy(buf, temp);
 
 	return strlen(buf);