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path: root/drivers/video/backlight
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Diffstat (limited to 'drivers/video/backlight')
-rw-r--r--drivers/video/backlight/l4f00242t03.c10
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/video/backlight/l4f00242t03.c b/drivers/video/backlight/l4f00242t03.c
index 5d25743bf8e2..1fcaaf3d78e1 100644
--- a/drivers/video/backlight/l4f00242t03.c
+++ b/drivers/video/backlight/l4f00242t03.c
@@ -134,10 +134,12 @@ static int l4f00242t03_lcd_power_set(struct lcd_device *ld, int power)
}
} else {
/* power == FB_BLANK_POWERDOWN */
- /* Clear the screen before shutting down */
- spi_write(spi, (const u8 *)&disoff, sizeof(u16));
- msleep(60);
- l4f00242t03_lcd_powerdown(spi);
+ if (priv->lcd_state != FB_BLANK_POWERDOWN) {
+ /* Clear the screen before shutting down */
+ spi_write(spi, (const u8 *)&disoff, sizeof(u16));
+ msleep(60);
+ l4f00242t03_lcd_powerdown(spi);
+ }
}
priv->lcd_state = power;