diff options
Diffstat (limited to 'drivers/video/backlight/omap1_bl.c')
-rw-r--r-- | drivers/video/backlight/omap1_bl.c | 47 |
1 files changed, 18 insertions, 29 deletions
diff --git a/drivers/video/backlight/omap1_bl.c b/drivers/video/backlight/omap1_bl.c index 69a49384b3..e461e19231 100644 --- a/drivers/video/backlight/omap1_bl.c +++ b/drivers/video/backlight/omap1_bl.c @@ -9,7 +9,6 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/platform_device.h> -#include <linux/fb.h> #include <linux/backlight.h> #include <linux/slab.h> #include <linux/platform_data/omap1_bl.h> @@ -20,7 +19,7 @@ #define OMAPBL_MAX_INTENSITY 0xff struct omap_backlight { - int powermode; + bool enabled; int current_intensity; struct device *dev; @@ -37,24 +36,14 @@ static inline void omapbl_send_enable(int enable) omap_writeb(enable, OMAP_PWL_CLK_ENABLE); } -static void omapbl_blank(struct omap_backlight *bl, int mode) +static void omapbl_enable(struct omap_backlight *bl, bool enable) { - if (bl->pdata->set_power) - bl->pdata->set_power(bl->dev, mode); - - switch (mode) { - case FB_BLANK_NORMAL: - case FB_BLANK_VSYNC_SUSPEND: - case FB_BLANK_HSYNC_SUSPEND: - case FB_BLANK_POWERDOWN: - omapbl_send_intensity(0); - omapbl_send_enable(0); - break; - - case FB_BLANK_UNBLANK: + if (enable) { omapbl_send_intensity(bl->current_intensity); omapbl_send_enable(1); - break; + } else { + omapbl_send_intensity(0); + omapbl_send_enable(0); } } @@ -64,7 +53,7 @@ static int omapbl_suspend(struct device *dev) struct backlight_device *bl_dev = dev_get_drvdata(dev); struct omap_backlight *bl = bl_get_data(bl_dev); - omapbl_blank(bl, FB_BLANK_POWERDOWN); + omapbl_enable(bl, false); return 0; } @@ -73,33 +62,34 @@ static int omapbl_resume(struct device *dev) struct backlight_device *bl_dev = dev_get_drvdata(dev); struct omap_backlight *bl = bl_get_data(bl_dev); - omapbl_blank(bl, bl->powermode); + omapbl_enable(bl, bl->enabled); return 0; } #endif -static int omapbl_set_power(struct backlight_device *dev, int state) +static void omapbl_set_enabled(struct backlight_device *dev, bool enable) { struct omap_backlight *bl = bl_get_data(dev); - omapbl_blank(bl, state); - bl->powermode = state; - - return 0; + omapbl_enable(bl, enable); + bl->enabled = enable; } static int omapbl_update_status(struct backlight_device *dev) { struct omap_backlight *bl = bl_get_data(dev); + bool enable; if (bl->current_intensity != dev->props.brightness) { - if (bl->powermode == FB_BLANK_UNBLANK) + if (bl->enabled) omapbl_send_intensity(dev->props.brightness); bl->current_intensity = dev->props.brightness; } - if (dev->props.fb_blank != bl->powermode) - omapbl_set_power(dev, dev->props.fb_blank); + enable = !backlight_is_blank(dev); + + if (enable != bl->enabled) + omapbl_set_enabled(dev, enable); return 0; } @@ -139,7 +129,7 @@ static int omapbl_probe(struct platform_device *pdev) if (IS_ERR(dev)) return PTR_ERR(dev); - bl->powermode = FB_BLANK_POWERDOWN; + bl->enabled = false; bl->current_intensity = 0; bl->pdata = pdata; @@ -149,7 +139,6 @@ static int omapbl_probe(struct platform_device *pdev) omap_cfg_reg(PWL); /* Conflicts with UART3 */ - dev->props.fb_blank = FB_BLANK_UNBLANK; dev->props.brightness = pdata->default_intensity; omapbl_update_status(dev); |