diff options
Diffstat (limited to 'drivers/gpu/drm/gma500/psb_device.c')
| -rw-r--r-- | drivers/gpu/drm/gma500/psb_device.c | 73 |
1 files changed, 4 insertions, 69 deletions
diff --git a/drivers/gpu/drm/gma500/psb_device.c b/drivers/gpu/drm/gma500/psb_device.c index 71534f4ca834..3c294c38bdb4 100644 --- a/drivers/gpu/drm/gma500/psb_device.c +++ b/drivers/gpu/drm/gma500/psb_device.c @@ -5,8 +5,6 @@ * **************************************************************************/ -#include <linux/backlight.h> - #include <drm/drm.h> #include "gma_device.h" @@ -24,8 +22,6 @@ static int psb_output_init(struct drm_device *dev) return 0; } -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - /* * Poulsbo Backlight Interfaces */ @@ -41,18 +37,6 @@ static int psb_output_init(struct drm_device *dev) #define PSB_BACKLIGHT_PWM_POLARITY_BIT_CLEAR (0xFFFE) #define PSB_BACKLIGHT_PWM_CTL_SHIFT (16) -static int psb_brightness; -static struct backlight_device *psb_backlight_device; - -static int psb_get_brightness(struct backlight_device *bd) -{ - /* return locally cached var instead of HW read (due to DPST etc.) */ - /* FIXME: ideally return actual value in case firmware fiddled with - it */ - return psb_brightness; -} - - static int psb_backlight_setup(struct drm_device *dev) { struct drm_psb_private *dev_priv = to_drm_psb_private(dev); @@ -86,62 +70,13 @@ static int psb_backlight_setup(struct drm_device *dev) REG_WRITE(BLC_PWM_CTL, (value << PSB_BACKLIGHT_PWM_CTL_SHIFT) | (value)); } - return 0; -} - -static int psb_set_brightness(struct backlight_device *bd) -{ - struct drm_device *dev = bl_get_data(psb_backlight_device); - int level = bd->props.brightness; - - /* Percentage 1-100% being valid */ - if (level < 1) - level = 1; - - psb_intel_lvds_set_brightness(dev, level); - psb_brightness = level; - return 0; -} - -static const struct backlight_ops psb_ops = { - .get_brightness = psb_get_brightness, - .update_status = psb_set_brightness, -}; - -static int psb_backlight_init(struct drm_device *dev) -{ - struct drm_psb_private *dev_priv = to_drm_psb_private(dev); - int ret; - struct backlight_properties props; - - memset(&props, 0, sizeof(struct backlight_properties)); - props.max_brightness = 100; - props.type = BACKLIGHT_PLATFORM; - - psb_backlight_device = backlight_device_register("psb-bl", - NULL, (void *)dev, &psb_ops, &props); - if (IS_ERR(psb_backlight_device)) - return PTR_ERR(psb_backlight_device); - - ret = psb_backlight_setup(dev); - if (ret < 0) { - backlight_device_unregister(psb_backlight_device); - psb_backlight_device = NULL; - return ret; - } - psb_backlight_device->props.brightness = 100; - psb_backlight_device->props.max_brightness = 100; - backlight_update_status(psb_backlight_device); - dev_priv->backlight_device = psb_backlight_device; + psb_intel_lvds_set_brightness(dev, PSB_MAX_BRIGHTNESS); /* This must occur after the backlight is properly initialised */ psb_lid_timer_init(dev_priv); - return 0; } -#endif - /* * Provide the Poulsbo specific chip logic and low level methods * for power management @@ -345,9 +280,9 @@ const struct psb_ops psb_chip_ops = { .output_init = psb_output_init, -#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE - .backlight_init = psb_backlight_init, -#endif + .backlight_init = psb_backlight_setup, + .backlight_set = psb_intel_lvds_set_brightness, + .backlight_name = "psb-bl", .init_pm = psb_init_pm, .save_regs = psb_save_display_registers, |