int psb_dpst_bl(struct drm_device *dev, void *data)
{
struct drm_psb_private *dev_priv = psb_priv(dev);
uint32_t * arg = data;
struct backlight_device *bd;
bd = psb_get_backlight_device();
if(!dev_priv)
return 0;
if(dev_priv->early_suspended)
return 0;
dpst_print("adjust percentage: %d.%d\n", *arg / 100, *arg % 100);
dev_priv->blc_adj2 = (*arg * 255 / 100) * 255 / 100;
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
mutex_lock(&bd->ops_lock);
bd->props.brightness = psb_get_brightness(bd);
if ( 0 == bd->props.brightness)
{
mutex_unlock(&bd->ops_lock);
return 0;
}
psb_set_brightness(bd);
mutex_unlock(&bd->ops_lock);
#endif /* */
return 0;
}
int psb_dpst_bl(struct drm_device *dev, void *data)
{
struct drm_psb_private *dev_priv = psb_priv(dev);
uint32_t *arg = data;
struct backlight_device bd;
dev_priv->blc_adj2 = *arg;
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
bd.props.brightness = psb_get_brightness(&bd);
psb_set_brightness(&bd);
#endif
return 0;
}
static
void mdfld_dsi_dpi_dpms(struct drm_encoder *encoder, int mode)
{
struct mdfld_dsi_encoder *dsi_encoder;
struct mdfld_dsi_config *dsi_config;
struct drm_device *dev;
struct drm_psb_private *dev_priv;
struct mdfld_dsi_dpi_output *dpi_output;
struct panel_funcs *p_funcs;
dsi_encoder = MDFLD_DSI_ENCODER(encoder);
dsi_config = mdfld_dsi_encoder_get_config(dsi_encoder);
if (!dsi_config) {
DRM_ERROR("dsi_config is NULL\n");
return;
}
dev = dsi_config->dev;
dev_priv = dev->dev_private;
dpi_output = MDFLD_DSI_DPI_OUTPUT(dsi_encoder);
p_funcs = dpi_output->p_funcs;
PSB_DEBUG_ENTRY("%s\n", (mode == DRM_MODE_DPMS_ON ? "on" :
DRM_MODE_DPMS_STANDBY == mode ? "standby" : "off"));
mutex_lock(&dev_priv->dpms_mutex);
DCLockMutex();
if (mode == DRM_MODE_DPMS_ON) {
mdfld_dsi_dpi_set_power(encoder, true);
DCAttachPipe(dsi_config->pipe);
DC_MRFLD_onPowerOn(dsi_config->pipe);
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
{
struct mdfld_dsi_hw_context *ctx =
&dsi_config->dsi_hw_context;
struct backlight_device bd;
bd.props.brightness = ctx->lastbrightnesslevel;
psb_set_brightness(&bd);
}
#endif
} else if (mode == DRM_MODE_DPMS_STANDBY) {
#ifdef CONFIG_BACKLIGHT_CLASS_DEVICE
struct mdfld_dsi_hw_context *ctx = &dsi_config->dsi_hw_context;
struct backlight_device bd;
ctx->lastbrightnesslevel = psb_get_brightness(&bd);
bd.props.brightness = 0;
psb_set_brightness(&bd);
#endif
/* Make the pending flip request as completed. */
DCUnAttachPipe(dsi_config->pipe);
msleep(50);
DC_MRFLD_onPowerOff(dsi_config->pipe);
msleep(50);
} else {
mdfld_dsi_dpi_set_power(encoder, false);
drm_handle_vblank(dev, dsi_config->pipe);
/* Turn off TE interrupt. */
drm_vblank_off(dev, dsi_config->pipe);
/* Make the pending flip request as completed. */
DCUnAttachPipe(dsi_config->pipe);
DC_MRFLD_onPowerOff(dsi_config->pipe);
}
DCUnLockMutex();
mutex_unlock(&dev_priv->dpms_mutex);
}
