drm/i915: Add the brightness property for SDVO-LVDS
When the sdvo device is detected as SDVO-LVDS, we will check whether the brightness is supported by issue SDVO enhancement command. If it is supported, we will add the brightness property and then brightness can be adjusted. Signed-off-by: Zhao Yakui <yakui.zhao@intel.com> Signed-off-by: Eric Anholt <eric@anholt.net>
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@ -1872,7 +1872,7 @@ void intel_sdvo_destroy_enhance_property(struct drm_connector *connector)
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if (sdvo_priv->hue_property)
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drm_property_destroy(dev, sdvo_priv->hue_property);
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}
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if (sdvo_priv->is_tv) {
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if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
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if (sdvo_priv->brightness_property)
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drm_property_destroy(dev,
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sdvo_priv->brightness_property);
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@ -1900,7 +1900,7 @@ static void intel_sdvo_destroy(struct drm_connector *connector)
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drm_property_destroy(connector->dev,
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sdvo_priv->tv_format_property);
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if (sdvo_priv->is_tv)
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if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
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intel_sdvo_destroy_enhance_property(connector);
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drm_sysfs_connector_remove(connector);
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@ -1940,7 +1940,7 @@ intel_sdvo_set_property(struct drm_connector *connector,
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changed = true;
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}
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if (sdvo_priv->is_tv) {
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if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
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cmd = 0;
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temp_value = val;
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if (sdvo_priv->left_property == property) {
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@ -2627,7 +2627,7 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector)
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data_value[0], data_value[1], response);
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}
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}
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if (sdvo_priv->is_tv) {
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if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {
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if (sdvo_data.brightness) {
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intel_sdvo_write_cmd(intel_output,
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SDVO_CMD_GET_MAX_BRIGHTNESS, NULL, 0);
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@ -2750,10 +2750,12 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device)
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drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);
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drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);
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if (sdvo_priv->is_tv) {
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if (sdvo_priv->is_tv)
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intel_sdvo_tv_create_property(connector);
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if (sdvo_priv->is_tv || sdvo_priv->is_lvds)
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intel_sdvo_create_enhance_property(connector);
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}
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drm_sysfs_connector_add(connector);
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intel_sdvo_select_ddc_bus(sdvo_priv);
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