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Commit d0cbde93 authored by Zhao Yakui's avatar Zhao Yakui Committed by Eric Anholt
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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: default avatarZhao Yakui <yakui.zhao@intel.com>
Signed-off-by: default avatarEric Anholt <eric@anholt.net>
parent b9219c5e

drivers/gpu/drm/i915/intel_sdvo.c

+8 −6
Original line number Diff line number Diff line
@@ -1872,7 +1872,7 @@ void intel_sdvo_destroy_enhance_property(struct drm_connector *connector) 
		if (sdvo_priv->hue_property)

			drm_property_destroy(dev, sdvo_priv->hue_property);

	}

	if (sdvo_priv->is_tv) {

	if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {

		if (sdvo_priv->brightness_property)

			drm_property_destroy(dev,

					sdvo_priv->brightness_property);
@@ -1900,7 +1900,7 @@ static void intel_sdvo_destroy(struct drm_connector *connector) 
		drm_property_destroy(connector->dev,

				     sdvo_priv->tv_format_property);



	if (sdvo_priv->is_tv)

	if (sdvo_priv->is_tv || sdvo_priv->is_lvds)

		intel_sdvo_destroy_enhance_property(connector);



	drm_sysfs_connector_remove(connector);
@@ -1940,7 +1940,7 @@ intel_sdvo_set_property(struct drm_connector *connector, 
		changed = true;

	}



	if (sdvo_priv->is_tv) {

	if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {

		cmd = 0;

		temp_value = val;

		if (sdvo_priv->left_property == property) {
@@ -2627,7 +2627,7 @@ static void intel_sdvo_create_enhance_property(struct drm_connector *connector) 
					data_value[0], data_value[1], response);

		}

	}

	if (sdvo_priv->is_tv) {

	if (sdvo_priv->is_tv || sdvo_priv->is_lvds) {

		if (sdvo_data.brightness) {

			intel_sdvo_write_cmd(intel_output,

				SDVO_CMD_GET_MAX_BRIGHTNESS, NULL, 0);
@@ -2750,10 +2750,12 @@ bool intel_sdvo_init(struct drm_device *dev, int output_device) 
	drm_encoder_helper_add(&intel_output->enc, &intel_sdvo_helper_funcs);



	drm_mode_connector_attach_encoder(&intel_output->base, &intel_output->enc);

	if (sdvo_priv->is_tv) {

	if (sdvo_priv->is_tv)

		intel_sdvo_tv_create_property(connector);



	if (sdvo_priv->is_tv || sdvo_priv->is_lvds)

		intel_sdvo_create_enhance_property(connector);

	}



	drm_sysfs_connector_add(connector);



	intel_sdvo_select_ddc_bus(sdvo_priv);