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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: Zhao Yakui <yakui.zhao@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
This commit is contained in:
Zhao Yakui 2009-09-10 15:45:47 +08:00 коммит произвёл Eric Anholt
Родитель b9219c5e8b
Коммит d0cbde93cc
1 изменённых файлов: 8 добавлений и 6 удалений
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14
drivers/gpu/drm/i915/intel_sdvo.c
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@ -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);