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path: root/drivers/gpu/drm/i915/intel_modes.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_modes.c')
-rw-r--r--drivers/gpu/drm/i915/intel_modes.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_modes.c b/drivers/gpu/drm/i915/intel_modes.c
index 9034dd8f33c7..3b26a3ba02dd 100644
--- a/drivers/gpu/drm/i915/intel_modes.c
+++ b/drivers/gpu/drm/i915/intel_modes.c
@@ -81,6 +81,36 @@ int intel_ddc_get_modes(struct drm_connector *connector,
return ret;
}
+static const char *force_audio_names[] = {
+ "off",
+ "auto",
+ "on",
+};
+
+void
+intel_attach_force_audio_property(struct drm_connector *connector)
+{
+ struct drm_device *dev = connector->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ struct drm_property *prop;
+ int i;
+
+ prop = dev_priv->force_audio_property;
+ if (prop == NULL) {
+ prop = drm_property_create(dev, DRM_MODE_PROP_ENUM,
+ "audio",
+ ARRAY_SIZE(force_audio_names));
+ if (prop == NULL)
+ return;
+
+ for (i = 0; i < ARRAY_SIZE(force_audio_names); i++)
+ drm_property_add_enum(prop, i, i-1, force_audio_names[i]);
+
+ dev_priv->force_audio_property = prop;
+ }
+ drm_connector_attach_property(connector, prop, 0);
+}
+
static const char *broadcast_rgb_names[] = {
"Full",
"Limited 16:235",