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authorMatthew Garrett <mjg@redhat.com>2011-08-12 14:11:33 +0400
committerKeith Packard <keithp@keithp.com>2011-08-15 23:10:25 +0400
commitaaa6fd2a004147bf32fce05720938236de3361d9 (patch)
tree5f2c8217a1720495f094488c51ed9c393456923a /drivers/gpu/drm/i915/intel_lvds.c
parent13d83a672e9bbd52ae82c2f611dfd845a957e8b4 (diff)
downloadlinux-aaa6fd2a004147bf32fce05720938236de3361d9.tar.xz
Not all systems expose a firmware or platform mechanism for changing the backlight intensity on i915, so add native driver support.
Signed-off-by: Matthew Garrett <mjg@redhat.com> Cc: Richard Purdie <rpurdie@rpsys.net> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: David Airlie <airlied@linux.ie> Cc: Alex Deucher <alexdeucher@gmail.com> Cc: Ben Skeggs <bskeggs@redhat.com> Cc: Zhang Rui <rui.zhang@intel.com> Cc: Len Brown <lenb@kernel.org> Cc: Jesse Barnes <jbarnes@virtuousgeek.org> Tested-by: Sedat Dilek <sedat.dilek@googlemail.com> Tested-by: Michel Alexandre Salim <salimma@fedoraproject.org> Tested-by: Kamal Mostafa <kamal@canonical.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_lvds.c')
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 8b521a289b29..31da77f5c051 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -552,6 +552,8 @@ static void intel_lvds_destroy(struct drm_connector *connector)
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
+ intel_panel_destroy_backlight(dev);
+
if (dev_priv->lid_notifier.notifier_call)
acpi_lid_notifier_unregister(&dev_priv->lid_notifier);
drm_sysfs_connector_remove(connector);
@@ -1032,6 +1034,9 @@ out:
/* keep the LVDS connector */
dev_priv->int_lvds_connector = connector;
drm_sysfs_connector_add(connector);
+
+ intel_panel_setup_backlight(dev);
+
return true;
failed: