[Bug 90511] New: Asus t100ta Backlight stopped working

[bugzilla-daemon at bugzilla.kernel.org]

https://bugzilla.kernel.org/show_bug.cgi?id=90511

            Bug ID: 90511
           Summary: Asus t100ta Backlight stopped working
           Product: Drivers
           Version: 2.5
    Kernel Version: 3.19.-rc2
          Hardware: All
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - Intel)
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: bloften80 at gmail.com
                CC: intel-gfx-bugs at lists.freedesktop.org
        Regression: No

Created attachment 162191
  --> https://bugzilla.kernel.org/attachment.cgi?id=162191&action=edit
Intel i915 Backlight Patch

With the new kernel the backlight stopped working we had a patch written by jan
michael brummer, but the patch stopped working probably due to code changes can
we get a new patch?

I have attached the patch that was created 

It fails on Hunk #7  

diff --git a/drivers/gpu/drm/i915/intel_panel.c
b/drivers/gpu/drm/i915/intel_panel.c


+static int vlv_pmic_setup_backlight(struct intel_connector *connector)
+{
+    struct intel_panel *panel = &connector->panel;
+
+    printk("vlv_pmic_setup_backlight\n");
+    panel->backlight.present = 1;
+    panel->backlight.min = 0x00;
+    panel->backlight.max = 0xFF;
+    panel->backlight.level = 20;
+    panel->backlight.enabled = 1;
+
+    return 0;
+}
+
 int intel_panel_setup_backlight(struct drm_connector *connector)
 {

Thank you

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