glimmer: set brightness lowest level PWM duty to 5%

set min_visible_backlight_level to 196(/max 3906)

BUG=chrome-os-partner:27610
TEST=emerge-glimmer chromeos-bsp-glimmer
Verify min_visible_backlight_level exists in build.

Change-Id: I4a6ac1b75c8bc4297c4ac123f6773d51f4e6a783
Reviewed-on: https://chromium-review.googlesource.com/193186
Reviewed-by: Bernie Thompson <bhthompson@chromium.org>
Commit-Queue: Kevin Cheng <kevin.cheng@intel.com>
Tested-by: Kevin Cheng <kevin.cheng@intel.com>
(cherry picked from commit fb87e9fdd5e6102a22341dfa476a3cd51cd98c45)
Reviewed-on: https://chromium-review.googlesource.com/194207
Commit-Queue: Bernie Thompson <bhthompson@chromium.org>
Tested-by: Bernie Thompson <bhthompson@chromium.org>
diff --git a/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1-r5.ebuild b/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1-r6.ebuild
similarity index 100%
rename from overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1-r5.ebuild
rename to overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1-r6.ebuild
diff --git a/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1.ebuild b/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1.ebuild
index c51f869..5b18a01 100644
--- a/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1.ebuild
+++ b/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/chromeos-bsp-glimmer-0.0.1.ebuild
@@ -26,6 +26,10 @@
 src_install() {
 	doappid "{D0DBB0D9-6EEB-B148-F8AF-AE8AF86ECE5B}"
 
+	# Install platform specific config files for power_manager.
+	insinto "/usr/share/power_manager/board_specific"
+        doins "${FILESDIR}/min_visible_backlight_level"
+
 	# Battery cut-off
 	dosbin "${FILESDIR}/battery_cut_off.sh"
 	dosbin "${FILESDIR}/board_factory_wipe.sh"
diff --git a/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/files/min_visible_backlight_level b/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/files/min_visible_backlight_level
new file mode 100644
index 0000000..0f11735
--- /dev/null
+++ b/overlay-glimmer/chromeos-base/chromeos-bsp-glimmer/files/min_visible_backlight_level
@@ -0,0 +1 @@
+196