z2_plus: Add a device specific ramdisk

Change-Id: I3b5b83498d7cc87bda9c125bac6e7498fe1e19ec

3 files changed, 59 insertions, 0 deletions

diff --git a/device.mk b/device.mk
index 4bad39b..3271547 100755
--- a/device.mk
+++ b/device.mk
@@ -36,5 +36,9 @@ DEVICE_PACKAGE_OVERLAYS += \
     $(LOCAL_PATH)/overlay \
     $(LOCAL_PATH)/overlay-lineage
 
+# Ramdisk
+PRODUCT_PACKAGES += \
+    init.zuk.rc
+
 # Vendor properties
 -include $(LOCAL_PATH)/vendor_prop.mk
diff --git a/rootdir/Android.mk b/rootdir/Android.mk
new file mode 100644
index 0000000..4ef5400
--- /dev/null
+++ b/rootdir/Android.mk
@@ -0,0 +1,11 @@
+LOCAL_PATH:= $(call my-dir)
+
+# Device specific init script
+
+include $(CLEAR_VARS)
+LOCAL_MODULE	   := init.zuk.rc
+LOCAL_MODULE_TAGS  := optional eng
+LOCAL_MODULE_CLASS := ETC
+LOCAL_SRC_FILES    := etc/init.zuk.rc
+LOCAL_MODULE_PATH  := $(TARGET_OUT_VENDOR_ETC)/init/hw
+include $(BUILD_PREBUILT)
diff --git a/rootdir/etc/init.zuk.rc b/rootdir/etc/init.zuk.rc
new file mode 100644
index 0000000..8349e05
--- /dev/null
+++ b/rootdir/etc/init.zuk.rc
@@ -0,0 +1,44 @@
+# Copyright (c) 2019, The Linux Foundation. All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are met:
+#     * Redistributions of source code must retain the above copyright
+#       notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above copyright
+#       notice, this list of conditions and the following disclaimer in the
+#       documentation and/or other materials provided with the distribution.
+#     * Neither the name of The Linux Foundation nor
+#       the names of its contributors may be used to endorse or promote
+#       products derived from this software without specific prior written
+#       permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+# AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+# IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+# NON-INFRINGEMENT ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+# EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+#
+
+on init
+    # Disable MMC powersaving
+    write /sys/devices/soc/${ro.boot.bootdevice}/mmc_host/mmc0/clk_scaling/enable 0
+    write /sys/devices/soc/74a4900.sdhci/mmc_host/mmc1/clk_scaling/enable 0
+    write /sys/devices/soc/${ro.boot.bootdevice}/pm_qos_irq_enable 0
+
+on charger
+    # Enable MMC powersaving
+    write /sys/devices/soc/${ro.boot.bootdevice}/mmc_host/mmc0/clk_scaling/enable 1
+    write /sys/devices/soc/74a4900.sdhci/mmc_host/mmc1/clk_scaling/enable 1
+    write /sys/devices/soc/${ro.boot.bootdevice}/pm_qos_irq_enable 1
+
+on sys.post_boot.parsed=1
+    # Enable MMC powersaving
+    write /sys/devices/soc/${ro.boot.bootdevice}/mmc_host/mmc0/clk_scaling/enable 1
+    write /sys/devices/soc/74a4900.sdhci/mmc_host/mmc1/clk_scaling/enable 1
+    write /sys/devices/soc/${ro.boot.bootdevice}/pm_qos_irq_enable 1