Low flashlight brightness bugfix

Low flashlight brightness bugfix

Because the platform side cannot output a PWM wave with 100% duty
 cycle, the brightness of the flashlight is too low. To fix this,
 we manually pull up this pin.

Change-Id: I84eacdef17c56b775dba679446e672868de2a279
Reviewed-on: https://gerrit.mot.com/2250278
SME-Granted: SME Approvals Granted
SLTApproved: Slta Waiver
Tested-by: Jira Key
Reviewed-by: Pengfei Qiao <qiaopf1@motorola.com>
Reviewed-by: Zhichao Chen <chenzc2@motorola.com>
Submit-Approved: Jira Key

arch/arm64/Kconfig

@@ -216,6 +216,12 @@ config ARCH_MMAP_RND_BITS_MAX
        default 16 if ARM64_16K_PAGES
        default 18
 
+config DEVON_CAMERA_FLASH
+    bool "For devon flashlight"
+    default n
+    help
+    Add for fix up devon flashlight brightness to low
+
 config ARCH_MMAP_RND_COMPAT_BITS_MIN
        default 7 if ARM64_64K_PAGES
        default 9 if ARM64_16K_PAGES

arch/arm64/configs/vendor/ext_config/devon-default.config

@@ -13,6 +13,7 @@
 # You can check the .config file to verify that your configuration option is
 # being set as expected.
 #
+CONFIG_DEVON_CAMERA_FLASH=y
 CONFIG_DEVON_DTB=y
 CONFIG_BAT_NTC_10K=y
 CONFIG_PANEL_NOTIFICATIONS=y