Evolution-x-devices/device_google_taimen
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Fix ALS/prox calibration at init if needed

Browse Source 
Bug: 38066490
Test: loaded on taimen and verified behavior and registry
Change-Id: I08c27bd3f62dcad90854815e70be49fb21294db9
This commit is contained in:
Andrew Lehmer
2017-05-17 16:18:47 -07:00
parent 1dd23ec0b9
commit ffbe89e90e
6 changed files with 51 additions and 0 deletions
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1
BoardConfig.mk
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@@ -21,6 +21,7 @@ BOARD_KERNEL_CMDLINE += console=ttyMSM0,115200,n8 earlycon=msm_serial_dm,0xc1b00
include device/google/wahoo/BoardConfig.mk
BOARD_SEPOLICY_DIRS += device/google/taimen/sepolicy
BOARD_BOOTIMAGE_PARTITION_SIZE := 41943040
BOARD_AVB_ENABLE := true

4
device.mk
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@@ -82,3 +82,7 @@ PRODUCT_COPY_FILES += \
PRODUCT_PROPERTY_OVERRIDES += \
persist.config.calibration_cad=/vendor/etc/sensors/calibration_cad.xml \
persist.config.calibration_fac=/persist/sensors/calibration/calibration.xml
# Temporary ALS/prox calibration reset
PRODUCT_COPY_FILES += \
device/google/taimen/init.resetcalib.sh:$(TARGET_COPY_OUT_VENDOR)/bin/init.resetcalib.sh

10
init-taimen.rc
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@@ -2,6 +2,9 @@ on init && property:ro.boot.slot=*
# will remove this once slot_suffix is deprecated
setprop ro.boot.slot_suffix _${ro.boot.slot}
on late-fs && property:ro.boot.revision=rev_a
start resetcalib_sh
on post-fs-data
# QC Sensors
mkdir /persist/sensors
@@ -16,3 +19,10 @@ on property:init.svc.fps_hal=running && property:ro.boot.revision=rev_0
on property:sys.all.modules.ready=1
# Update touch firmware if required
write /sys/devices/virtual/input/ftm4_touch/check_fw 1
service resetcalib_sh /vendor/bin/init.resetcalib.sh
class main
user root
group root system
disabled
oneshot

19
init.resetcalib.sh Executable file
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@@ -0,0 +1,19 @@
#!/system/bin/sh
ALS_FACTOR=$(od -An -t d2 -j 0x114 -N 2 /persist/sensors/sns.reg | xargs echo)
PROX_THRESHOLD=$(od -An -t d2 -j 0x104 -N 2 /persist/sensors/sns.reg | xargs echo)
# Set ALS calibration factor to default if needed
if [[ $ALS_FACTOR = "1200" ]]; then
cp /persist/sensors/sns.reg /persist/sensors/sns.reg.orig
xxd /persist/sensors/sns.reg.orig | sed 's/\(00000110: .... ....\) ..../\1 9411/' | xxd -r > /persist/sensors/sns.reg
RECALIBRATED=1
fi
# Overwrite prox threshold if needed
if [[ $PROX_THRESHOLD = "6656" ]]; then
cp /persist/sensors/sns.reg /persist/sensors/sns.reg.orig
xxd /persist/sensors/sns.reg.orig | sed 's/\(00000100: .... ....\) ..../\1 0002/' | xxd -r > /persist/sensors/sns.reg
RECALIBRATED=1
fi
if [[ -n $RECALIBRATED ]]; then
echo related > /sys/bus/msm_subsys/devices/subsys5/restart_level
echo restart > /sys/kernel/debug/msm_subsys/slpi
fi

2
sepolicy/file_contexts Normal file
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@@ -0,0 +1,2 @@
# files in /vendor
/vendor/bin/init\.resetcalib\.sh u:object_r:init-resetcalib-sh_exec:s0

15
sepolicy/init-resetcalib-sh.te Normal file
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@@ -0,0 +1,15 @@
type init-resetcalib-sh, domain, vendor_executes_system_violators;
type init-resetcalib-sh_exec, exec_type, vendor_file_type, file_type;
init_daemon_domain(init-resetcalib-sh)
allow init-resetcalib-sh shell_exec:file rx_file_perms;
allow init-resetcalib-sh persist_file:dir search;
allow init-resetcalib-sh persist_sensors_file:dir search;
allow init-resetcalib-sh persist_sensors_file:file { getattr open read write };
allow init-resetcalib-sh self:capability dac_override;
allow init-resetcalib-sh toolbox_exec:file { execute execute_no_trans getattr open read };
allow init-resetcalib-sh sysfs_msm_subsys:dir search;
allow init-resetcalib-sh sysfs_msm_subsys:file { open write };
allow init-resetcalib-sh sysfs_msm_subsys:lnk_file read;
allow init-resetcalib-sh system_data_file:dir getattr;