https://forum.thinkpads.com/viewtopic.php?p=837385#p837385

0x9aee

struct{ uint8_t temp_in,uint8_t temp_out,uint16_t pwm}[7] -> 4*7= 28 Byte

dd if=ec.bin bs=1 count=28 skip=$[0x9aee] 2>/dev/null|hexdump -C >tempTable.hex

dd if=ec.bin skip=$[0x09d7e] bs=1 count=32 2>/dev/null  |hexdump -C


The table at 0x9aee has following type: struct{ uint8_t temp_in,uint8_t temp_out,uint16_t pwm}[7]
00000000  00 00 65 00 29 28 19 00  38 2d 23 00 42 39 41 00  |..e.)(..8-#.B9A.|
00000010  4c 43 5a 00 5a 4d 64 00  ff 00 64 00              |LCZ.ZMd...d.|
0000001c


https://forum.thinkpads.com/viewtopic.php?p=837223#p837223

vladisslav2011's linux kernel ec debugfs patch ported to 5.1: https://dump.bitcheese.net/files/fazusav/linux-5.1-ec.patch


#https://stackoverflow.com/questions/29440784/writing-to-embedded-controller-registers-in-ubuntu-14-04
sudo modprobe ec_sys write_support=1

root@michis-ibm-haupt:/sys/kernel/debug/ec/ec0# hexdump -C io
00000000  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000050  38 b3 0d 0d 49 90 00 00  00 00 00 00 00 00 02 00  |8...I...........|
00000060  b4 24 99 12 30 2a 5f 00  2f 00 00 00 9e 11 c8 30  |.$..0*_./......0|
00000070  41 38 43 00 00 00 65 00  00 00 00 00 00 00 00 00  |A8C...e.........|
00000080  b3 b3 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
00000090  00 00 00 00 00 00 00 00  00 00 00 00 00 00 00 00  |................|
*
00000100





https://forum.thinkpads.com/viewtopic.php?p=834033#p834033



git repo: https://github.com/l29ah/x210-ec

x210-ec/checksum ec.temp_pwm_patched.bin

dd if=x210-current-internal-flashrom.bin of=fw.bin bs=1024 count=2048
dd if=ec.temp_pwm_patched.bin of=fw.bin bs=1024 count=64 seek=2048
dd if=x210-current-internal-flashrom.bin of=fw.bin bs=1024 count=6080 seek=2112
sudo flashrom -V -p internal -l layout -i ec -w fw.bin


r2 -w -q -P x210-ec/patches/lcd-backlight-925hz.rapatch ec.temp_pwm_patched.bin || true