diff options
-rw-r--r-- | meta-fii/meta-kudo/recipes-phosphor/fans/pwm-init/bin/pwm_init.sh | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/meta-fii/meta-kudo/recipes-phosphor/fans/pwm-init/bin/pwm_init.sh b/meta-fii/meta-kudo/recipes-phosphor/fans/pwm-init/bin/pwm_init.sh index d559f6a31b..bd88e01c8a 100644 --- a/meta-fii/meta-kudo/recipes-phosphor/fans/pwm-init/bin/pwm_init.sh +++ b/meta-fii/meta-kudo/recipes-phosphor/fans/pwm-init/bin/pwm_init.sh @@ -3,4 +3,18 @@ # Set all fans to pwm mode. # Set all pwm_enable to 1 -find /sys/class/hwmon/hwmon*/ -name 'pwm*_enable' -exec bash -c 'echo "${1}" && echo 1 > "${1}" && cat "${1}"' -- {} \;
\ No newline at end of file +find /sys/class/hwmon/hwmon*/ -name 'pwm*_enable' -exec bash -c 'echo "${1}" && echo 1 > "${1}" && cat "${1}"' -- {} \; + +for i in {0..5} +do + fan_pwm_rate_of_change=0x$(printf '%02x' $((8 + i)) | \ + awk '{print $1}') + # Set Fan PWM Rate-of-Change Bits(bits 4:2) to 000b + # Register 08h to 0Dh + oriRegVal=$(i2cget -y -f 18 0x2c \ + "${fan_pwm_rate_of_change}") + updateVal=$((oriRegVal & 0xe3)) + updateVal=0x$(printf "%x" ${updateVal}) + i2cset -y -f 18 0x2c \ + "${fan_pwm_rate_of_change}" "${updateVal}" +done |