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How to control pwm fan speed on Android system #26

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ljk4160 opened this issue Oct 14, 2022 · 2 comments
Open

How to control pwm fan speed on Android system #26

ljk4160 opened this issue Oct 14, 2022 · 2 comments

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@ljk4160
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ljk4160 commented Oct 14, 2022 •
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The default speed is very high and noisy
My device is ROCK5B
android12
@y0w0
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y0w0 commented Oct 14, 2022

企业微信截图_16657512984958

@ljk4160
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ljk4160 commented Oct 14, 2022

When I runing
cd /sys/class/pwm/pwmchip0/
echo 0 > export
There is no response, it cannot generate pwm0
I think it's because I don't have permission to write the file:export

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@ljk4160 @y0w0