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When I was trying to drive a lcd(ili9881) with pwm backlight control. I encountered with the problem in #1180. After I check the kernel config of both raspbian OS and yocto.I find the config of drm is different between them. Detail of difference: In raspbian OS, kernel conifg of drm is m while it's y in yocto. So I change the config of drm to m in yocto too.And the pwm works fine now. Signed-off-by: bigbearishappy <953308023@qq.com>
7 lines
110 B
INI
7 lines
110 B
INI
CONFIG_I2C_BCM2835=y
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CONFIG_DRM=m
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CONFIG_DRM_FBDEV_EMULATION=m
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CONFIG_DRM_VC4=m
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CONFIG_SND=y
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CONFIG_SND_SOC=y
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