* fbtft gpio backlight
@ 2022-02-12 2:29 qianfan
0 siblings, 0 replies; only message in thread
From: qianfan @ 2022-02-12 2:29 UTC (permalink / raw)
To: dri-devel, linux-fbdev
Hi:
fbtft_register_backlight assume backlight is off, get polarity from
current state of pin. but the led gpio is requested by GPIOD_OUT_LOW
flag, which means the gpio state when fbtft_register_backlight is always
low.
Is it a bug?
Thanks
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