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SubjectDroid 4 in -next -- still no backlight was Re: [PATCH 1/4] tty: n_gsm: Add support for serdev drivers

> We can make use of serdev drivers to do simple device drivers for
> TS 27.010 chanels, and we can handle vendor specific protocols on top
> of TS 27.010 with serdev drivers.

I took all three series (

[PATCHv3 0/3] Lost key-up interrupt handling for omap4-keypa
[PATCH 1/3] Input: atmel_mxt_ts - use runtime PM instead of
[PATCHv5 0/4] n_gsm serdev support and protocol driver for d

) and applied them on top of next-20200320.

Good news is that result boots. (So I did partial testing of the patches).

Bad news is that I still don't have working backlight. I do have LED
and there's backlight device connected to the LED, so I can't control
the LED directly, but the screen is black (and I don't see boot
messages either).

Before I start debugging, does screen work for you in -next, or do you
have some fixes I could try?

Thanks and best regards,

(cesky, pictures)
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