Messages in this thread | | | Date | Tue, 24 Mar 2020 10:01:10 -0700 | From | Tony Lindgren <> | Subject | Re: Droid 4 in -next -- still no backlight was Re: [PATCH 1/4] tty: n_gsm: Add support for serdev drivers |
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* Pavel Machek <pavel@denx.de> [200322 22:43]: > Hi! > > > 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?
Yes the backlight works for me now just fine with current v5.6-rc.
But yeah, looks like LCD is again broken in current Linux next, maybe Laurent and Sebastian have some clues?
Regards,
Tony
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