devicetree.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: 8001010 <8001010@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>,
	linux-sunxi <linux-sunxi@googlegroups.com>
Cc: devicetree@vger.kernel.org, maxime.ripard@free-electrons.com,
	wens@csie.org, linux-arm-kernel@lists.infradead.org
Subject: Re: [linux-sunxi] Re: [PATCH 0/5] ARM: dts: sunxi: Add backlight node to q8 tablets
Date: Mon, 11 Jan 2016 11:34:18 +0100	[thread overview]
Message-ID: <5693852A.1060604@gmail.com> (raw)
In-Reply-To: <5677F7CF.3050308@redhat.com>

Hans de Goede wrote:
> Hi,
>
> On 21-12-15 11:56, Silvio Pellicano wrote:
>>
>>
>>> Here is a slightly updated version of Chen-Yu's backlight
>>> patches, also adding support for the backlight found on A13
>>> based q8 tablets.
>>>
>>
>> If i compile your dtsi with (obviously) pwm  support enable , backlight
>> switch off after kernel start,
>> if i disable pwm in menuconfig,it stay on, all seem correct (pwm on PB2 in
>> original script.bin),
>> but there is somewhere a bug in pwm or dtsi description of backlight.
>
> No there is not, if you enable the pwm driver you must also enable
> the backlight-pwm driver / add CONFIG_BACKLIGHT_PWM=y to your .config
> (and make sure it stays that way after a "make oldconfig").
>
> Regards,
>
> Hans
>
Now work, but what flag  i have to enable to leave 5v usb otg ON?
uboot switch ON Usb Otg voltage but kernel switch off during boot (no usb devices work).

Thanks

  parent reply	other threads:[~2016-01-11 10:34 UTC|newest]

Thread overview: 19+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-09-20 12:30 [PATCH 0/5] ARM: dts: sunxi: Add backlight node to q8 tablets Hans de Goede
     [not found] ` <1442752251-20744-1-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-20 12:30   ` [PATCH 1/5] ARM: dts: sun5i: Add PWM controller node for A13/A10s Hans de Goede
     [not found]     ` <1442752251-20744-2-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-22 14:28       ` Maxime Ripard
2015-09-20 12:30   ` [PATCH 2/5] ARM: dts: sun5i: Add PWM channel 0 pinmux setting " Hans de Goede
     [not found]     ` <1442752251-20744-3-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-22 14:29       ` Maxime Ripard
2015-09-20 12:30   ` [PATCH 3/5] ARM: dts: sunxi: Enable PWM controller on Q8 format tablets Hans de Goede
2015-09-20 12:30   ` [PATCH 4/5] ARM: dts: sun8i: Add pwm-backlight device for A23/A33 " Hans de Goede
     [not found]     ` <1442752251-20744-5-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-22 14:44       ` Maxime Ripard
2015-09-20 12:30   ` [PATCH 5/5] ARM: dts: sun5i: Add backlight node to sun5i-q8-common.dtsi Hans de Goede
     [not found]     ` <1442752251-20744-6-git-send-email-hdegoede-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-20 14:46       ` Chen-Yu Tsai
     [not found]         ` <CAGb2v66Bg60p8T3dzF6ymo-rTEMK4yUVZsuaOjCXapPBQRn6eg-JsoAwUIsXosN+BqQ9rBEUg@public.gmane.org>
2015-09-20 15:14           ` Hans de Goede
     [not found]             ` <55FECD38.9010503-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2015-09-20 15:21               ` Hans de Goede
2015-12-19 10:54     ` 8001010
     [not found]       ` <5df61312-cf32-43d4-8aba-485acf66787d-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
2015-12-22  3:21         ` Chen-Yu Tsai
2015-12-21 10:56   ` [PATCH 0/5] ARM: dts: sunxi: Add backlight node to q8 tablets Silvio Pellicano
     [not found]     ` <fc4adcf5-4362-4d4c-b42e-729922c79f65-/JYPxA39Uh5TLH3MbocFFw@public.gmane.org>
2015-12-21 12:59       ` Hans de Goede
     [not found]         ` <5677F7CF.3050308-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>
2016-01-01  0:17           ` Silvio Pellicano
2016-01-11 10:34         ` 8001010 [this message]
     [not found]           ` <5693852A.1060604-Re5JQEeQqe8AvxtiuMwx3w@public.gmane.org>
2016-01-11 11:09             ` Hans de Goede

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=5693852A.1060604@gmail.com \
    --to=8001010@gmail.com \
    --cc=devicetree@vger.kernel.org \
    --cc=hdegoede@redhat.com \
    --cc=linux-arm-kernel@lists.infradead.org \
    --cc=linux-sunxi@googlegroups.com \
    --cc=maxime.ripard@free-electrons.com \
    --cc=wens@csie.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).