From nobody Sat Jun 18 17:14:06 2022 X-Original-To: x11@mlmmj.nyi.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mlmmj.nyi.freebsd.org (Postfix) with ESMTP id 2407685F554 for ; Sat, 18 Jun 2022 17:14:17 +0000 (UTC) (envelope-from pete@nomadlogic.org) Received: from mail.nomadlogic.org (mail.nomadlogic.org [66.165.241.226]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256 client-signature RSA-PSS (2048 bits) client-digest SHA256) (Client CN "mail.nomadlogic.org", Issuer "R3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 4LQMvr1T6mz4jKb for ; Sat, 18 Jun 2022 17:14:16 +0000 (UTC) (envelope-from pete@nomadlogic.org) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=nomadlogic.org; s=04242021; t=1655572448; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=yRXb0fm5rjhiaXvs/VPtXYavT8Kpq6TjhcvRZGWf2+g=; b=EPcaojZtjBlhqPVeho2ig1JPQPfDI1sTgF0vFLrIqYEJslOgfN1isw0BfeYaGoQEKXeVHr 24vP5lttrYzaSEl6nN8ZahZ3/M3A0y2b1ksc03S13/KRFcE+5k2MtpmnjcaTiI7gYhx+yp Um9aMdQZUmCK+emF9Fa5cNryn6hGXAE= Received: from colony.nomadlogic.org (cpe-24-24-168-214.socal.res.rr.com [24.24.168.214]) by mail.nomadlogic.org (OpenSMTPD) with ESMTPSA id 9ba93537 (TLSv1.3:TLS_AES_256_GCM_SHA384:256:NO); Sat, 18 Jun 2022 17:14:07 +0000 (UTC) Date: Sat, 18 Jun 2022 10:14:06 -0700 From: Pete Wright To: Oleksandr Kryvulia Cc: x11@freebsd.org Subject: Re: backlight(8) and Thinkpad special keys Message-ID: <20220618171406.bzwr6tctkitnta4v@colony.nomadlogic.org> References: <20220617042845.vjnje56q2hixok3g@colony> <2f8cb56f-c58c-d45e-2541-a479d3e41f45@shurik.kiev.ua> List-Id: X11 List-Archive: https://lists.freebsd.org/archives/freebsd-x11 List-Help: List-Post: List-Subscribe: List-Unsubscribe: Sender: owner-freebsd-x11@freebsd.org X-BeenThere: freebsd-x11@freebsd.org MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: <2f8cb56f-c58c-d45e-2541-a479d3e41f45@shurik.kiev.ua> X-Rspamd-Queue-Id: 4LQMvr1T6mz4jKb X-Spamd-Bar: --- Authentication-Results: mx1.freebsd.org; dkim=pass header.d=nomadlogic.org header.s=04242021 header.b=EPcaojZt; dmarc=pass (policy=quarantine) header.from=nomadlogic.org; spf=pass (mx1.freebsd.org: domain of pete@nomadlogic.org designates 66.165.241.226 as permitted sender) smtp.mailfrom=pete@nomadlogic.org X-Spamd-Result: default: False [-3.99 / 15.00]; RCVD_VIA_SMTP_AUTH(0.00)[]; ARC_NA(0.00)[]; R_DKIM_ALLOW(-0.20)[nomadlogic.org:s=04242021]; NEURAL_HAM_MEDIUM(-1.00)[-1.000]; FROM_HAS_DN(0.00)[]; TO_DN_SOME(0.00)[]; R_SPF_ALLOW(-0.20)[+mx]; NEURAL_HAM_LONG(-1.00)[-1.000]; MIME_GOOD(-0.10)[text/plain]; TO_MATCH_ENVRCPT_SOME(0.00)[]; MID_RHS_MATCH_FROMTLD(0.00)[]; DKIM_TRACE(0.00)[nomadlogic.org:+]; RCPT_COUNT_TWO(0.00)[2]; DMARC_POLICY_ALLOW(-0.50)[nomadlogic.org,quarantine]; NEURAL_HAM_SHORT(-0.99)[-0.989]; MLMMJ_DEST(0.00)[x11]; FROM_EQ_ENVFROM(0.00)[]; MIME_TRACE(0.00)[0:+]; ASN(0.00)[asn:29802, ipnet:66.165.240.0/22, country:US]; RCVD_COUNT_TWO(0.00)[2]; RCVD_TLS_ALL(0.00)[] X-ThisMailContainsUnwantedMimeParts: N On Sat, Jun 18, 2022 at 01:53:47PM +0300, Oleksandr Kryvulia wrote: > 17.06.22 07:28, Pete Wright пише: > > hey there, > > i've noticed that on my lenovo thinkpad that when loading the drm-510-kmod driver > > the my usual way of managing screen brightness via hw.acpi.video.lcd.brightness > > does not work (the sysctl knob is not available). when loading the drm-54-kmod > > it is available. while debugging this i've noticed that using both drivers i am > > able to adjust things via the backlight(8) utility - thanks manu! > > > > the one drawback with this is that it seems like acpi_ibm(4) is no longer able > > to manage screen brightness. i.e. i can no longer use the special brightness > > function keys to increase/descrase screen brightness. > > > > so couple questions: > > > > 1. has anyone sucessfully tied their "special" keys to the backlight utility? > > 2. if not is the best approach to map the screen brightness keys to special events > > via devd that would call backlight(8) directly? my reading of the acpi_ibm > > man page seems to indicate it prefers to operate directly via sysctl which > > doesn't seem to work for me under the 5.10 drm driver. > > Hi! > On my thinkpad t490 I`m using backlight(8) with acpi_ibm(4) and devd(8). > Here is my simple config: Hey there Oleksandr - this worked like a charm. Thanks for sharing your config! -pete -- Pete Wright pete@nomadlogic.org