From: joeyli <jlee@suse.com> To: Pradeep Subrahmanion <subrahmanion.pradeep@gmail.com> Cc: Matthew Garrett <mjg@redhat.com>, rpurdie@rpsys.net, FlorianSchandinat@gmx.de, akpm@linux-foundation.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Added backlight driver for Acer Aspire 4736 Date: Thu, 22 Mar 2012 09:33:57 +0800 [thread overview] Message-ID: <1332380037.10557.398.camel@linux-s257.site> (raw) In-Reply-To: <1332356993.3103.23.camel@debian.Gayathri> 於 四,2012-03-22 於 00:39 +0530,Pradeep Subrahmanion 提到: > > This new patch should remove acpi_video0 interface on your machine. > > Please kindly provide your dmidecode: > > dmidecode > dmidecode.log > > > > And, > > please make should the patch really applied, you can do a bit change on > > pr_info message by yourself. > > Sorry . I think there was some mistake . I tried the patch again. Now > I see only intel_backlight inside /sys/class/backlight. There is no > acer-wmi interface . Is this the expected behavior ? . Or am I missing > anything ? > Yes, this is the expected behavior! But, now I doubt your issue was workaround by acpi_osi=Linux but not intel_backlight. > > > > > > > echo 5 > /sys/class/backlight/acpi_video0/brightness > > > echo 5 > /sys/class/backlight/intel_backlight/brightness > > > > > > But it doesn't make any change . > > > > > > In my case , 'acpi_backlight = vendor' does not make any difference since the hot key control > > > > > > already starts working with 'acpi_osi=Linux' option. > > > > > > cat /proc/cmdline gives , > > > > > > BOOT_IMAGE=/boot/vmlinuz-3.3.0+ > > > root=UUID=f0197a59-c067-4fd8-ad90-c4d721816077 ro acpi_osi=Linux > > > > > > > > > Thanks , > > > > > > Pradeep Subrahmanion > > > > > > > OK, that's more clearly, please remove acpi_osi=Linux then re-test, I > > think the hotkey of backlight control only works with acpi_osi=Linux ? > > Does your backlight control still work if you remove acpi_osi=Linux ? Thanks a lot! Joey Lee
WARNING: multiple messages have this Message-ID (diff)
From: joeyli <jlee@suse.com> To: Pradeep Subrahmanion <subrahmanion.pradeep@gmail.com> Cc: Matthew Garrett <mjg@redhat.com>, rpurdie@rpsys.net, FlorianSchandinat@gmx.de, akpm@linux-foundation.org, linux-fbdev@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH] Added backlight driver for Acer Aspire 4736 Date: Thu, 22 Mar 2012 01:33:57 +0000 [thread overview] Message-ID: <1332380037.10557.398.camel@linux-s257.site> (raw) In-Reply-To: <1332356993.3103.23.camel@debian.Gayathri> [-- Warning: decoded text below may be mangled, UTF-8 assumed --] [-- Attachment #1: Type: text/plain; charset="windows-1254", Size: 1731 bytes --] æ¼ åï¼2012-03-22 æ¼ 00:39 +0530ï¼Pradeep Subrahmanion æå°ï¼ > > This new patch should remove acpi_video0 interface on your machine. > > Please kindly provide your dmidecode: > > dmidecode > dmidecode.log > > > > And, > > please make should the patch really applied, you can do a bit change on > > pr_info message by yourself. > > Sorry . I think there was some mistake . I tried the patch again. Now > I see only intel_backlight inside /sys/class/backlight. There is no > acer-wmi interface . Is this the expected behavior ? . Or am I missing > anything ? > Yes, this is the expected behavior! But, now I doubt your issue was workaround by acpi_osi=Linux but not intel_backlight. > > > > > > > echo 5 > /sys/class/backlight/acpi_video0/brightness > > > echo 5 > /sys/class/backlight/intel_backlight/brightness > > > > > > But it doesn't make any change . > > > > > > In my case , 'acpi_backlight = vendor' does not make any difference since the hot key control > > > > > > already starts working with 'acpi_osi=Linux' option. > > > > > > cat /proc/cmdline gives , > > > > > > BOOT_IMAGE=/boot/vmlinuz-3.3.0+ > > > root=UUIDð197a59-c067-4fd8-ad90-c4d721816077 ro acpi_osi=Linux > > > > > > > > > Thanks , > > > > > > Pradeep Subrahmanion > > > > > > > OK, that's more clearly, please remove acpi_osi=Linux then re-test, I > > think the hotkey of backlight control only works with acpi_osi=Linux ? > > Does your backlight control still work if you remove acpi_osi=Linux ? Thanks a lot! Joey Lee -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
next prev parent reply other threads:[~2012-03-22 1:35 UTC|newest] Thread overview: 69+ messages / expand[flat|nested] mbox.gz Atom feed top [not found] <CABNxG=CU+bOWUauLYfcS2vtFqKvXA-9axgokNoYz+KuU1Mzztw@mail.gmail.com> 2012-03-11 19:42 ` [PATCH] Added backlight driver for Acer Aspire 4736 Florian Tobias Schandinat 2012-03-11 19:42 ` Florian Tobias Schandinat 2012-03-12 17:36 ` Pradeep Subrahmanion 2012-03-13 3:12 ` Pradeep Subrahmanion 2012-03-12 17:51 ` Matthew Garrett 2012-03-13 12:09 ` Pradeep Subrahmanion 2012-03-13 12:47 ` Matthew Garrett 2012-03-13 13:29 ` Pradeep Subrahmanion 2012-03-13 13:41 ` Pradeep Subrahmanion [not found] ` <CABNxG=Dqg26EHmC3vibf3-SjVhby1qgQfMniQObUeh9eJ6SwEw@mail.gmail.com> 2012-03-13 13:34 ` Matthew Garrett 2012-03-13 15:49 ` Pradeep Subrahmanion 2012-03-14 1:24 ` Pradeep Subrahmanion 2012-03-13 23:12 ` joeyli 2012-03-13 23:12 ` joeyli 2012-03-14 2:43 ` Pradeep Subrahmanion 2012-03-14 2:55 ` Pradeep Subrahmanion 2012-03-14 5:51 ` joeyli 2012-03-14 5:51 ` joeyli 2012-03-14 6:17 ` Pradeep Subrahmanion 2012-03-14 6:29 ` Pradeep Subrahmanion 2012-03-15 8:05 ` joeyli 2012-03-15 8:05 ` joeyli 2012-03-18 5:10 ` Pradeep Subrahmanion 2012-03-18 5:22 ` Pradeep Subrahmanion 2012-03-19 2:01 ` joeyli 2012-03-19 2:01 ` joeyli 2012-03-19 11:33 ` Pradeep Subrahmanion 2012-03-19 11:45 ` Pradeep Subrahmanion 2012-03-20 3:55 ` joeyli 2012-03-20 3:55 ` joeyli 2012-03-20 11:09 ` joeyli 2012-03-20 11:09 ` joeyli 2012-03-20 18:55 ` Pradeep Subrahmanion 2012-03-20 18:55 ` Pradeep Subrahmanion 2012-03-21 3:00 ` joeyli 2012-03-21 3:00 ` joeyli 2012-03-21 19:09 ` Pradeep Subrahmanion 2012-03-21 19:21 ` Pradeep Subrahmanion 2012-03-22 1:33 ` joeyli [this message] 2012-03-22 1:33 ` joeyli 2012-03-22 2:33 ` Pradeep Subrahmanion 2012-03-22 2:45 ` Pradeep Subrahmanion 2012-03-22 3:25 ` joeyli 2012-03-22 3:25 ` joeyli 2012-03-22 3:32 ` Pradeep Subrahmanion 2012-03-22 3:44 ` Pradeep Subrahmanion 2012-03-22 3:54 ` joeyli 2012-03-22 3:54 ` joeyli 2012-03-22 5:56 ` Pradeep Subrahmanion 2012-03-22 5:57 ` Pradeep Subrahmanion 2012-03-22 9:34 ` joeyli 2012-03-22 9:34 ` joeyli 2012-03-22 16:17 ` Pradeep Subrahmanion 2012-03-22 16:29 ` Pradeep Subrahmanion 2012-03-23 3:36 ` Pradeep Subrahmanion 2012-03-23 3:48 ` Pradeep Subrahmanion 2012-03-23 4:25 ` joeyli 2012-03-23 4:25 ` joeyli 2012-03-18 5:12 ` Pradeep Subrahmanion 2012-03-18 5:24 ` Pradeep Subrahmanion 2012-03-12 23:07 ` Joe Perches 2012-03-12 23:07 ` Joe Perches 2012-03-12 17:40 ` Pradeep Subrahmanion 2012-03-13 3:16 ` Pradeep Subrahmanion 2012-03-13 3:10 ` joeyli 2012-03-13 3:10 ` joeyli 2012-03-13 13:12 ` Pradeep Subrahmanion 2012-03-13 4:35 ` joeyli 2012-03-13 4:35 ` joeyli
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