From: Seth Forshee <seth.forshee@canonical.com>
To: Corentin Chary <corentin.chary@gmail.com>
Cc: "Corentin Chary" <corentincj@iksaif.net>,
platform-driver-x86@vger.kernel.org,
"Zhang Rui" <rui.zhang@intel.com>,
linux-kernel@vger.kernel.org,
"Andrzej Prochyra" <andrzej@prochyra.name>,
"Matthew Garrett" <mjg59@srcf.ucam.org>,
"David Herrmann" <dh.herrmann@googlemail.com>,
"Richard Schütz" <r.schtz@t-online.de>,
"Len Brown" <lenb@kernel.org>,
linux-acpi@vger.kernel.org
Subject: Re: [PATCH] ACPI / Video: blacklist some samsung laptops
Date: Sun, 8 Jan 2012 14:40:29 +0100 [thread overview]
Message-ID: <20120108134029.GA7708@ubuntu-mba> (raw)
In-Reply-To: <CAHR064h287UFd4bBnWCJz61qw-wZBYRrF=5FKAmFg8YwaWN1Zw@mail.gmail.com>
On Sun, Jan 08, 2012 at 01:36:45PM +0100, Corentin Chary wrote:
> On Sun, Jan 8, 2012 at 11:46 AM, Seth Forshee
> <seth.forshee@canonical.com> wrote:
> > On Sat, Jan 07, 2012 at 03:12:38PM +0100, Corentin Chary wrote:
> >> On these laptops, the ACPI video is not functional, and very unlikely
> >> to be fixed by the vendor. Note that intel_backlight works for some
> >> of these laptops, and the backlight from samsung-laptop always work.
> >>
> >> The good news is that newer laptops have functional ACPI video device
> >> and won't end up growing this list.
> >>
> >> Signed-off-by: Corentin Chary <corentincj@iksaif.net>
> >> ---
> >>
> >> Could the concerned people test this patch and check that it correctly
> >> disable the acpi_video backlight ?
> >>
> >> drivers/acpi/video_detect.c | 40 ++++++++++++++++++++++++++++++++++++++++
> >> 1 files changed, 40 insertions(+), 0 deletions(-)
> >>
> >> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
> >> index 45d8097..376bce2 100644
> >> --- a/drivers/acpi/video_detect.c
> >> +++ b/drivers/acpi/video_detect.c
> >> @@ -132,6 +132,44 @@ find_video(acpi_handle handle, u32 lvl, void *context, void **rv)
> >> return AE_OK;
> >> }
> >>
> >> +/* Force to use vendor driver when the ACPI device is known to be
> >> + * buggy */
> >> +static int video_detect_force_vendor(const struct dmi_system_id *d)
> >> +{
> >> + acpi_video_support |= ACPI_VIDEO_BACKLIGHT_DMI_VENDOR;
> >> + return 0;
> >> +}
> >> +
> >> +static struct dmi_system_id video_detect_dmi_table[] = {
> >> + {
> >> + .callback = video_detect_force_vendor,
> >> + .ident = "N150P",
> >> + .matches = {
> >> + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
> >> + DMI_MATCH(DMI_PRODUCT_NAME, "N150P"),
> >> + DMI_MATCH(DMI_BOARD_NAME, "N150P"),
> >> + },
> >> + },
> >> + {
> >> + .callback = video_detect_force_vendor,
> >> + .ident = "N145P/N250P/N260P",
> >> + .matches = {
> >> + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
> >> + DMI_MATCH(DMI_PRODUCT_NAME, "N145P/N250P/N260P"),
> >> + DMI_MATCH(DMI_BOARD_NAME, "N145P/N250P/N260P"),
> >> + },
> >> + },
> >> + {
> >> + .callback = video_detect_force_vendor,
> >> + .ident = "N150/N210/N220",
> >> + .matches = {
> >> + DMI_MATCH(DMI_SYS_VENDOR, "SAMSUNG ELECTRONICS CO., LTD."),
> >> + DMI_MATCH(DMI_PRODUCT_NAME, "N150/N210/N220"),
> >> + DMI_MATCH(DMI_BOARD_NAME, "N150/N210/N220"),
> >> + },
> >> + },
> >> +};
> >> +
> >
> > I don't see NF110/NF210/NF310 in this list. Was that an oversight?
>
> Ooops. Could you add it and try the patch, then send me lines you added ?
> Thanks,
Sure, but it won't be until next week. I'm travelling this week and
don't have the machine with me.
next prev parent reply other threads:[~2012-01-08 13:40 UTC|newest]
Thread overview: 30+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-12-22 22:19 [PATCH] Platform: samsung-laptop: add DMI information for Samsung N150 Plus Andrzej Prochyra
2011-12-23 14:15 ` Corentin Chary
2011-12-24 14:12 ` Andrzej Prochyra
2011-12-24 14:20 ` Matthew Garrett
2011-12-24 14:28 ` David Herrmann
2011-12-26 9:49 ` Corentin Chary
2011-12-26 10:22 ` David Herrmann
2011-12-29 10:23 ` Corentin Chary
2011-12-29 11:45 ` Richard Schütz
2011-12-29 11:49 ` Corentin Chary
2011-12-29 14:02 ` David Herrmann
2012-01-04 20:51 ` Seth Forshee
2012-01-05 7:18 ` Corentin Chary
2012-01-05 15:08 ` Seth Forshee
2012-01-07 14:12 ` [PATCH] ACPI / Video: blacklist some samsung laptops Corentin Chary
2012-01-08 10:46 ` Seth Forshee
2012-01-08 12:36 ` Corentin Chary
2012-01-08 13:40 ` Seth Forshee [this message]
2012-01-09 16:39 ` David Herrmann
2012-01-09 22:34 ` Andrzej Prochyra
2011-12-26 9:51 ` [PATCH] Platform: samsung-laptop: add DMI information for Samsung N150 Plus Corentin Chary
2011-12-26 12:33 ` Matthew Garrett
2012-01-23 10:41 ` Corentin Chary
2012-01-17 7:08 [PATCH] ACPI / Video: blacklist some samsung laptops Corentin Chary
2012-01-17 20:19 ` Seth Forshee
2012-01-30 8:26 ` Corentin Chary
2012-02-19 19:56 ` Corentin Chary
2012-02-20 11:06 ` David Herrmann
2012-02-20 14:27 ` Corentin Chary
2012-03-05 9:01 Corentin Chary
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