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[66.222.144.129]) by smtp.gmail.com with ESMTPSA id c3sm8428906pfo.120.2020.09.13.15.33.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sun, 13 Sep 2020 15:33:21 -0700 (PDT) Subject: Re: [PATCH] ACPI: video: use ACPI backlight for HP 635 Notebook To: Greg KH Cc: rjw@rjwysocki.net, lenb@kernel.org, linux-acpi@vger.kernel.org, All applicable References: <20200911221420.21692-1-alex.hung@canonical.com> <20200912064900.GB558156@kroah.com> From: Alex Hung Message-ID: Date: Sun, 13 Sep 2020 16:33:20 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20200912064900.GB558156@kroah.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Sender: linux-acpi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-acpi@vger.kernel.org On 2020-09-12 12:49 a.m., Greg KH wrote: > On Fri, Sep 11, 2020 at 04:14:20PM -0600, Alex Hung wrote: >> Default backlight interface is AMD's radeon_bl0 which does not work on >> this system. As a result, let's for ACPI backlight interface for this >> system. >> >> BugLink: https://bugs.launchpad.net/bugs/1894667 >> >> Cc: All applicable >> Signed-off-by: Alex Hung >> --- >> drivers/acpi/video_detect.c | 9 +++++++++ >> 1 file changed, 9 insertions(+) >> >> diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c >> index 2499d7e..05047a3 100644 >> --- a/drivers/acpi/video_detect.c >> +++ b/drivers/acpi/video_detect.c >> @@ -282,6 +282,15 @@ static const struct dmi_system_id video_detect_dmi_table[] = { >> DMI_MATCH(DMI_PRODUCT_NAME, "530U4E/540U4E"), >> }, >> }, >> + /* https://bugs.launchpad.net/bugs/1894667 */ >> + { >> + .callback = video_detect_force_video, >> + .ident = "HP 635 Notebook", >> + .matches = { >> + DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), >> + DMI_MATCH(DMI_PRODUCT_NAME, "HP 635 Notebook PC"), >> + }, >> + }, >> >> /* Non win8 machines which need native backlight nevertheless */ >> { >> -- >> 2.7.4 >> > > > > This is not the correct way to submit patches for inclusion in the > stable kernel tree. Please read: > https://www.kernel.org/doc/html/latest/process/stable-kernel-rules.html > for how to do this properly. > > > Sorry about this. I will send V2 to correct it to "Cc: stable@vger.kernel.org" -- Cheers, Alex Hung