* [PATCH] ACPI: video: use ACPI backlight for HP 635 Notebook
@ 2020-09-11 22:14 Alex Hung
2020-09-12 6:49 ` Greg KH
0 siblings, 1 reply; 3+ messages in thread
From: Alex Hung @ 2020-09-11 22:14 UTC (permalink / raw)
To: rjw, lenb, linux-acpi, alex.hung; +Cc: All applicable
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 <stable@vger.kernel.org>
Signed-off-by: Alex Hung <alex.hung@canonical.com>
---
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
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] ACPI: video: use ACPI backlight for HP 635 Notebook
2020-09-11 22:14 [PATCH] ACPI: video: use ACPI backlight for HP 635 Notebook Alex Hung
@ 2020-09-12 6:49 ` Greg KH
2020-09-13 22:33 ` Alex Hung
0 siblings, 1 reply; 3+ messages in thread
From: Greg KH @ 2020-09-12 6:49 UTC (permalink / raw)
To: Alex Hung; +Cc: rjw, lenb, linux-acpi, All applicable
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 <stable@vger.kernel.org>
> Signed-off-by: Alex Hung <alex.hung@canonical.com>
> ---
> 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
>
<formletter>
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.
</formletter>
^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] ACPI: video: use ACPI backlight for HP 635 Notebook
2020-09-12 6:49 ` Greg KH
@ 2020-09-13 22:33 ` Alex Hung
0 siblings, 0 replies; 3+ messages in thread
From: Alex Hung @ 2020-09-13 22:33 UTC (permalink / raw)
To: Greg KH; +Cc: rjw, lenb, linux-acpi, All applicable
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 <stable@vger.kernel.org>
>> Signed-off-by: Alex Hung <alex.hung@canonical.com>
>> ---
>> 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
>>
>
> <formletter>
>
> 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.
>
> </formletter>
>
Sorry about this.
I will send V2 to correct it to "Cc: stable@vger.kernel.org"
--
Cheers,
Alex Hung
^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2020-09-13 22:33 UTC | newest]
Thread overview: 3+ messages (download: mbox.gz / follow: Atom feed)
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2020-09-11 22:14 [PATCH] ACPI: video: use ACPI backlight for HP 635 Notebook Alex Hung
2020-09-12 6:49 ` Greg KH
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