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platform-drivers-x86 for v4.14-2

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Newly discovered species of fujitsu laptops break some assumptions about
 ACPI device pairings.
 
 fujitsu-laptop:
  - Don't oops when FUJ02E3 is not presnt
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Merge tag 'platform-drivers-x86-v4.14-2' of git://git.infradead.org/linux-platform-drivers-x86

Pull x86 platform drivers fix from Darren Hart:
 "Newly discovered species of fujitsu laptops break some assumptions
  about ACPI device pairings.

  fujitsu-laptop: Don't oops when FUJ02E3 is not present"

* tag 'platform-drivers-x86-v4.14-2' of git://git.infradead.org/linux-platform-drivers-x86:
  platform/x86: fujitsu-laptop: Don't oops when FUJ02E3 is not presnt
This commit is contained in:
Linus Torvalds 2017-09-29 19:35:41 -07:00
parent 95dcc4dc38 ce7c47d60b
commit 74d83ec2b7
1 changed files with 6 additions and 4 deletions
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10
drivers/platform/x86/fujitsu-laptop.c
View file

@ -254,10 +254,12 @@ static int bl_update_status(struct backlight_device *b)
{
struct acpi_device *device = bl_get_data(b);
if (b->props.power == FB_BLANK_POWERDOWN)
call_fext_func(fext, FUNC_BACKLIGHT, 0x1, 0x4, 0x3);
else
call_fext_func(fext, FUNC_BACKLIGHT, 0x1, 0x4, 0x0);
if (fext) {
if (b->props.power == FB_BLANK_POWERDOWN)
call_fext_func(fext, FUNC_BACKLIGHT, 0x1, 0x4, 0x3);
else
call_fext_func(fext, FUNC_BACKLIGHT, 0x1, 0x4, 0x0);
}
return set_lcd_level(device, b->props.brightness);
}