On Wed, 1 Sep 2010 17:08:39 +0800 Lee, Chun-Yi wrote: > Currently, there have no Poulsbo native video driver to support > intel opregion. So, use this stub driver to enable the acpi backlight > control sysfs entry files by requrest acpi_video_register. > > Signed-off-by: Lee, Chun-Yi <jlee@xxxxxxxxxx> > --- > drivers/gpu/Makefile | 2 +- > drivers/gpu/stub/Kconfig | 13 +++++++++ > drivers/gpu/stub/Makefile | 1 + > drivers/gpu/stub/poulsbo.c | 64 ++++++++++++++++++++++++++++++++++++++++++++ > drivers/video/Kconfig | 2 + > 5 files changed, 81 insertions(+), 1 deletions(-) > create mode 100644 drivers/gpu/stub/Kconfig > create mode 100644 drivers/gpu/stub/Makefile > create mode 100644 drivers/gpu/stub/poulsbo.c > > diff --git a/drivers/gpu/Makefile b/drivers/gpu/Makefile > index 30879df..cc92778 100644 > --- a/drivers/gpu/Makefile > +++ b/drivers/gpu/Makefile > @@ -1 +1 @@ > -obj-y += drm/ vga/ > +obj-y += drm/ vga/ stub/ > diff --git a/drivers/gpu/stub/Kconfig b/drivers/gpu/stub/Kconfig > new file mode 100644 > index 0000000..c564140 > --- /dev/null > +++ b/drivers/gpu/stub/Kconfig > @@ -0,0 +1,13 @@ > +config STUB_POULSBO > + tristate "Intel Poulsbo Stub Driver" > + default m Drop the "default m". > + # Poulsbo stub depends on ACPI_VIDEO when ACPI is enabled > + # but for select to work, need to select ACPI_VIDEO's dependencies, ick > + select ACPI_VIDEO if ACPI What does it do when ACPI is not enabled? Does the driver even build when APCI is not enabled? (given the acpi_video* calls in it) It also has pci_* calls in it, so it looks like it needs to depend on PCI && ACPI, or at least on PCI. > + help > + Choose this option if you have a system that has Intel Poulsbo > + integrated graphics. If M is selected, the module will be called > + Poulsbo. This driver is a stub driver for Poulsbo that will call > + poulsbo.ko to enable the acpi backlight control sysfs entry file > + because there have no poulsbo native driver can support intel > + opregion. --- ~Randy *** Remember to use Documentation/SubmitChecklist when testing your code *** -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
