On Wed, Jun 10, 2015 at 03:01:28PM +0200, Hans de Goede wrote:
> Port the backlight selection logic to the new backlight interface
> selection API.
>
> This commit also removes various obsolete pr_xxx messages related to
> backlight interface selection. These are obsolete because they assume
> there is only a vendor or acpi backlight driver and no other choice.
> Also they are not necessary, if the user wants to know which backlight
> interfaces are registered a simple "ls /sys/class/backlight" suffices.
>
> Signed-off-by: Hans de Goede <hdegoede@xxxxxxxxxx>
Acked-by: Mattia Dongili <malattia@xxxxxxxx>
> ---
> drivers/platform/x86/sony-laptop.c | 6 ++----
> 1 file changed, 2 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
> index e51c1e7..6207be6 100644
> --- a/drivers/platform/x86/sony-laptop.c
> +++ b/drivers/platform/x86/sony-laptop.c
> @@ -69,6 +69,7 @@
> #include <linux/miscdevice.h>
> #endif
> #include <asm/uaccess.h>
> +#include <acpi/video.h>
>
> #define dprintk(fmt, ...) \
> do { \
> @@ -3199,11 +3200,8 @@ static int sony_nc_add(struct acpi_device *device)
> }
>
> /* setup input devices and helper fifo */
> - if (acpi_video_backlight_support()) {
The comment above is really misplaced. I wouldn'd mind if you got rid of
that too.
> - pr_info("brightness ignored, must be controlled by ACPI video driver\n");
> - } else {
> + if (acpi_video_get_backlight_type() == acpi_backlight_vendor)
> sony_nc_backlight_setup();
> - }
>
> /* create sony_pf sysfs attributes related to the SNC device */
> for (item = sony_nc_values; item->name; ++item) {
> --
> 2.4.2
>
--
mattia
:wq!
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