sony_acpi: Add backlight support to the sony_acpi v2
Enable the sony_acpi driver to use the backlight subsysyem for adjusting
the monitor brightness. Old way of changing the brightness will be still
available for compatibility with existing tools.
Signed-off-by: Alessandro Guido <alessandro.guido@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Len Brown <len.brown@intel.com>
diff --git a/drivers/acpi/sony_acpi.c b/drivers/acpi/sony_acpi.c
index d509468..fd7d55a 100644
--- a/drivers/acpi/sony_acpi.c
+++ b/drivers/acpi/sony_acpi.c
@@ -77,6 +77,14 @@
int debug; /* active only in debug mode ? */
} sony_acpi_values[] = {
{
+ .name = "brightness",
+ .acpiget = "GBRT",
+ .acpiset = "SBRT",
+ .min = 1,
+ .max = SONY_MAX_BRIGHTNESS,
+ .debug = 0,
+ },
+ {
.name = "brightness_default",
.acpiget = "GPBR",
.acpiset = "SPBR",