sony-laptop: support basic functions for handle 0x14B and 0x14C

Z series and other recent models have 0x14? for lid and keyboard
backlight.

Signed-off-by: Mattia Dongili <malattia@linux.it>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>

1 files changed, 20 insertions, 0 deletions

diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index 46c71f49a6b4..438c7fa999f8 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1373,6 +1373,8 @@ static void sony_nc_function_setup(struct acpi_device *device,
                         break;
                 case 0x0137:
                 case 0x0143:
+                case 0x014b:
+                case 0x014c:
                         result = sony_nc_kbd_backlight_setup(pf_device, handle);
                         if (result)
                                 pr_err("couldn't set up keyboard backlight function (%d)\n",
@@ -1435,6 +1437,8 @@ static void sony_nc_function_cleanup(struct platform_device *pd)
                         break;
                 case 0x0137:
                 case 0x0143:
+                case 0x014b:
+                case 0x014c:
                         sony_nc_kbd_backlight_cleanup(pd);
                         break;
                 default:
@@ -1479,6 +1483,8 @@ static void sony_nc_function_resume(void)
                         break;
                 case 0x0137:
                 case 0x0143:
+                case 0x014b:
+                case 0x014c:
                         sony_nc_kbd_backlight_resume();
                         break;
                 default:
@@ -2636,6 +2642,8 @@ static void sony_nc_backlight_ng_read_limits(int handle,
                 lvl_table_len = 9;
                 break;
         case 0x143:
+        case 0x14b:
+        case 0x14c:
                 lvl_table_len = 16;
                 break;
         }
@@ -2687,6 +2695,18 @@ static void sony_nc_backlight_setup(void)
                 sony_nc_backlight_ng_read_limits(0x143, &sony_bl_props);
                 max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
 
+        } else if (sony_find_snc_handle(0x14b) >= 0) {
+                ops = &sony_backlight_ng_ops;
+                sony_bl_props.cmd_base = 0x3000;
+                sony_nc_backlight_ng_read_limits(0x14b, &sony_bl_props);
+                max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
+
+        } else if (sony_find_snc_handle(0x14c) >= 0) {
+                ops = &sony_backlight_ng_ops;
+                sony_bl_props.cmd_base = 0x3000;
+                sony_nc_backlight_ng_read_limits(0x14c, &sony_bl_props);
+                max_brightness = sony_bl_props.maxlvl - sony_bl_props.offset;
+
         } else if (ACPI_SUCCESS(acpi_get_handle(sony_nc_acpi_handle, "GBRT",
                                                 &unused))) {
                 ops = &sony_backlight_ops;