aboutsummaryrefslogtreecommitdiff
path: root/drivers/platform/x86
diff options
context:
space:
mode:
authorMattia Dongili <malattia@linux.it>2012-12-21 07:21:11 +0900
committerMatthew Garrett <matthew.garrett@nebula.com>2013-02-27 08:30:37 -0500
commit7517a17c1abfc081d19298459f3d2a0d14a86566 (patch)
tree744636d6fc264fb0d17d0bf19b25110dca6e49c4 /drivers/platform/x86
parent3a7abcd809e75b3588dd4a6529238e2a9b009c9a (diff)
downloadlinux-linaro-stable-7517a17c1abfc081d19298459f3d2a0d14a86566.tar.gz
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>
Diffstat (limited to 'drivers/platform/x86')
-rw-r--r--drivers/platform/x86/sony-laptop.c20
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;