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authorArthur Wirski <awirski@gmail.com>2013-03-17 20:21:35 +0100
committerMatthew Garrett <matthew.garrett@nebula.com>2013-05-08 19:59:44 -0400
commit0572b12aa23b96afacc936990539f4b67ae64bda (patch)
tree2f8ecda16a8f16bb1dacc48afaeb31e31b5f524e /drivers/platform/x86
parentd9e290a0ff16aaa51d968e7a0714ea5e2ca2407d (diff)
downloadlinux-linaro-stable-0572b12aa23b96afacc936990539f4b67ae64bda.tar.gz
sony-laptop: SVS151290S kbd backlight and gfx switch support
SVS151290S series uses handle 0x0163 for keyboard backlight and 0x015B for the graphics switch. Signed-off-by: Arthur Wirski <awirski@gmail.com> 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, 19 insertions, 1 deletions
diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c
index d544e3aaf761..2ac045f27f10 100644
--- a/drivers/platform/x86/sony-laptop.c
+++ b/drivers/platform/x86/sony-laptop.c
@@ -1255,6 +1255,11 @@ static void sony_nc_notify(struct acpi_device *device, u32 event)
real_ev = __sony_nc_gfx_switch_status_get();
break;
+ case 0x015B:
+ /* Hybrid GFX switching SVS151290S */
+ ev_type = GFX_SWITCH;
+ real_ev = __sony_nc_gfx_switch_status_get();
+ break;
default:
dprintk("Unknown event 0x%x for handle 0x%x\n",
event, handle);
@@ -1353,6 +1358,7 @@ static void sony_nc_function_setup(struct acpi_device *device,
break;
case 0x0128:
case 0x0146:
+ case 0x015B:
result = sony_nc_gfx_switch_setup(pf_device, handle);
if (result)
pr_err("couldn't set up GFX Switch status (%d)\n",
@@ -1375,6 +1381,7 @@ static void sony_nc_function_setup(struct acpi_device *device,
case 0x0143:
case 0x014b:
case 0x014c:
+ case 0x0163:
result = sony_nc_kbd_backlight_setup(pf_device, handle);
if (result)
pr_err("couldn't set up keyboard backlight function (%d)\n",
@@ -1426,6 +1433,7 @@ static void sony_nc_function_cleanup(struct platform_device *pd)
break;
case 0x0128:
case 0x0146:
+ case 0x015B:
sony_nc_gfx_switch_cleanup(pd);
break;
case 0x0131:
@@ -1439,6 +1447,7 @@ static void sony_nc_function_cleanup(struct platform_device *pd)
case 0x0143:
case 0x014b:
case 0x014c:
+ case 0x0163:
sony_nc_kbd_backlight_cleanup(pd);
break;
default:
@@ -1485,6 +1494,7 @@ static void sony_nc_function_resume(void)
case 0x0143:
case 0x014b:
case 0x014c:
+ case 0x0163:
sony_nc_kbd_backlight_resume();
break;
default:
@@ -2390,7 +2400,9 @@ static int __sony_nc_gfx_switch_status_get(void)
{
unsigned int result;
- if (sony_call_snc_handle(gfxs_ctl->handle, 0x0100, &result))
+ if (sony_call_snc_handle(gfxs_ctl->handle,
+ gfxs_ctl->handle == 0x015B ? 0x0000 : 0x0100,
+ &result))
return -EIO;
switch (gfxs_ctl->handle) {
@@ -2400,6 +2412,12 @@ static int __sony_nc_gfx_switch_status_get(void)
*/
return result & 0x1 ? SPEED : STAMINA;
break;
+ case 0x015B:
+ /* 0: discrete GFX (speed)
+ * 1: integrated GFX (stamina)
+ */
+ return result & 0x1 ? STAMINA : SPEED;
+ break;
case 0x0128:
/* it's a more elaborated bitmask, for now:
* 2: integrated GFX (stamina)