From: Marco Chiappero <[email protected]> Some Vaios come with both integrated and discrete graphics, plus a switch for choosing one of the two. When the switch position is changed, a notification is generated.
Signed-off-by: Marco Chiappero <[email protected]> Signed-off-by: Mattia Dongili <[email protected]> --- drivers/platform/x86/sony-laptop.c | 21 ++++++++++++++++++++- 1 file changed, 20 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/sony-laptop.c b/drivers/platform/x86/sony-laptop.c index 615ab06..4f42e56 100644 --- a/drivers/platform/x86/sony-laptop.c +++ b/drivers/platform/x86/sony-laptop.c @@ -1174,7 +1174,8 @@ static int sony_nc_hotkeys_decode(u32 event, unsigned int handle) */ enum event_types { HOTKEY = 1, - KILLSWITCH + KILLSWITCH, + GFX_SWITCH }; static void sony_nc_notify(struct acpi_device *device, u32 event) { @@ -1230,6 +1231,24 @@ static void sony_nc_notify(struct acpi_device *device, u32 event) break; + case 0x0128: + case 0x0146: + /* Hybrid GFX switching */ + sony_call_snc_handle(handle, 0x0000, &result); + dprintk("GFX switch event received (reason: %s)\n", + (result & 0x01) ? + "switch change" : "unknown"); + + /* verify the switch state + * 1: discrete GFX + * 0: integrated GFX + */ + sony_call_snc_handle(handle, 0x0100, &result); + + ev_type = GFX_SWITCH; + real_ev = result & 0xff; + break; + default: dprintk("Unknown event 0x%x for handle 0x%x\n", event, handle); -- 1.7.10 -- To unsubscribe from this list: send the line "unsubscribe platform-driver-x86" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
