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Commit 0572b12a authored by Arthur Wirski's avatar Arthur Wirski Committed by Matthew Garrett
Browse files

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: default avatarArthur Wirski <awirski@gmail.com>
Signed-off-by: default avatarMatthew Garrett <matthew.garrett@nebula.com>
parent d9e290a0

drivers/platform/x86/sony-laptop.c

+19 −1
Original line number Diff line number Diff line
@@ -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)