[PATCH 6.0 050/157] platform/x86: asus-wmi: Add support for ROG X13 tablet mode

Greg Kroah-Hartman
2022-12-12T13:38:06Z

From: Luke D. Jones <luke@ljones.dev>

[ Upstream commit e397c3c460bf3849384f2f55516d1887617cfca9 ]

Add quirk for ASUS ROG X13 Flow 2-in-1 to enable tablet mode with
lid flip (all screen rotations).

Signed-off-by: Luke D. Jones <luke@ljones.dev>
Link: https://lore.kernel.org/r/20220813092753.6635-2-luke@ljones.dev
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/platform/x86/asus-nb-wmi.c | 15 +++++++++
drivers/platform/x86/asus-wmi.c | 37 ++++++++++++++++++++++
drivers/platform/x86/asus-wmi.h | 1 +
include/linux/platform_data/x86/asus-wmi.h | 1 +
4 files changed, 54 insertions(+)

diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c
index 4672a2b8322e..d9e7cf6e4a0e 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -123,6 +123,11 @@ static struct quirk_entry quirk_asus_use_lid_flip_devid = {
.tablet_switch_mode = asus_wmi_lid_flip_devid,
};

+static struct quirk_entry quirk_asus_tablet_mode = {
+ .wmi_backlight_set_devstate = true,
+ .tablet_switch_mode = asus_wmi_lid_flip_rog_devid,
+};
+
static int dmi_matched(const struct dmi_system_id *dmi)
{
pr_info("Identified laptop model '%s'\n", dmi->ident);
@@ -471,6 +476,15 @@ static const struct dmi_system_id asus_quirks[] = {
},
.driver_data = &quirk_asus_use_lid_flip_devid,
},
+ {
+ .callback = dmi_matched,
+ .ident = "ASUS ROG FLOW X13",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "GV301Q"),
+ },
+ .driver_data = &quirk_asus_tablet_mode,
+ },
{},
};

@@ -578,6 +592,7 @@ static const struct key_entry asus_nb_wmi_keymap[] = {
{ KE_KEY, 0xC5, { KEY_KBDILLUMDOWN } },
{ KE_IGNORE, 0xC6, }, /* Ambient Light Sensor notification */
{ KE_KEY, 0xFA, { KEY_PROG2 } }, /* Lid flip action */
+ { KE_KEY, 0xBD, { KEY_PROG2 } }, /* Lid flip action on ROG xflow laptops */
{ KE_END, 0},
};

diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 26f75c984448..dce93187e11f 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -68,6 +68,7 @@ module_param(fnlock_default, bool, 0444);
#define NOTIFY_KBD_FBM 0x99
#define NOTIFY_KBD_TTP 0xae
#define NOTIFY_LID_FLIP 0xfa
+#define NOTIFY_LID_FLIP_ROG 0xbd

#define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)

@@ -533,6 +534,19 @@ static int asus_wmi_input_init(struct asus_wmi *asus)
dev_err(dev, "Error checking for lid-flip: %d\n", result);
}
break;
+ case asus_wmi_lid_flip_rog_devid:
+ result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_LID_FLIP_ROG);
+ if (result < 0)
+ asus->driver->quirks->tablet_switch_mode = asus_wmi_no_tablet_switch;
+ if (result >= 0) {
+ input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
+ input_report_switch(asus->inputdev, SW_TABLET_MODE, result);
+ } else if (result == -ENODEV) {
+ dev_err(dev, "This device has lid-flip-rog quirk but got ENODEV checking it. This is a bug.");
+ } else {
+ dev_err(dev, "Error checking for lid-flip: %d\n", result);
+ }
+ break;
}

err = input_register_device(asus->inputdev);
@@ -567,6 +581,17 @@ static void lid_flip_tablet_mode_get_state(struct asus_wmi *asus)
}
}

+static void lid_flip_rog_tablet_mode_get_state(struct asus_wmi *asus)
+{
+ int result;
+
+ result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_LID_FLIP_ROG);
+ if (result >= 0) {
+ input_report_switch(asus->inputdev, SW_TABLET_MODE, result);
+ input_sync(asus->inputdev);
+ }
+}
+
/* dGPU ********************************************************************/
static int dgpu_disable_check_present(struct asus_wmi *asus)
{
@@ -3134,6 +3159,12 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
return;
}

+ if (asus->driver->quirks->tablet_switch_mode == asus_wmi_lid_flip_rog_devid &&
+ code == NOTIFY_LID_FLIP_ROG) {
+ lid_flip_rog_tablet_mode_get_state(asus);
+ return;
+ }
+
if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
fan_boost_mode_switch_next(asus);
return;
@@ -3773,6 +3804,9 @@ static int asus_hotk_resume(struct device *device)
case asus_wmi_lid_flip_devid:
lid_flip_tablet_mode_get_state(asus);
break;
+ case asus_wmi_lid_flip_rog_devid:
+ lid_flip_rog_tablet_mode_get_state(asus);
+ break;
}

return 0;
@@ -3821,6 +3855,9 @@ static int asus_hotk_restore(struct device *device)
case asus_wmi_lid_flip_devid:
lid_flip_tablet_mode_get_state(asus);
break;
+ case asus_wmi_lid_flip_rog_devid:
+ lid_flip_rog_tablet_mode_get_state(asus);
+ break;
}

return 0;
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index 413920bad0c6..0187f13d2414 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -29,6 +29,7 @@ enum asus_wmi_tablet_switch_mode {
asus_wmi_no_tablet_switch,
asus_wmi_kbd_dock_devid,
asus_wmi_lid_flip_devid,
+ asus_wmi_lid_flip_rog_devid,
};

struct quirk_entry {
diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
index 98f2b2f20f3e..7c96db7f3060 100644
--- a/include/linux/platform_data/x86/asus-wmi.h
+++ b/include/linux/platform_data/x86/asus-wmi.h
@@ -65,6 +65,7 @@
#define ASUS_WMI_DEVID_PANEL_OD 0x00050019
#define ASUS_WMI_DEVID_CAMERA 0x00060013
#define ASUS_WMI_DEVID_LID_FLIP 0x00060062
+#define ASUS_WMI_DEVID_LID_FLIP_ROG 0x00060077

/* Storage */
#define ASUS_WMI_DEVID_CARDREADER 0x00080013
--
2.35.1