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path: root/drivers/platform/x86/ideapad-laptop.c
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Diffstat (limited to 'drivers/platform/x86/ideapad-laptop.c')
-rw-r--r--drivers/platform/x86/ideapad-laptop.c37
1 files changed, 35 insertions, 2 deletions
diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c
index 33b3dfdd1b08..3ea8fc6a9ca3 100644
--- a/drivers/platform/x86/ideapad-laptop.c
+++ b/drivers/platform/x86/ideapad-laptop.c
@@ -136,6 +136,7 @@ struct ideapad_private {
bool dytc : 1;
bool fan_mode : 1;
bool fn_lock : 1;
+ bool set_fn_lock_led : 1;
bool hw_rfkill_switch : 1;
bool kbd_bl : 1;
bool touchpad_ctrl_via_ec : 1;
@@ -154,7 +155,21 @@ MODULE_PARM_DESC(no_bt_rfkill, "No rfkill for bluetooth.");
static bool allow_v4_dytc;
module_param(allow_v4_dytc, bool, 0444);
-MODULE_PARM_DESC(allow_v4_dytc, "Enable DYTC version 4 platform-profile support.");
+MODULE_PARM_DESC(allow_v4_dytc,
+ "Enable DYTC version 4 platform-profile support. "
+ "If you need this please report this to: platform-driver-x86@vger.kernel.org");
+
+static bool hw_rfkill_switch;
+module_param(hw_rfkill_switch, bool, 0444);
+MODULE_PARM_DESC(hw_rfkill_switch,
+ "Enable rfkill support for laptops with a hw on/off wifi switch/slider. "
+ "If you need this please report this to: platform-driver-x86@vger.kernel.org");
+
+static bool set_fn_lock_led;
+module_param(set_fn_lock_led, bool, 0444);
+MODULE_PARM_DESC(set_fn_lock_led,
+ "Enable driver based updates of the fn-lock LED on fn-lock changes. "
+ "If you need this please report this to: platform-driver-x86@vger.kernel.org");
/*
* ACPI Helpers
@@ -1501,6 +1516,9 @@ static void ideapad_wmi_notify(u32 value, void *context)
ideapad_input_report(priv, value);
break;
case 208:
+ if (!priv->features.set_fn_lock_led)
+ break;
+
if (!eval_hals(priv->adev->handle, &result)) {
bool state = test_bit(HALS_FNLOCK_STATE_BIT, &result);
@@ -1514,6 +1532,18 @@ static void ideapad_wmi_notify(u32 value, void *context)
}
#endif
+/* On some models we need to call exec_sals(SALS_FNLOCK_ON/OFF) to set the LED */
+static const struct dmi_system_id set_fn_lock_led_list[] = {
+ {
+ /* https://bugzilla.kernel.org/show_bug.cgi?id=212671 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+ DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo Legion R7000P2020H"),
+ }
+ },
+ {}
+};
+
/*
* Some ideapads have a hardware rfkill switch, but most do not have one.
* Reading VPCCMD_R_RF always results in 0 on models without a hardware rfkill,
@@ -1556,7 +1586,10 @@ static void ideapad_check_features(struct ideapad_private *priv)
acpi_handle handle = priv->adev->handle;
unsigned long val;
- priv->features.hw_rfkill_switch = dmi_check_system(hw_rfkill_list);
+ priv->features.set_fn_lock_led =
+ set_fn_lock_led || dmi_check_system(set_fn_lock_led_list);
+ priv->features.hw_rfkill_switch =
+ hw_rfkill_switch || dmi_check_system(hw_rfkill_list);
/* Most ideapads with ELAN0634 touchpad don't use EC touchpad switch */
if (acpi_dev_present("ELAN0634", NULL, -1))