From e3a3a69da1778dcd4c9144b836329bd6b41430f1 Mon Sep 17 00:00:00 2001 From: Hans de Goede Date: Mon, 19 Oct 2020 20:56:27 +0200 Subject: [PATCH] platform/x86: acer-wmi: Add ACER_CAP_SET_FUNCTION_MODE capability flag [ Upstream commit 82cb8a5c395ea5be20e0fe31a8fe84380a502ca5 ] Not all devices supporting WMID_GUID3 support the wmid3_set_function_mode() call, leading to errors like these: [ 60.138358] acer_wmi: Enabling RF Button failed: 0x1 - 0xff [ 60.140036] acer_wmi: Enabling Launch Manager failed: 0x1 - 0xff Add an ACER_CAP_SET_FUNCTION_MODE capability flag, so that these calls can be disabled through the new force_caps mechanism. Reviewed-by: Andy Shevchenko Signed-off-by: Hans de Goede Link: https://lore.kernel.org/r/20201019185628.264473-5-hdegoede@redhat.com Signed-off-by: Sasha Levin --- drivers/platform/x86/acer-wmi.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index e26ae1d917ea..bde37be6973e 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -211,6 +211,7 @@ struct hotkey_function_type_aa { #define ACER_CAP_BLUETOOTH BIT(2) #define ACER_CAP_BRIGHTNESS BIT(3) #define ACER_CAP_THREEG BIT(4) +#define ACER_CAP_SET_FUNCTION_MODE BIT(5) /* * Interface type flags @@ -2202,10 +2203,14 @@ static int __init acer_wmi_init(void) if (acpi_video_get_backlight_type() != acpi_backlight_vendor) interface->capability &= ~ACER_CAP_BRIGHTNESS; + if (wmi_has_guid(WMID_GUID3)) + interface->capability |= ACER_CAP_SET_FUNCTION_MODE; + if (force_caps != -1) interface->capability = force_caps; - if (wmi_has_guid(WMID_GUID3)) { + if (wmi_has_guid(WMID_GUID3) && + (interface->capability & ACER_CAP_SET_FUNCTION_MODE)) { if (ACPI_FAILURE(acer_wmi_enable_rf_button())) pr_warn("Cannot enable RF Button Driver\n");