From: Hans de Goede <hdego...@redhat.com>
[ Upstream commit 401fee8195d401b2b94dee57383f627050724d5b ]
Commit 78f3ac76d9e5 ("platform/x86: asus-wmi: Tell the EC the OS will
handle the display off hotkey") causes the backlight to be permanently off
on various EeePC laptop models using the eeepc-wmi driver (Asus EeePC
1015BX, Asus EeePC 1025C).
The asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL) call added
by that commit is made conditional in this commit and only enabled in
the quirk_entry structs in the asus-nb-wmi driver fixing the broken
display / backlight on various EeePC laptop models.
Cc: João Paulo Rechi Vita <jprv...@endlessm.com>
Fixes: 78f3ac76d9e5 ("platform/x86: asus-wmi: Tell the EC the OS will handle
the display off hotkey")
Signed-off-by: Hans de Goede <hdego...@redhat.com>
Signed-off-by: Andy Shevchenko <andriy.shevche...@linux.intel.com>
Signed-off-by: Sasha Levin <sas...@kernel.org>
---
drivers/platform/x86/asus-nb-wmi.c | 8 ++++++++
drivers/platform/x86/asus-wmi.c | 2 +-
drivers/platform/x86/asus-wmi.h | 1 +
3 files changed, 10 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/x86/asus-nb-wmi.c
b/drivers/platform/x86/asus-nb-wmi.c
index b6f2ff95c3ed..59f3a37a44d7 100644
--- a/drivers/platform/x86/asus-nb-wmi.c
+++ b/drivers/platform/x86/asus-nb-wmi.c
@@ -78,10 +78,12 @@ static bool asus_q500a_i8042_filter(unsigned char data,
unsigned char str,
static struct quirk_entry quirk_asus_unknown = {
.wapf = 0,
+ .wmi_backlight_set_devstate = true,
};
static struct quirk_entry quirk_asus_q500a = {
.i8042_filter = asus_q500a_i8042_filter,
+ .wmi_backlight_set_devstate = true,
};
/*
@@ -92,26 +94,32 @@ static struct quirk_entry quirk_asus_q500a = {
static struct quirk_entry quirk_asus_x55u = {
.wapf = 4,
.wmi_backlight_power = true,
+ .wmi_backlight_set_devstate = true,
.no_display_toggle = true,
};
static struct quirk_entry quirk_asus_wapf4 = {
.wapf = 4,
+ .wmi_backlight_set_devstate = true,
};
static struct quirk_entry quirk_asus_x200ca = {
.wapf = 2,
+ .wmi_backlight_set_devstate = true,
};
static struct quirk_entry quirk_asus_ux303ub = {
.wmi_backlight_native = true,
+ .wmi_backlight_set_devstate = true,
};
static struct quirk_entry quirk_asus_x550lb = {
+ .wmi_backlight_set_devstate = true,
.xusb2pr = 0x01D9,
};
static struct quirk_entry quirk_asus_forceals = {
+ .wmi_backlight_set_devstate = true,
.wmi_force_als_set = true,
};
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index db3556dc90d1..22eac449d3a3 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -2231,7 +2231,7 @@ static int asus_wmi_add(struct platform_device *pdev)
err = asus_wmi_backlight_init(asus);
if (err && err != -ENODEV)
goto fail_backlight;
- } else
+ } else if (asus->driver->quirks->wmi_backlight_set_devstate)
err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
status = wmi_install_notify_handler(asus->driver->event_guid,
diff --git a/drivers/platform/x86/asus-wmi.h b/drivers/platform/x86/asus-wmi.h
index 6c1311f4b04d..57a79bddb286 100644
--- a/drivers/platform/x86/asus-wmi.h
+++ b/drivers/platform/x86/asus-wmi.h
@@ -44,6 +44,7 @@ struct quirk_entry {
bool store_backlight_power;
bool wmi_backlight_power;
bool wmi_backlight_native;
+ bool wmi_backlight_set_devstate;
bool wmi_force_als_set;
int wapf;
/*
--
2.20.1
