Make use of acpi_video_backlight_support() also in hotkey_init, to make
sure this doesn't happen:
thinkpad_acpi: This ThinkPad has standard ACPI backlight brightness
control, supported by the ACPI video driver
thinkpad_acpi: Disabling thinkpad-acpi brightness events by default...
thinkpad_acpi: Standard ACPI backlight interface not available,
thinkpad_acpi native brightness control enabled
thinkpad_acpi: detected a 16-level brightness capable ThinkPad
Note that this is purely cosmetic, there is absolutely _no_ change in
behaviour. Those events are sometimes enabled at runtime by userspace, but
the driver never enables them by itself unless someone messed with the
default keymaps.
Signed-off-by: Henrique de Moraes Holschuh <h...@hmh.eng.br>
Reported-by: Jochen Schulz <jrsch...@well-adjusted.de>
---
drivers/platform/x86/thinkpad_acpi.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/platform/x86/thinkpad_acpi.c
b/drivers/platform/x86/thinkpad_acpi.c
index 06c7c03..5a22a06 100644
--- a/drivers/platform/x86/thinkpad_acpi.c
+++ b/drivers/platform/x86/thinkpad_acpi.c
@@ -2655,7 +2655,7 @@ static int __init hotkey_init(struct ibm_init_struct
*iibm)
/* update bright_acpimode... */
tpacpi_check_std_acpi_brightness_support();
- if (tp_features.bright_acpimode) {
+ if (tp_features.bright_acpimode && acpi_video_backlight_support()) {
printk(TPACPI_INFO
"This ThinkPad has standard ACPI backlight "
"brightness control, supported by the ACPI "
--
1.6.2.4
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