diff options
| -rw-r--r-- | drivers/misc/thinkpad_acpi.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 2c85a2e10a2..cd263c518e0 100644 --- a/drivers/misc/thinkpad_acpi.c +++ b/drivers/misc/thinkpad_acpi.c @@ -237,6 +237,10 @@ static struct { u32 hotkey_poll_active:1; } tp_features; +static struct { + u16 hotkey_mask_ff:1; +} tp_warned; + struct thinkpad_id_data { unsigned int vendor; /* ThinkPad vendor: * PCI_VENDOR_ID_IBM/PCI_VENDOR_ID_LENOVO */ @@ -1182,6 +1186,19 @@ static int hotkey_mask_set(u32 mask) int rc = 0; if (tp_features.hotkey_mask) { + if (!tp_warned.hotkey_mask_ff && + (mask == 0xffff || mask == 0xffffff || + mask == 0xffffffff)) { + tp_warned.hotkey_mask_ff = 1; + printk(TPACPI_NOTICE + "setting the hotkey mask to 0x%08x is likely " + "not the best way to go about it\n", mask); + printk(TPACPI_NOTICE + "please consider using the driver defaults, " + "and refer to up-to-date thinkpad-acpi " + "documentation\n"); + } + HOTKEY_CONFIG_CRITICAL_START for (i = 0; i < 32; i++) { u32 m = 1 << i; |