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-rw-r--r--drivers/misc/Kconfig13
-rw-r--r--drivers/misc/thinkpad_acpi.c19
2 files changed, 29 insertions, 3 deletions
diff --git a/drivers/misc/Kconfig b/drivers/misc/Kconfig
index 1d516f24ba53..5197f9b9b65d 100644
--- a/drivers/misc/Kconfig
+++ b/drivers/misc/Kconfig
@@ -196,4 +196,17 @@ config THINKPAD_ACPI_BAY
If you are not sure, say Y here.
+config THINKPAD_ACPI_INPUT_ENABLED
+ bool "Enable input layer support by default"
+ depends on THINKPAD_ACPI
+ default y
+ ---help---
+ Enables hot key handling over the input layer by default. If unset,
+ the driver does not enable any hot key handling by default, and also
+ starts up with a mostly empty keymap.
+
+ If you are not sure, say Y here. Say N to retain the deprecated
+ behavior of ibm-acpi, and thinkpad-acpi for kernels up to 2.6.21.
+
+
endif # MISC_DEVICES
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 5c1bea1a6c37..c86b228375cc 100644
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -734,9 +734,9 @@ static u32 hotkey_reserved_mask;
static u16 hotkey_keycode_map[] = {
/* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
+ KEY_FN_F1, KEY_FN_F2, KEY_FN_F3, KEY_SLEEP,
+ KEY_FN_F5, KEY_FN_F6, KEY_FN_F7, KEY_FN_F8,
+ KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND,
/* Scan codes 0x0C to 0x0F: Other ACPI HKEY hot keys */
KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */
KEY_UNKNOWN, /* 0x0D: FN+INSERT */
@@ -977,6 +977,11 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
if (res)
return res;
+#ifndef CONFIG_THINKPAD_ACPI_INPUT_ENABLED
+ for (i = 0; i < 12; i++)
+ hotkey_keycode_map[i] = KEY_UNKNOWN;
+#endif /* ! CONFIG_THINKPAD_ACPI_INPUT_ENABLED */
+
set_bit(EV_KEY, tpacpi_inputdev->evbit);
set_bit(EV_MSC, tpacpi_inputdev->evbit);
set_bit(MSC_SCAN, tpacpi_inputdev->mscbit);
@@ -993,6 +998,14 @@ static int __init hotkey_init(struct ibm_init_struct *iibm)
}
}
+#ifdef CONFIG_THINKPAD_ACPI_INPUT_ENABLED
+ dbg_printk(TPACPI_DBG_INIT,
+ "enabling hot key handling\n");
+ res = hotkey_set(1, (hotkey_all_mask & ~hotkey_reserved_mask)
+ | hotkey_orig_mask);
+ if (res)
+ return res;
+#endif /* CONFIG_THINKPAD_ACPI_INPUT_ENABLED */
}
return (tp_features.hotkey)? 0 : 1;