Gitweb:
http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=534565f254490227e3bec20d50f387800960acd9
Commit: 534565f254490227e3bec20d50f387800960acd9
Parent: b9973954c5f3264a2afa6ec357adb542f4b76e06
Author: Dmitry Torokhov <[EMAIL PROTECTED]>
AuthorDate: Wed Apr 25 00:53:18 2007 -0400
Committer: Dmitry Torokhov <[EMAIL PROTECTED]>
CommitDate: Wed Apr 25 00:53:18 2007 -0400
Input: add input_set_capability() helper
Add input_set_capability() helper used to indicate that an input
device supports a certain event without need to manipulate bitmaps
directly.
Signed-off-by: Dmitry Torokhov <[EMAIL PROTECTED]>
---
drivers/input/input.c | 56 +++++++++++++++++++++++++++++++++++++++++++++++++
include/linux/input.h | 2 +
2 files changed, 58 insertions(+), 0 deletions(-)
diff --git a/drivers/input/input.c b/drivers/input/input.c
index 173c286..915e9ab 100644
--- a/drivers/input/input.c
+++ b/drivers/input/input.c
@@ -1046,6 +1046,62 @@ void input_free_device(struct input_dev *dev)
}
EXPORT_SYMBOL(input_free_device);
+/**
+ * input_set_capability - mark device as capable of a certain event
+ * @dev: device that is capable of emitting or accepting event
+ * @type: type of the event (EV_KEY, EV_REL, etc...)
+ * @code: event code
+ *
+ * In addition to setting up corresponding bit in appropriate capability
+ * bitmap the function also adjusts dev->evbit.
+ */
+void input_set_capability(struct input_dev *dev, unsigned int type, unsigned
int code)
+{
+ switch (type) {
+ case EV_KEY:
+ __set_bit(code, dev->keybit);
+ break;
+
+ case EV_REL:
+ __set_bit(code, dev->relbit);
+ break;
+
+ case EV_ABS:
+ __set_bit(code, dev->absbit);
+ break;
+
+ case EV_MSC:
+ __set_bit(code, dev->mscbit);
+ break;
+
+ case EV_SW:
+ __set_bit(code, dev->swbit);
+ break;
+
+ case EV_LED:
+ __set_bit(code, dev->ledbit);
+ break;
+
+ case EV_SND:
+ __set_bit(code, dev->sndbit);
+ break;
+
+ case EV_FF:
+ __set_bit(code, dev->ffbit);
+ break;
+
+ default:
+ printk(KERN_ERR
+ "input_set_capability: unknown type %u (code %u)\n",
+ type, code);
+ dump_stack();
+ return;
+ }
+
+ __set_bit(type, dev->evbit);
+}
+EXPORT_SYMBOL(input_set_capability);
+
int input_register_device(struct input_dev *dev)
{
static atomic_t input_no = ATOMIC_INIT(0);
diff --git a/include/linux/input.h b/include/linux/input.h
index 7b6d7c4..1789ee9 100644
--- a/include/linux/input.h
+++ b/include/linux/input.h
@@ -1160,6 +1160,8 @@ static inline void input_sync(struct input_dev *dev)
input_event(dev, EV_SYN, SYN_REPORT, 0);
}
+void input_set_capability(struct input_dev *dev, unsigned int type, unsigned
int code);
+
static inline void input_set_abs_params(struct input_dev *dev, int axis, int
min, int max, int fuzz, int flat)
{
dev->absmin[axis] = min;
-
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