diff options
| -rw-r--r-- | drivers/media/IR/ir-keytable.c | 57 | ||||
| -rw-r--r-- | include/media/ir-core.h | 4 |
2 files changed, 60 insertions, 1 deletions
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c index 73fe4be..e59290f 100644 --- a/drivers/media/IR/ir-keytable.c +++ b/drivers/media/IR/ir-keytable.c @@ -365,7 +365,7 @@ static int ir_setkeycode(struct input_dev *dev, * * This routine is used by the input routines when a key is pressed at the * IR. The scancode is received and needs to be converted into a keycode. - * If the key is not found, it returns KEY_UNKNOWN. Otherwise, returns the + * If the key is not found, it returns KEY_RESERVED. Otherwise, returns the * corresponding keycode from the table. */ u32 ir_g_keycode_from_table(struct input_dev *dev, u32 scancode) @@ -392,6 +392,61 @@ u32 ir_g_keycode_from_table(struct input_dev *dev, u32 scancode) EXPORT_SYMBOL_GPL(ir_g_keycode_from_table); /** + * ir_keyup() - generates input event to cleanup a key press + * @input_dev: the struct input_dev descriptor of the device + * + * This routine is used by the input routines when a key is pressed at the + * IR. It reports a keyup input event via input_report_key(). + */ +void ir_keyup(struct input_dev *dev) +{ + struct ir_input_dev *ir = input_get_drvdata(dev); + + if (!ir->keypressed) + return; + + input_report_key(dev, ir->keycode, 0); + input_sync(dev); + ir->keypressed = 0; +} +EXPORT_SYMBOL_GPL(ir_keyup); + +/** + * ir_keydown() - generates input event for a key press + * @input_dev: the struct input_dev descriptor of the device + * @scancode: the scancode that we're seeking + * + * This routine is used by the input routines when a key is pressed at the + * IR. It gets the keycode for a scancode and reports an input event via + * input_report_key(). + */ +void ir_keydown(struct input_dev *dev, int scancode) +{ + struct ir_input_dev *ir = input_get_drvdata(dev); + + u32 keycode = ir_g_keycode_from_table(dev, scancode); + + /* If already sent a keydown, do a keyup */ + if (ir->keypressed) + ir_keyup(dev); + + if (KEY_RESERVED == keycode) + return; + + ir->keycode = keycode; + ir->keypressed = 1; + + IR_dprintk(1, "%s: key down event, key 0x%04x, scancode 0x%04x\n", + dev->name, keycode, scancode); + + input_report_key(dev, ir->keycode, 1); + input_sync(dev); + +} +EXPORT_SYMBOL_GPL(ir_keydown); + + +/** * ir_input_register() - sets the IR keycode table and add the handlers * for keymap table get/set * @input_dev: the struct input_dev descriptor of the device diff --git a/include/media/ir-core.h b/include/media/ir-core.h index 369969d..198fd61 100644 --- a/include/media/ir-core.h +++ b/include/media/ir-core.h @@ -72,6 +72,10 @@ struct ir_input_dev { unsigned long devno; /* device number */ const struct ir_dev_props *props; /* Device properties */ struct ir_raw_event_ctrl *raw; /* for raw pulse/space events */ + + /* key info - needed by IR keycode handlers */ + u32 keycode; /* linux key code */ + int keypressed; /* current state */ }; #define to_ir_input_dev(_attr) container_of(_attr, struct ir_input_dev, attr) |