hw/input/lm832x: Move lm832x_key_event() declaration to "lm832x.h"

lm832x_key_event() is specific go LM832x devices, not to the
I2C bus API. Move it out of "i2c.h" to a new header.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Acked-by: Corey Minyard <cminyard@mvista.com>
Signed-off-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Signed-off-by: Corey Minyard <cminyard@mvista.com>

MAINTAINERS

@@ -792,6 +792,7 @@ F: hw/input/tsc2005.c
 F: hw/misc/cbus.c
 F: hw/rtc/twl92230.c
 F: include/hw/display/blizzard.h
+F: include/hw/input/lm832x.h
 F: include/hw/input/tsc2xxx.h
 F: include/hw/misc/cbus.h
 F: tests/acceptance/machine_arm_n8x0.py

hw/arm/nseries.c

@@ -34,6 +34,7 @@
 #include "hw/boards.h"
 #include "hw/i2c/i2c.h"
 #include "hw/display/blizzard.h"
+#include "hw/input/lm832x.h"
 #include "hw/input/tsc2xxx.h"
 #include "hw/misc/cbus.h"
 #include "hw/sensor/tmp105.h"

hw/input/lm832x.c

@@ -19,6 +19,7 @@
  */
 
 #include "qemu/osdep.h"
+#include "hw/input/lm832x.h"
 #include "hw/i2c/i2c.h"
 #include "hw/irq.h"
 #include "migration/vmstate.h"

include/hw/i2c/i2c.h

@@ -142,9 +142,6 @@ I2CSlave *i2c_slave_create_simple(I2CBus *bus, const char *name, uint8_t addr);
  */
 bool i2c_slave_realize_and_unref(I2CSlave *dev, I2CBus *bus, Error **errp);
 
-/* lm832x.c */
-void lm832x_key_event(DeviceState *dev, int key, int state);
-
 extern const VMStateDescription vmstate_i2c_slave;
 
 #define VMSTATE_I2C_SLAVE(_field, _state) {                          \

include/hw/input/lm832x.h

+/*
+ * National Semiconductor LM8322/8323 GPIO keyboard & PWM chips.
+ *
+ * Copyright (C) 2008 Nokia Corporation
+ * Written by Andrzej Zaborowski <andrew@openedhand.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 or
+ * (at your option) version 3 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef HW_INPUT_LM832X
+#define HW_INPUT_LM832X
+
+void lm832x_key_event(DeviceState *dev, int key, int state);
+
+#endif