media: gpio-ir: Put back signedness bugfix

Unintentional revert of

commit 955b44304a
Author: Dan Carpenter <dan.carpenter@oracle.com>
Date:   Sat Mar 10 04:58:18 2012 -0300

    [media] gpio-ir-recv: a couple signedness bugs

came in during the 3.4 upgrade. Put it back.

Change-Id: I8a7c84824a1bd30b11fa108e3da7c4e6feba256c
Signed-off-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>

drivers/media/rc/gpio-ir-recv.c

@@ -41,7 +41,7 @@ struct gpio_rc_dev {
 	struct rc_dev *rcdev;
 	struct pm_qos_request pm_qos_req;
 	struct timer_list gpio_ir_timer;
-	unsigned int gpio_nr;
+	int gpio_nr;
 	bool active_low;
 	int can_sleep;
 	bool can_wakeup;
@@ -52,7 +52,7 @@ struct gpio_rc_dev {
 static irqreturn_t gpio_ir_recv_irq(int irq, void *dev_id)
 {
 	struct gpio_rc_dev *gpio_dev = dev_id;
-	unsigned int gval;
+	int gval;
 	int rc = 0;
 	enum raw_event_type type = IR_SPACE;
 

include/media/gpio-ir-recv.h

@@ -14,7 +14,7 @@
 #define __GPIO_IR_RECV_H__
 
 struct gpio_ir_recv_platform_data {
-	unsigned int gpio_nr;
+	int gpio_nr;
 	bool active_low;
 	bool can_wakeup;
 	u32 swfi_latency;