[media] em28xx: use true/false for boolean vars

Instead of using 0 or 1 for boolean, use the true/false
defines.
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/usb/em28xx/em28xx-input.c

@@ -609,17 +609,17 @@ static int em28xx_register_snapshot_button(struct em28xx *dev)
 static void em28xx_init_buttons(struct em28xx *dev)
 {
 	u8  i = 0, j = 0;
-	bool addr_new = 0;
+	bool addr_new = false;
 
 	dev->button_polling_interval = EM28XX_BUTTONS_DEBOUNCED_QUERY_INTERVAL;
 	while (dev->board.buttons[i].role >= 0 &&
 			 dev->board.buttons[i].role < EM28XX_NUM_BUTTON_ROLES) {
 		struct em28xx_button *button = &dev->board.buttons[i];
 		/* Check if polling address is already on the list */
-		addr_new = 1;
+		addr_new = true;
 		for (j = 0; j < dev->num_button_polling_addresses; j++) {
 			if (button->reg_r == dev->button_polling_addresses[j]) {
-				addr_new = 0;
+				addr_new = false;
 				break;
 			}
 		}

drivers/media/usb/em28xx/em28xx-video.c

@@ -721,7 +721,7 @@ static inline void process_frame_data_em25xx(struct em28xx *dev,
 	struct em28xx_buffer    *buf = dev->usb_ctl.vid_buf;
 	struct em28xx_dmaqueue  *dmaq = &dev->vidq;
 	struct em28xx_v4l2      *v4l2 = dev->v4l2;
-	bool frame_end = 0;
+	bool frame_end = false;
 
 	/* Check for header */
 	/* NOTE: at least with bulk transfers, only the first packet
@@ -2308,7 +2308,7 @@ static int em28xx_v4l2_init(struct em28xx *dev)
 	v4l2->v4l2_dev.ctrl_handler = hdl;
 
 	if (dev->board.is_webcam)
-		v4l2->progressive = 1;
+		v4l2->progressive = true;
 
 	/*
 	 * Default format, used for tvp5150 or saa711x output formats