USB: misc: chaoskey: Use true and false for boolean values

["Gustavo A. R. Silva" <gustavo@embeddedor.com>]

Assign true or false to boolean variables instead of an integer value.

This issue was detected with the help of Coccinelle.

Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com>
---
 drivers/usb/misc/chaoskey.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/usb/misc/chaoskey.c b/drivers/usb/misc/chaoskey.c
index b6a1b93..716cb51 100644
--- a/drivers/usb/misc/chaoskey.c
+++ b/drivers/usb/misc/chaoskey.c
@@ -183,10 +183,10 @@ static int chaoskey_probe(struct usb_interface *interface,
 	dev->in_ep = in_ep;
 
 	if (le16_to_cpu(udev->descriptor.idVendor) != ALEA_VENDOR_ID)
-		dev->reads_started = 1;
+		dev->reads_started = true;
 
 	dev->size = size;
-	dev->present = 1;
+	dev->present = true;
 
 	init_waitqueue_head(&dev->wait_q);
 
@@ -239,7 +239,7 @@ static void chaoskey_disconnect(struct usb_interface *interface)
 	usb_set_intfdata(interface, NULL);
 	mutex_lock(&dev->lock);
 
-	dev->present = 0;
+	dev->present = false;
 	usb_poison_urb(dev->urb);
 
 	if (!dev->open) {