V4L/DVB (7139): add parentheses

'!' has a higher priority than '&': bitanding has no effect.

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/tvaudio.c b/drivers/media/video/tvaudio.c
index a755605..01ebcec 100644
--- a/drivers/media/video/tvaudio.c
+++ b/drivers/media/video/tvaudio.c
@@ -1571,14 +1571,14 @@
 		ctrl->value=chip->muted;
 		return 0;
 	case V4L2_CID_AUDIO_VOLUME:
-		if (!desc->flags & CHIP_HAS_VOLUME)
+		if (!(desc->flags & CHIP_HAS_VOLUME))
 			break;
 		ctrl->value = max(chip->left,chip->right);
 		return 0;
 	case V4L2_CID_AUDIO_BALANCE:
 	{
 		int volume;
-		if (!desc->flags & CHIP_HAS_VOLUME)
+		if (!(desc->flags & CHIP_HAS_VOLUME))
 			break;
 		volume = max(chip->left,chip->right);
 		if (volume)
@@ -1621,7 +1621,7 @@
 	{
 		int volume,balance;
 
-		if (!desc->flags & CHIP_HAS_VOLUME)
+		if (!(desc->flags & CHIP_HAS_VOLUME))
 			break;
 
 		volume = max(chip->left,chip->right);
@@ -1642,7 +1642,7 @@
 	case V4L2_CID_AUDIO_BALANCE:
 	{
 		int volume, balance;
-		if (!desc->flags & CHIP_HAS_VOLUME)
+		if (!(desc->flags & CHIP_HAS_VOLUME))
 			break;
 
 		volume = max(chip->left,chip->right);
@@ -1702,7 +1702,7 @@
 				break;
 			case V4L2_CID_AUDIO_VOLUME:
 			case V4L2_CID_AUDIO_BALANCE:
-				if (!desc->flags & CHIP_HAS_VOLUME)
+				if (!(desc->flags & CHIP_HAS_VOLUME))
 					return -EINVAL;
 				break;
 			case V4L2_CID_AUDIO_BASS: