[media] v4l2: make vidioc_s_audio const

Write-only ioctls should have a const argument in the ioctl op.
Do this conversion for vidioc_s_audio.
Adding const for write-only ioctls was decided during the 2012 Media Workshop.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index bac4386c64b9..135bfd8c28ad 100644
--- a/drivers/media/pci/saa7134/saa7134-video.c
+++ b/drivers/media/pci/saa7134/saa7134-video.c
@@ -2089,7 +2089,7 @@ static int saa7134_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
         return 0;
 }
 
-static int saa7134_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
+static int saa7134_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
 {
         return 0;
 }
@@ -2373,7 +2373,7 @@ static int radio_g_audio(struct file *file, void *priv,
 }
 
 static int radio_s_audio(struct file *file, void *priv,
-                                        struct v4l2_audio *a)
+                                        const struct v4l2_audio *a)
 {
         return 0;
 }