[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>

9 files changed, 11 insertions, 11 deletions

diff --git a/drivers/media/usb/au0828/au0828-video.c b/drivers/media/usb/au0828/au0828-video.c
index fa0fa9ae91c7..870585570571 100644
--- a/drivers/media/usb/au0828/au0828-video.c
+++ b/drivers/media/usb/au0828/au0828-video.c
@@ -1465,7 +1465,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
         return 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
+static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
 {
         struct au0828_fh *fh = priv;
         struct au0828_dev *dev = fh->dev;
diff --git a/drivers/media/usb/cx231xx/cx231xx-video.c b/drivers/media/usb/cx231xx/cx231xx-video.c
index 790b28d7f764..fedf7852a355 100644
--- a/drivers/media/usb/cx231xx/cx231xx-video.c
+++ b/drivers/media/usb/cx231xx/cx231xx-video.c
@@ -1253,7 +1253,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
         return 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
+static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
 {
         struct cx231xx_fh *fh = priv;
         struct cx231xx *dev = fh->dev;
@@ -2096,7 +2096,7 @@ static int radio_s_tuner(struct file *file, void *priv, struct v4l2_tuner *t)
         return 0;
 }
 
-static int radio_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
+static int radio_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)
 {
         return 0;
 }
diff --git a/drivers/media/usb/em28xx/em28xx-video.c b/drivers/media/usb/em28xx/em28xx-video.c
index 78d6ebd712b9..1e553d357380 100644
--- a/drivers/media/usb/em28xx/em28xx-video.c
+++ b/drivers/media/usb/em28xx/em28xx-video.c
@@ -1352,7 +1352,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
         return 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
+static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
 {
         struct em28xx_fh   *fh  = priv;
         struct em28xx      *dev = fh->dev;
@@ -2087,7 +2087,7 @@ static int radio_s_tuner(struct file *file, void *priv,
 }
 
 static int radio_s_audio(struct file *file, void *fh,
-                         struct v4l2_audio *a)
+                         const struct v4l2_audio *a)
 {
         return 0;
 }
diff --git a/drivers/media/usb/hdpvr/hdpvr-video.c b/drivers/media/usb/hdpvr/hdpvr-video.c
index 0e9e156bb2aa..da6b77912222 100644
--- a/drivers/media/usb/hdpvr/hdpvr-video.c
+++ b/drivers/media/usb/hdpvr/hdpvr-video.c
@@ -677,7 +677,7 @@ static int vidioc_enumaudio(struct file *file, void *priv,
 }
 
 static int vidioc_s_audio(struct file *file, void *private_data,
-                          struct v4l2_audio *audio)
+                          const struct v4l2_audio *audio)
 {
         struct hdpvr_fh *fh = file->private_data;
         struct hdpvr_device *dev = fh->dev;
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
index f344aed32a93..7a445b0e725e 100644
--- a/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
@@ -333,7 +333,7 @@ static int pvr2_g_audio(struct file *file, void *priv, struct v4l2_audio *vin)
         return 0;
 }
 
-static int pvr2_s_audio(struct file *file, void *priv, struct v4l2_audio *vout)
+static int pvr2_s_audio(struct file *file, void *priv, const struct v4l2_audio *vout)
 {
         if (vout->index)
                 return -EINVAL;
diff --git a/drivers/media/usb/tlg2300/pd-radio.c b/drivers/media/usb/tlg2300/pd-radio.c
index 4fad1dfb92cf..25eeb166aa0b 100644
--- a/drivers/media/usb/tlg2300/pd-radio.c
+++ b/drivers/media/usb/tlg2300/pd-radio.c
@@ -348,7 +348,7 @@ static int vidioc_s_tuner(struct file *file, void *priv, struct v4l2_tuner *vt)
 {
         return vt->index > 0 ? -EINVAL : 0;
 }
-static int vidioc_s_audio(struct file *file, void *priv, struct v4l2_audio *va)
+static int vidioc_s_audio(struct file *file, void *priv, const struct v4l2_audio *va)
 {
         return (va->index != 0) ? -EINVAL : 0;
 }
diff --git a/drivers/media/usb/tlg2300/pd-video.c b/drivers/media/usb/tlg2300/pd-video.c
index bfbf9e56b0a4..1f448ac7a496 100644
--- a/drivers/media/usb/tlg2300/pd-video.c
+++ b/drivers/media/usb/tlg2300/pd-video.c
@@ -1029,7 +1029,7 @@ static int vidioc_g_audio(struct file *file, void *fh, struct v4l2_audio *a)
         return 0;
 }
 
-static int vidioc_s_audio(struct file *file, void *fh, struct v4l2_audio *a)
+static int vidioc_s_audio(struct file *file, void *fh, const struct v4l2_audio *a)
 {
         return (0 == a->index) ? 0 : -EINVAL;
 }
diff --git a/drivers/media/usb/tm6000/tm6000-video.c b/drivers/media/usb/tm6000/tm6000-video.c
index 45ed59cb2d04..4342cd4f5c8a 100644
--- a/drivers/media/usb/tm6000/tm6000-video.c
+++ b/drivers/media/usb/tm6000/tm6000-video.c
@@ -1401,7 +1401,7 @@ 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;
 }
diff --git a/drivers/media/usb/usbvision/usbvision-video.c b/drivers/media/usb/usbvision/usbvision-video.c
index 8a4317979a43..f67018ed3795 100644
--- a/drivers/media/usb/usbvision/usbvision-video.c
+++ b/drivers/media/usb/usbvision/usbvision-video.c
@@ -684,7 +684,7 @@ static int vidioc_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
 }
 
 static int vidioc_s_audio(struct file *file, void *fh,
-                          struct v4l2_audio *a)
+                          const struct v4l2_audio *a)
 {
         if (a->index)
                 return -EINVAL;