[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>

7 files changed, 9 insertions, 9 deletions

diff --git a/drivers/media/pci/bt8xx/bttv-driver.c b/drivers/media/pci/bt8xx/bttv-driver.c
index 26bf309..31b2826 100644
--- a/drivers/media/pci/bt8xx/bttv-driver.c
+++ b/drivers/media/pci/bt8xx/bttv-driver.c
@@ -3076,7 +3076,7 @@ static int bttv_g_audio(struct file *file, void *priv, struct v4l2_audio *a)
 	return 0;
 }
 
-static int bttv_s_audio(struct file *file, void *priv, struct v4l2_audio *a)
+static int bttv_s_audio(struct file *file, void *priv, const struct v4l2_audio *a)
 {
 	if (unlikely(a->index))
 		return -EINVAL;
@@ -3480,7 +3480,7 @@ static int radio_s_tuner(struct file *file, void *priv,
 }
 
 static int radio_s_audio(struct file *file, void *priv,
-					struct v4l2_audio *a)
+					const struct v4l2_audio *a)
 {
 	if (unlikely(a->index))
 		return -EINVAL;
diff --git a/drivers/media/pci/cx18/cx18-ioctl.c b/drivers/media/pci/cx18/cx18-ioctl.c
index e9912db..ff31544 100644
--- a/drivers/media/pci/cx18/cx18-ioctl.c
+++ b/drivers/media/pci/cx18/cx18-ioctl.c
@@ -492,7 +492,7 @@ static int cx18_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 	return cx18_get_audio_input(cx, vin->index, vin);
 }
 
-static int cx18_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
+static int cx18_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout)
 {
 	struct cx18 *cx = fh2id(fh)->cx;
 
diff --git a/drivers/media/pci/cx23885/cx23885-video.c b/drivers/media/pci/cx23885/cx23885-video.c
index 22f8e7f..8c4a9a5 100644
--- a/drivers/media/pci/cx23885/cx23885-video.c
+++ b/drivers/media/pci/cx23885/cx23885-video.c
@@ -1426,7 +1426,7 @@ static int vidioc_g_audinput(struct file *file, void *priv,
 }
 
 static int vidioc_s_audinput(struct file *file, void *priv,
-	struct v4l2_audio *i)
+	const struct v4l2_audio *i)
 {
 	struct cx23885_dev *dev = ((struct cx23885_fh *)priv)->dev;
 	if (i->index >= 2)
diff --git a/drivers/media/pci/ivtv/ivtv-ioctl.c b/drivers/media/pci/ivtv/ivtv-ioctl.c
index 966abb4..99e35dd 100644
--- a/drivers/media/pci/ivtv/ivtv-ioctl.c
+++ b/drivers/media/pci/ivtv/ivtv-ioctl.c
@@ -784,7 +784,7 @@ static int ivtv_g_audio(struct file *file, void *fh, struct v4l2_audio *vin)
 	return ivtv_get_audio_input(itv, vin->index, vin);
 }
 
-static int ivtv_s_audio(struct file *file, void *fh, struct v4l2_audio *vout)
+static int ivtv_s_audio(struct file *file, void *fh, const struct v4l2_audio *vout)
 {
 	struct ivtv *itv = fh2id(fh)->itv;
 
diff --git a/drivers/media/pci/saa7134/saa7134-video.c b/drivers/media/pci/saa7134/saa7134-video.c
index bac4386..135bfd8 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;
 }
diff --git a/drivers/media/pci/saa7146/mxb.c b/drivers/media/pci/saa7146/mxb.c
index b520a45..91369da 100644
--- a/drivers/media/pci/saa7146/mxb.c
+++ b/drivers/media/pci/saa7146/mxb.c
@@ -646,7 +646,7 @@ 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)
 {
 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 	struct mxb *mxb = (struct mxb *)dev->ext_priv;
diff --git a/drivers/media/pci/ttpci/av7110_v4l.c b/drivers/media/pci/ttpci/av7110_v4l.c
index 1b2d151..730e906 100644
--- a/drivers/media/pci/ttpci/av7110_v4l.c
+++ b/drivers/media/pci/ttpci/av7110_v4l.c
@@ -526,7 +526,7 @@ 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)
 {
 	struct saa7146_dev *dev = ((struct saa7146_fh *)fh)->dev;
 	struct av7110 *av7110 = (struct av7110 *)dev->ext_priv;