[media] v4l2: add const to argument of write-only s_tuner ioctl

This ioctl is defined as IOW, so pass the argument as const.

Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Alexey Klimov <klimov.linux@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

14 files changed, 20 insertions, 19 deletions

diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index e140a725820..142c2ee64d3 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -208,7 +208,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
-				struct v4l2_tuner *v)
+				const struct v4l2_tuner *v)
 {
 	return v->index ? -EINVAL : 0;
 }
diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
index 59be293cbf4..545c04cf722 100644
--- a/drivers/media/radio/radio-cadet.c
+++ b/drivers/media/radio/radio-cadet.c
@@ -390,7 +390,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
-				struct v4l2_tuner *v)
+				const struct v4l2_tuner *v)
 {
 	return v->index ? -EINVAL : 0;
 }
diff --git a/drivers/media/radio/radio-isa.c b/drivers/media/radio/radio-isa.c
index 0c1e27b13e6..6ff350831d5 100644
--- a/drivers/media/radio/radio-isa.c
+++ b/drivers/media/radio/radio-isa.c
@@ -87,7 +87,7 @@ static int radio_isa_g_tuner(struct file *file, void *priv,
 }
 
 static int radio_isa_s_tuner(struct file *file, void *priv,
-				struct v4l2_tuner *v)
+				const struct v4l2_tuner *v)
 {
 	struct radio_isa_card *isa = video_drvdata(file);
 	const struct radio_isa_ops *ops = isa->drv->ops;
diff --git a/drivers/media/radio/radio-ma901.c b/drivers/media/radio/radio-ma901.c
index 7f85c6f9800..18320c2c460 100644
--- a/drivers/media/radio/radio-ma901.c
+++ b/drivers/media/radio/radio-ma901.c
@@ -239,7 +239,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 
 /* vidioc_s_tuner - set tuner attributes */
 static int vidioc_s_tuner(struct file *file, void *priv,
-				struct v4l2_tuner *v)
+				const struct v4l2_tuner *v)
 {
 	struct ma901radio_device *radio = video_drvdata(file);
 
diff --git a/drivers/media/radio/radio-miropcm20.c b/drivers/media/radio/radio-miropcm20.c
index 2b8d31d8330..a7e93d7477d 100644
--- a/drivers/media/radio/radio-miropcm20.c
+++ b/drivers/media/radio/radio-miropcm20.c
@@ -103,16 +103,18 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
-				struct v4l2_tuner *v)
+				const struct v4l2_tuner *v)
 {
 	struct pcm20 *dev = video_drvdata(file);
 
 	if (v->index)
 		return -EINVAL;
 	if (v->audmode > V4L2_TUNER_MODE_STEREO)
-		v->audmode = V4L2_TUNER_MODE_STEREO;
+		dev->audmode = V4L2_TUNER_MODE_STEREO;
+	else
+		dev->audmode = v->audmode;
 	snd_aci_cmd(dev->aci, ACI_SET_TUNERMONO,
-			v->audmode == V4L2_TUNER_MODE_MONO, -1);
+			dev->audmode == V4L2_TUNER_MODE_MONO, -1);
 	return 0;
 }
 
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index f9cdd8b96ad..2ce75d1564d 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -305,7 +305,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 
 /* vidioc_s_tuner - set tuner attributes */
 static int vidioc_s_tuner(struct file *file, void *priv,
-				struct v4l2_tuner *v)
+				const struct v4l2_tuner *v)
 {
 	struct amradio_device *radio = video_drvdata(file);
 
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index 6142b5b3e81..adfcc61bdf0 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -145,7 +145,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
-					struct v4l2_tuner *v)
+					const struct v4l2_tuner *v)
 {
 	return v->index ? -EINVAL : 0;
 }
diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c
index 893842874d8..38d563d6259 100644
--- a/drivers/media/radio/radio-tea5764.c
+++ b/drivers/media/radio/radio-tea5764.c
@@ -339,7 +339,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
-				struct v4l2_tuner *v)
+				const struct v4l2_tuner *v)
 {
 	struct tea5764_device *radio = video_drvdata(file);
 
diff --git a/drivers/media/radio/radio-tea5777.c b/drivers/media/radio/radio-tea5777.c
index fcd7c195e0c..e2455970725 100644
--- a/drivers/media/radio/radio-tea5777.c
+++ b/drivers/media/radio/radio-tea5777.c
@@ -336,7 +336,7 @@ static int vidioc_g_tuner(struct file *file, void *priv,
 }
 
 static int vidioc_s_tuner(struct file *file, void *priv,
-					struct v4l2_tuner *v)
+					const struct v4l2_tuner *v)
 {
 	struct radio_tea5777 *tea = video_drvdata(file);
 	u32 orig_audmode = tea->audmode;
@@ -344,10 +344,9 @@ static int vidioc_s_tuner(struct file *file, void *priv,
 	if (v->index)
 		return -EINVAL;
 
-	if (v->audmode > V4L2_TUNER_MODE_STEREO)
-		v->audmode = V4L2_TUNER_MODE_STEREO;
-
 	tea->audmode = v->audmode;
+	if (tea->audmode > V4L2_TUNER_MODE_STEREO)
+		tea->audmode = V4L2_TUNER_MODE_STEREO;
 
 	if (tea->audmode != orig_audmode && tea->band == BAND_FM)
 		return radio_tea5777_set_freq(tea);
diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c
index 1712c05c113..bb7b143b65d 100644
--- a/drivers/media/radio/radio-timb.c
+++ b/drivers/media/radio/radio-timb.c
@@ -56,7 +56,7 @@ static int timbradio_vidioc_g_tuner(struct file *file, void *priv,
 }
 
 static int timbradio_vidioc_s_tuner(struct file *file, void *priv,
-	struct v4l2_tuner *v)
+	const struct v4l2_tuner *v)
 {
 	struct timbradio *tr = video_drvdata(file);
 	return v4l2_subdev_call(tr->sd_tuner, tuner, s_tuner, v);
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index 9a02fee904b..97c2c18803e 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -1559,7 +1559,7 @@ out:
 }
 
 static int wl1273_fm_vidioc_s_tuner(struct file *file, void *priv,
-				    struct v4l2_tuner *tuner)
+				    const struct v4l2_tuner *tuner)
 {
 	struct wl1273_device *radio = video_get_drvdata(video_devdata(file));
 	struct wl1273_core *core = radio->core;
diff --git a/drivers/media/radio/si470x/radio-si470x-common.c b/drivers/media/radio/si470x/radio-si470x-common.c
index 5708633a3d7..5c57e5b0f94 100644
--- a/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/drivers/media/radio/si470x/radio-si470x-common.c
@@ -636,7 +636,7 @@ static int si470x_vidioc_g_tuner(struct file *file, void *priv,
  * si470x_vidioc_s_tuner - set tuner attributes
  */
 static int si470x_vidioc_s_tuner(struct file *file, void *priv,
-		struct v4l2_tuner *tuner)
+		const struct v4l2_tuner *tuner)
 {
 	struct si470x_device *radio = video_drvdata(file);
 
diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c
index 867395568f9..82c6c9475d7 100644
--- a/drivers/media/radio/tef6862.c
+++ b/drivers/media/radio/tef6862.c
@@ -96,7 +96,7 @@ static int tef6862_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
 	return 0;
 }
 
-static int tef6862_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
+static int tef6862_s_tuner(struct v4l2_subdev *sd, const struct v4l2_tuner *v)
 {
 	return v->index ? -EINVAL : 0;
 }
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c
index 0183956d9b0..5dec323f424 100644
--- a/drivers/media/radio/wl128x/fmdrv_v4l2.c
+++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c
@@ -331,7 +331,7 @@ static int fm_v4l2_vidioc_g_tuner(struct file *file, void *priv,
  * Should we set other tuner attributes, too?
  */
 static int fm_v4l2_vidioc_s_tuner(struct file *file, void *priv,
-		struct v4l2_tuner *tuner)
+		const struct v4l2_tuner *tuner)
 {
 	struct fmdev *fmdev = video_drvdata(file);
 	u16 aud_mode;