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authorHans Verkuil <hans.verkuil@cisco.com>2013-03-19 04:09:26 -0300
committerMauro Carvalho Chehab <mchehab@redhat.com>2013-03-24 06:25:34 -0300
commitb530a447bb588fdf43fdf4eb909e4ee1921d47ac (patch)
tree8c9f6abb0f0c07ceea984a87fd80e9e65e7d483b /drivers/media/radio
parent69aa6f4ec669b9121057cc9e32cb10b5f744f6d6 (diff)
downloadlinux-linaro-stable-b530a447bb588fdf43fdf4eb909e4ee1921d47ac.tar.gz
[media] v4l2: add const to argument of write-only s_frequency ioctl
This ioctl is defined as IOW, so pass the argument as const. Signed-off-by: Hans Verkuil <hans.verkuil@cisco.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/radio')
-rw-r--r--drivers/media/radio/dsbr100.c2
-rw-r--r--drivers/media/radio/radio-cadet.c46
-rw-r--r--drivers/media/radio/radio-isa.c9
-rw-r--r--drivers/media/radio/radio-keene.c8
-rw-r--r--drivers/media/radio/radio-ma901.c2
-rw-r--r--drivers/media/radio/radio-miropcm20.c4
-rw-r--r--drivers/media/radio/radio-mr800.c2
-rw-r--r--drivers/media/radio/radio-sf16fmi.c2
-rw-r--r--drivers/media/radio/radio-si4713.c2
-rw-r--r--drivers/media/radio/radio-tea5764.c2
-rw-r--r--drivers/media/radio/radio-tea5777.c2
-rw-r--r--drivers/media/radio/radio-timb.c2
-rw-r--r--drivers/media/radio/radio-wl1273.c2
-rw-r--r--drivers/media/radio/si470x/radio-si470x-common.c2
-rw-r--r--drivers/media/radio/si4713-i2c.c5
-rw-r--r--drivers/media/radio/tef6862.c2
-rw-r--r--drivers/media/radio/wl128x/fmdrv_v4l2.c6
17 files changed, 49 insertions, 51 deletions
diff --git a/drivers/media/radio/dsbr100.c b/drivers/media/radio/dsbr100.c
index 63b112b555b2..e140a725820d 100644
--- a/drivers/media/radio/dsbr100.c
+++ b/drivers/media/radio/dsbr100.c
@@ -214,7 +214,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct dsbr100_device *radio = video_drvdata(file);
diff --git a/drivers/media/radio/radio-cadet.c b/drivers/media/radio/radio-cadet.c
index 643d80ac28fb..59be293cbf42 100644
--- a/drivers/media/radio/radio-cadet.c
+++ b/drivers/media/radio/radio-cadet.c
@@ -90,6 +90,26 @@ static u16 sigtable[2][4] = {
{ 2185, 4369, 13107, 65535 },
};
+static const struct v4l2_frequency_band bands[] = {
+ {
+ .index = 0,
+ .type = V4L2_TUNER_RADIO,
+ .capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 8320, /* 520 kHz */
+ .rangehigh = 26400, /* 1650 kHz */
+ .modulation = V4L2_BAND_MODULATION_AM,
+ }, {
+ .index = 1,
+ .type = V4L2_TUNER_RADIO,
+ .capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS |
+ V4L2_TUNER_CAP_RDS_BLOCK_IO | V4L2_TUNER_CAP_LOW |
+ V4L2_TUNER_CAP_FREQ_BANDS,
+ .rangelow = 1400000, /* 87.5 MHz */
+ .rangehigh = 1728000, /* 108.0 MHz */
+ .modulation = V4L2_BAND_MODULATION_FM,
+ },
+};
+
static int cadet_getstereo(struct cadet *dev)
{
@@ -196,6 +216,8 @@ static void cadet_setfreq(struct cadet *dev, unsigned freq)
int i, j, test;
int curvol;
+ freq = clamp(freq, bands[dev->is_fm_band].rangelow,
+ bands[dev->is_fm_band].rangehigh);
dev->curfreq = freq;
/*
* Formulate a fifo command
@@ -337,26 +359,6 @@ static int vidioc_querycap(struct file *file, void *priv,
return 0;
}
-static const struct v4l2_frequency_band bands[] = {
- {
- .index = 0,
- .type = V4L2_TUNER_RADIO,
- .capability = V4L2_TUNER_CAP_LOW | V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 8320, /* 520 kHz */
- .rangehigh = 26400, /* 1650 kHz */
- .modulation = V4L2_BAND_MODULATION_AM,
- }, {
- .index = 1,
- .type = V4L2_TUNER_RADIO,
- .capability = V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_RDS |
- V4L2_TUNER_CAP_RDS_BLOCK_IO | V4L2_TUNER_CAP_LOW |
- V4L2_TUNER_CAP_FREQ_BANDS,
- .rangelow = 1400000, /* 87.5 MHz */
- .rangehigh = 1728000, /* 108.0 MHz */
- .modulation = V4L2_BAND_MODULATION_FM,
- },
-};
-
static int vidioc_g_tuner(struct file *file, void *priv,
struct v4l2_tuner *v)
{
@@ -418,7 +420,7 @@ static int vidioc_g_frequency(struct file *file, void *priv,
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct cadet *dev = video_drvdata(file);
@@ -426,8 +428,6 @@ static int vidioc_s_frequency(struct file *file, void *priv,
return -EINVAL;
dev->is_fm_band =
f->frequency >= (bands[0].rangehigh + bands[1].rangelow) / 2;
- clamp(f->frequency, bands[dev->is_fm_band].rangelow,
- bands[dev->is_fm_band].rangehigh);
cadet_setfreq(dev, f->frequency);
return 0;
}
diff --git a/drivers/media/radio/radio-isa.c b/drivers/media/radio/radio-isa.c
index fe0a4f85c422..0c1e27b13e69 100644
--- a/drivers/media/radio/radio-isa.c
+++ b/drivers/media/radio/radio-isa.c
@@ -102,17 +102,18 @@ static int radio_isa_s_tuner(struct file *file, void *priv,
}
static int radio_isa_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct radio_isa_card *isa = video_drvdata(file);
+ u32 freq = f->frequency;
int res;
if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
return -EINVAL;
- f->frequency = clamp(f->frequency, FREQ_LOW, FREQ_HIGH);
- res = isa->drv->ops->s_frequency(isa, f->frequency);
+ freq = clamp(freq, FREQ_LOW, FREQ_HIGH);
+ res = isa->drv->ops->s_frequency(isa, freq);
if (res == 0)
- isa->freq = f->frequency;
+ isa->freq = freq;
return res;
}
diff --git a/drivers/media/radio/radio-keene.c b/drivers/media/radio/radio-keene.c
index 296941a9ae25..4c9ae767fb31 100644
--- a/drivers/media/radio/radio-keene.c
+++ b/drivers/media/radio/radio-keene.c
@@ -215,15 +215,15 @@ static int vidioc_s_modulator(struct file *file, void *priv,
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct keene_device *radio = video_drvdata(file);
+ unsigned freq = f->frequency;
if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
return -EINVAL;
- f->frequency = clamp(f->frequency,
- FREQ_MIN * FREQ_MUL, FREQ_MAX * FREQ_MUL);
- return keene_cmd_main(radio, f->frequency, true);
+ freq = clamp(freq, FREQ_MIN * FREQ_MUL, FREQ_MAX * FREQ_MUL);
+ return keene_cmd_main(radio, freq, true);
}
static int vidioc_g_frequency(struct file *file, void *priv,
diff --git a/drivers/media/radio/radio-ma901.c b/drivers/media/radio/radio-ma901.c
index c61f590029ad..7f85c6f98009 100644
--- a/drivers/media/radio/radio-ma901.c
+++ b/drivers/media/radio/radio-ma901.c
@@ -257,7 +257,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
/* vidioc_s_frequency - set tuner radio frequency */
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct ma901radio_device *radio = video_drvdata(file);
diff --git a/drivers/media/radio/radio-miropcm20.c b/drivers/media/radio/radio-miropcm20.c
index 3d0ff4404d12..2b8d31d8330b 100644
--- a/drivers/media/radio/radio-miropcm20.c
+++ b/drivers/media/radio/radio-miropcm20.c
@@ -131,14 +131,14 @@ static int vidioc_g_frequency(struct file *file, void *priv,
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct pcm20 *dev = video_drvdata(file);
if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO)
return -EINVAL;
- dev->freq = clamp(f->frequency, 87 * 16000U, 108 * 16000U);
+ dev->freq = clamp_t(u32, f->frequency, 87 * 16000U, 108 * 16000U);
pcm20_setfreq(dev, dev->freq);
return 0;
}
diff --git a/drivers/media/radio/radio-mr800.c b/drivers/media/radio/radio-mr800.c
index 9c5a267b60b4..f9cdd8b96add 100644
--- a/drivers/media/radio/radio-mr800.c
+++ b/drivers/media/radio/radio-mr800.c
@@ -323,7 +323,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
/* vidioc_s_frequency - set tuner radio frequency */
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct amradio_device *radio = video_drvdata(file);
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c
index 637a55564958..6142b5b3e81b 100644
--- a/drivers/media/radio/radio-sf16fmi.c
+++ b/drivers/media/radio/radio-sf16fmi.c
@@ -151,7 +151,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct fmi *fmi = video_drvdata(file);
diff --git a/drivers/media/radio/radio-si4713.c b/drivers/media/radio/radio-si4713.c
index 3df4339460d2..2a2d21ed9133 100644
--- a/drivers/media/radio/radio-si4713.c
+++ b/drivers/media/radio/radio-si4713.c
@@ -215,7 +215,7 @@ static int radio_si4713_g_frequency(struct file *file, void *p,
}
static int radio_si4713_s_frequency(struct file *file, void *p,
- struct v4l2_frequency *vf)
+ const struct v4l2_frequency *vf)
{
return v4l2_device_call_until_err(get_v4l2_dev(file), 0, tuner,
s_frequency, vf);
diff --git a/drivers/media/radio/radio-tea5764.c b/drivers/media/radio/radio-tea5764.c
index 1978516af67e..893842874d89 100644
--- a/drivers/media/radio/radio-tea5764.c
+++ b/drivers/media/radio/radio-tea5764.c
@@ -351,7 +351,7 @@ static int vidioc_s_tuner(struct file *file, void *priv,
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct tea5764_device *radio = video_drvdata(file);
diff --git a/drivers/media/radio/radio-tea5777.c b/drivers/media/radio/radio-tea5777.c
index 4b5190d4fea5..fcd7c195e0c5 100644
--- a/drivers/media/radio/radio-tea5777.c
+++ b/drivers/media/radio/radio-tea5777.c
@@ -368,7 +368,7 @@ static int vidioc_g_frequency(struct file *file, void *priv,
}
static int vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct radio_tea5777 *tea = video_drvdata(file);
diff --git a/drivers/media/radio/radio-timb.c b/drivers/media/radio/radio-timb.c
index b87effeb5dc6..1712c05c113d 100644
--- a/drivers/media/radio/radio-timb.c
+++ b/drivers/media/radio/radio-timb.c
@@ -91,7 +91,7 @@ static int timbradio_vidioc_s_audio(struct file *file, void *priv,
}
static int timbradio_vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *f)
+ const struct v4l2_frequency *f)
{
struct timbradio *tr = video_drvdata(file);
return v4l2_subdev_call(tr->sd_tuner, tuner, s_frequency, f);
diff --git a/drivers/media/radio/radio-wl1273.c b/drivers/media/radio/radio-wl1273.c
index 02151e0e6e63..9a02fee904bf 100644
--- a/drivers/media/radio/radio-wl1273.c
+++ b/drivers/media/radio/radio-wl1273.c
@@ -1640,7 +1640,7 @@ static int wl1273_fm_vidioc_g_frequency(struct file *file, void *priv,
}
static int wl1273_fm_vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *freq)
+ const struct v4l2_frequency *freq)
{
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 18989388ddc1..5708633a3d78 100644
--- a/drivers/media/radio/si470x/radio-si470x-common.c
+++ b/drivers/media/radio/si470x/radio-si470x-common.c
@@ -678,7 +678,7 @@ static int si470x_vidioc_g_frequency(struct file *file, void *priv,
* si470x_vidioc_s_frequency - set tuner or modulator radio frequency
*/
static int si470x_vidioc_s_frequency(struct file *file, void *priv,
- struct v4l2_frequency *freq)
+ const struct v4l2_frequency *freq)
{
struct si470x_device *radio = video_drvdata(file);
int retval;
diff --git a/drivers/media/radio/si4713-i2c.c b/drivers/media/radio/si4713-i2c.c
index bd61b3bd0ca3..e305c14272b5 100644
--- a/drivers/media/radio/si4713-i2c.c
+++ b/drivers/media/radio/si4713-i2c.c
@@ -1212,7 +1212,7 @@ exit:
return rval;
}
-static int si4713_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f);
+static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f);
static int si4713_s_modulator(struct v4l2_subdev *sd, const struct v4l2_modulator *);
/*
* si4713_setup - Sets the device up with current configuration.
@@ -1950,7 +1950,7 @@ unlock:
}
/* si4713_s_frequency - set tuner or modulator radio frequency */
-static int si4713_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+static int si4713_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f)
{
struct si4713_device *sdev = to_si4713_device(sd);
int rval = 0;
@@ -1970,7 +1970,6 @@ static int si4713_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
rval = 0;
}
sdev->frequency = frequency;
- f->frequency = si4713_to_v4l2(frequency);
unlock:
mutex_unlock(&sdev->mutex);
diff --git a/drivers/media/radio/tef6862.c b/drivers/media/radio/tef6862.c
index b18c2dc268ba..867395568f92 100644
--- a/drivers/media/radio/tef6862.c
+++ b/drivers/media/radio/tef6862.c
@@ -101,7 +101,7 @@ static int tef6862_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *v)
return v->index ? -EINVAL : 0;
}
-static int tef6862_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
+static int tef6862_s_frequency(struct v4l2_subdev *sd, const struct v4l2_frequency *f)
{
struct tef6862_state *state = to_state(sd);
struct i2c_client *client = v4l2_get_subdevdata(sd);
diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c
index 0a8ee8fab924..0183956d9b02 100644
--- a/drivers/media/radio/wl128x/fmdrv_v4l2.c
+++ b/drivers/media/radio/wl128x/fmdrv_v4l2.c
@@ -388,7 +388,7 @@ static int fm_v4l2_vidioc_g_freq(struct file *file, void *priv,
/* Set tuner or modulator radio frequency */
static int fm_v4l2_vidioc_s_freq(struct file *file, void *priv,
- struct v4l2_frequency *freq)
+ const struct v4l2_frequency *freq)
{
struct fmdev *fmdev = video_drvdata(file);
@@ -396,9 +396,7 @@ static int fm_v4l2_vidioc_s_freq(struct file *file, void *priv,
* As V4L2_TUNER_CAP_LOW is set 1 user sends the frequency
* in units of 62.5 Hz.
*/
- freq->frequency = (u32)(freq->frequency / 16);
-
- return fmc_set_freq(fmdev, freq->frequency);
+ return fmc_set_freq(fmdev, freq->frequency / 16);
}
/* Set hardware frequency seek. If current mode is NOT RX, set it RX. */