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

[linux-block.git] / drivers / media / radio / wl128x / fmdrv_v4l2.c

diff --git a/drivers/media/radio/wl128x/fmdrv_v4l2.c b/drivers/media/radio/wl128x/fmdrv_v4l2.c
index 0a8ee8fab9242476c14c153b0cc00b51387a7b26..5dec323f4247e36c039aa0019e573fa5fe95b2eb 100644 (file)
--- 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;
@@ -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. */