diff options
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/radio/radio-sf16fmi.c | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/drivers/media/radio/radio-sf16fmi.c b/drivers/media/radio/radio-sf16fmi.c index ed7299d..6f4318f 100644 --- a/drivers/media/radio/radio-sf16fmi.c +++ b/drivers/media/radio/radio-sf16fmi.c @@ -50,7 +50,7 @@ struct fmi struct video_device vdev; int io; bool mute; - unsigned long curfreq; /* freq in kHz */ + u32 curfreq; /* freq in kHz */ struct mutex lock; }; @@ -118,6 +118,14 @@ static inline int fmi_getsigstr(struct fmi *fmi) return (res & 2) ? 0 : 0xFFFF; } +static void fmi_set_freq(struct fmi *fmi) +{ + fmi->curfreq = clamp(fmi->curfreq, RSF16_MINFREQ, RSF16_MAXFREQ); + /* rounding in steps of 800 to match the freq + that will be used */ + lm7000_set_freq((fmi->curfreq / 800) * 800, fmi, fmi_set_pins); +} + static int vidioc_querycap(struct file *file, void *priv, struct v4l2_capability *v) { @@ -158,14 +166,13 @@ static int vidioc_s_frequency(struct file *file, void *priv, const struct v4l2_frequency *f) { struct fmi *fmi = video_drvdata(file); - unsigned freq = f->frequency; if (f->tuner != 0 || f->type != V4L2_TUNER_RADIO) return -EINVAL; - clamp(freq, RSF16_MINFREQ, RSF16_MAXFREQ); - /* rounding in steps of 800 to match the freq - that will be used */ - lm7000_set_freq((freq / 800) * 800, fmi, fmi_set_pins); + + fmi->curfreq = f->frequency; + fmi_set_freq(fmi); + return 0; } @@ -342,8 +349,10 @@ static int __init fmi_init(void) mutex_init(&fmi->lock); - /* mute card - prevents noisy bootups */ - fmi_mute(fmi); + /* mute card and set default frequency */ + fmi->mute = 1; + fmi->curfreq = RSF16_MINFREQ; + fmi_set_freq(fmi); if (video_register_device(&fmi->vdev, VFL_TYPE_RADIO, radio_nr) < 0) { v4l2_ctrl_handler_free(hdl); |