/* si4713_s_frequency - set tuner or modulator radio frequency */
static int si4713_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *f)
{
struct si4713_device *sdev = to_si4713_device(sd);
int rval = 0;
u16 frequency = v4l2_to_si4713(f->frequency);
/* Check frequency range */
if (frequency < FREQ_RANGE_LOW || frequency > FREQ_RANGE_HIGH)
return -EDOM;
mutex_lock(&sdev->mutex);
if (sdev->power_state) {
rval = si4713_tx_tune_freq(sdev, frequency);
if (rval < 0)
goto unlock;
frequency = rval;
rval = 0;
}
sdev->frequency = frequency;
f->frequency = si4713_to_v4l2(frequency);
unlock:
mutex_unlock(&sdev->mutex);
return rval;
}
/* si4713_s_frequency - set tuner or modulator radio frequency */
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;
u16 frequency = v4l2_to_si4713(f->frequency);
if (f->tuner)
return -EINVAL;
/* Check frequency range */
frequency = clamp_t(u16, frequency, FREQ_RANGE_LOW, FREQ_RANGE_HIGH);
if (sdev->power_state) {
rval = si4713_tx_tune_freq(sdev, frequency);
if (rval < 0)
return rval;
frequency = rval;
rval = 0;
}
sdev->frequency = frequency;
return rval;
}