static int tune_freq(u32 frequency)
{
int ret;
u16 channel;
struct tune_data_t tune_data;
mutex_lock(&(Si47xx_dev->lock));
channel = freq_to_channel(frequency);
Si47xx_dev_wait_flag = TUNE_WAITING;
ret = fmTuneFreq(frequency);
wait();
Si47xx_dev_wait_flag = NO_WAIT;
debug("Si47xx_dev_wait_flag = TUNE_WAITING\n");
if (!(getIntStatus() & STCINT)) {
dev_err(Si47xx_dev->dev, "%s tune is failed!\n", __func__);
fmTuneStatus(1, 1, &tune_data);
mutex_unlock(&(Si47xx_dev->lock));
return -1;
}
ret = fmTuneStatus(0, 1, &tune_data);
mutex_unlock(&(Si47xx_dev->lock));
return ret;
}
static int seek(u32 *frequency, int up, int mode)
{
int ret = 0;
struct tune_data_t tune_data;
Si47xx_dev_wait_flag = SEEK_WAITING;
ret = fmSeekStart(up, mode); /* mode 0 is full scan */
wait();
if (Si47xx_dev_wait_flag == SEEK_CANCEL) {
ret = fmTuneStatus(1, 1, &tune_data);
*frequency = 0;
Si47xx_dev_wait_flag = NO_WAIT;
return ret;
}
Si47xx_dev_wait_flag = NO_WAIT;
if (!(getIntStatus() & STCINT)) {
dev_err(Si47xx_dev->dev, "%s seek is failed!\n", __func__);
fmTuneStatus(1, 1, &tune_data);
return -1;
}
ret = fmTuneStatus(0, 1, &tune_data);
if (tune_data.bltf != 1)
*frequency = tune_data.freq;
else {
if (tune_data.valid)
*frequency = tune_data.freq;
else
*frequency = 0;
}
return ret;
}
int Si47xx_dev_chan_get(u32 *frequency)
{
int ret = 0;
struct tune_data_t tune_data;
debug("Si47xx_dev_chan_get called\n");
mutex_lock(&(Si47xx_dev->lock));
if (Si47xx_dev->valid == eFALSE) {
dev_err(Si47xx_dev->dev, "Si47xx_dev_chan_get called when DS is invalid");
ret = -1;
} else {
ret = fmTuneStatus(0, 1, &tune_data);
*frequency = tune_data.freq;
}
mutex_unlock(&(Si47xx_dev->lock));
return ret;
}
int Si4709_dev_chan_get(u32 *frequency)
{
int ret = 0;
debug("Si4709_dev_chan_get called");
mutex_lock(&(Si4709_dev.lock));
if (Si4709_dev.valid == eFALSE) {
debug("Si4709_dev_chan_get called when DS is invalid");
ret = -1;
} else {
if (ret < 0)
debug("Si4709_dev_chan_get i2c_read failed");
else {
fmTuneStatus(0, 0);
*frequency = Freq;
}
}
mutex_unlock(&(Si4709_dev.lock));
return ret;
}