struct v4l2_ctrl *ctrl_tuner_if;
struct v4l2_ctrl *ctrl_tuner_gain;
- u32 symbol_received; /* for track lost packets */
- u32 symbol; /* for symbol rate calc */
+ u32 next_sample; /* for track lost packets */
+ u32 sample; /* for sample rate calc */
unsigned long jiffies;
};
int i, j, k, l, i_max, dst_len = 0;
u16 sample[4];
#ifdef MSI3101_EXTENSIVE_DEBUG
- u32 symbol[3];
+ u32 sample_num[3];
#endif
/* There could be 1-3 1024 bytes URB frames */
i_max = src_len / 1024;
for (i = 0; i < i_max; i++) {
#ifdef MSI3101_EXTENSIVE_DEBUG
- symbol[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
- if (i == 0 && s->symbol_received != symbol[0]) {
+ sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
+ if (i == 0 && s->next_sample != sample_num[0]) {
dev_dbg(&s->udev->dev,
- "%d symbols lost, %d %08x:%08x\n",
- symbol[0] - s->symbol_received,
- src_len, s->symbol_received, symbol[0]);
+ "%d samples lost, %d %08x:%08x\n",
+ sample_num[0] - s->next_sample,
+ src_len, s->next_sample, sample_num[0]);
}
#endif
src += 16;
}
#ifdef MSI3101_EXTENSIVE_DEBUG
- /* calculate symbol rate and output it in 10 seconds intervals */
+ /* calculate samping rate and output it in 10 seconds intervals */
if ((s->jiffies + msecs_to_jiffies(10000)) <= jiffies) {
unsigned long jiffies_now = jiffies;
unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies);
- unsigned int symbols = symbol[i_max - 1] - s->symbol;
+ unsigned int samples = sample_num[i_max - 1] - s->sample;
s->jiffies = jiffies_now;
- s->symbol = symbol[i_max - 1];
+ s->sample = sample_num[i_max - 1];
dev_dbg(&s->udev->dev,
- "slen=%d symbols=%u msecs=%lu symbolrate=%lu\n",
- src_len, symbols, msecs,
- symbols * 1000UL / msecs);
+ "slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
+ src_len, samples, msecs,
+ samples * 1000UL / msecs);
}
- /* last received symbol (symbol = symbol + i * 384) */
- s->symbol_received = symbol[i_max - 1] + 384;
+ /* next sample (sample = sample + i * 384) */
+ s->next_sample = sample_num[i_max - 1] + 384;
#endif
return dst_len;
}