mirror of https://gitee.com/openkylin/linux.git
[media] msi3101: sample is correct term for sample
Just fix wrong term name. No functional changes. Signed-off-by: Antti Palosaari <crope@iki.fi> Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>
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@ -405,8 +405,8 @@ struct msi3101_state {
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struct v4l2_ctrl *ctrl_tuner_if;
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struct v4l2_ctrl *ctrl_tuner_if;
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struct v4l2_ctrl *ctrl_tuner_gain;
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struct v4l2_ctrl *ctrl_tuner_gain;
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u32 symbol_received; /* for track lost packets */
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u32 next_sample; /* for track lost packets */
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u32 symbol; /* for symbol rate calc */
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u32 sample; /* for sample rate calc */
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unsigned long jiffies;
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unsigned long jiffies;
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};
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};
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@ -476,18 +476,18 @@ static int msi3101_convert_stream(struct msi3101_state *s, u32 *dst,
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int i, j, k, l, i_max, dst_len = 0;
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int i, j, k, l, i_max, dst_len = 0;
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u16 sample[4];
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u16 sample[4];
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#ifdef MSI3101_EXTENSIVE_DEBUG
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#ifdef MSI3101_EXTENSIVE_DEBUG
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u32 symbol[3];
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u32 sample_num[3];
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#endif
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#endif
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/* There could be 1-3 1024 bytes URB frames */
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/* There could be 1-3 1024 bytes URB frames */
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i_max = src_len / 1024;
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i_max = src_len / 1024;
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for (i = 0; i < i_max; i++) {
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for (i = 0; i < i_max; i++) {
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#ifdef MSI3101_EXTENSIVE_DEBUG
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#ifdef MSI3101_EXTENSIVE_DEBUG
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symbol[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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sample_num[i] = src[3] << 24 | src[2] << 16 | src[1] << 8 | src[0] << 0;
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if (i == 0 && s->symbol_received != symbol[0]) {
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if (i == 0 && s->next_sample != sample_num[0]) {
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dev_dbg(&s->udev->dev,
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dev_dbg(&s->udev->dev,
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"%d symbols lost, %d %08x:%08x\n",
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"%d samples lost, %d %08x:%08x\n",
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symbol[0] - s->symbol_received,
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sample_num[0] - s->next_sample,
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src_len, s->symbol_received, symbol[0]);
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src_len, s->next_sample, sample_num[0]);
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}
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}
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#endif
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#endif
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src += 16;
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src += 16;
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@ -520,21 +520,21 @@ static int msi3101_convert_stream(struct msi3101_state *s, u32 *dst,
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}
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}
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#ifdef MSI3101_EXTENSIVE_DEBUG
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#ifdef MSI3101_EXTENSIVE_DEBUG
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/* calculate symbol rate and output it in 10 seconds intervals */
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/* calculate samping rate and output it in 10 seconds intervals */
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if ((s->jiffies + msecs_to_jiffies(10000)) <= jiffies) {
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if ((s->jiffies + msecs_to_jiffies(10000)) <= jiffies) {
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unsigned long jiffies_now = jiffies;
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unsigned long jiffies_now = jiffies;
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unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies);
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unsigned long msecs = jiffies_to_msecs(jiffies_now) - jiffies_to_msecs(s->jiffies);
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unsigned int symbols = symbol[i_max - 1] - s->symbol;
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unsigned int samples = sample_num[i_max - 1] - s->sample;
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s->jiffies = jiffies_now;
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s->jiffies = jiffies_now;
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s->symbol = symbol[i_max - 1];
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s->sample = sample_num[i_max - 1];
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dev_dbg(&s->udev->dev,
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dev_dbg(&s->udev->dev,
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"slen=%d symbols=%u msecs=%lu symbolrate=%lu\n",
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"slen=%d samples=%u msecs=%lu sampling rate=%lu\n",
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src_len, symbols, msecs,
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src_len, samples, msecs,
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symbols * 1000UL / msecs);
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samples * 1000UL / msecs);
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}
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}
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/* last received symbol (symbol = symbol + i * 384) */
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/* next sample (sample = sample + i * 384) */
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s->symbol_received = symbol[i_max - 1] + 384;
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s->next_sample = sample_num[i_max - 1] + 384;
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#endif
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#endif
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return dst_len;
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return dst_len;
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}
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}
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