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@@ -2524,7 +2524,6 @@ static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioform
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* build the rate table and bitmap flags
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*/
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int r, idx;
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- unsigned int nonzero_rates = 0;
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fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL);
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if (fp->rate_table == NULL) {
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@@ -2532,24 +2531,27 @@ static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioform
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return -1;
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}
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- fp->nr_rates = nr_rates;
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- fp->rate_min = fp->rate_max = combine_triple(&fmt[8]);
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+ fp->nr_rates = 0;
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+ fp->rate_min = fp->rate_max = 0;
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for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) {
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unsigned int rate = combine_triple(&fmt[idx]);
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+ if (!rate)
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+ continue;
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/* C-Media CM6501 mislabels its 96 kHz altsetting */
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if (rate == 48000 && nr_rates == 1 &&
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- chip->usb_id == USB_ID(0x0d8c, 0x0201) &&
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+ (chip->usb_id == USB_ID(0x0d8c, 0x0201) ||
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+ chip->usb_id == USB_ID(0x0d8c, 0x0102)) &&
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fp->altsetting == 5 && fp->maxpacksize == 392)
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rate = 96000;
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- fp->rate_table[r] = rate;
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- nonzero_rates |= rate;
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- if (rate < fp->rate_min)
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+ fp->rate_table[fp->nr_rates] = rate;
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+ if (!fp->rate_min || rate < fp->rate_min)
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fp->rate_min = rate;
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- else if (rate > fp->rate_max)
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+ if (!fp->rate_max || rate > fp->rate_max)
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fp->rate_max = rate;
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fp->rates |= snd_pcm_rate_to_rate_bit(rate);
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+ fp->nr_rates++;
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}
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- if (!nonzero_rates) {
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+ if (!fp->nr_rates) {
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hwc_debug("All rates were zero. Skipping format!\n");
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return -1;
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}
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