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author | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-11 17:10:07 +1100 |
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committer | Benjamin Herrenschmidt <benh@kernel.crashing.org> | 2009-03-11 17:10:07 +1100 |
commit | e14eee56c2280953c6e3d24d5dce42bd90836b81 (patch) | |
tree | 21ab792d9ad6fbbab460058f352a0158f995644e /sound/usb/usbaudio.c | |
parent | d6ee6f7e4c74d9a0fed7544f4d389bde004651d3 (diff) | |
parent | 99adcd9d67aaf04e28f5ae96df280f236bde4b66 (diff) | |
download | op-kernel-dev-e14eee56c2280953c6e3d24d5dce42bd90836b81.zip op-kernel-dev-e14eee56c2280953c6e3d24d5dce42bd90836b81.tar.gz |
Merge commit 'origin/master' into next
Diffstat (limited to 'sound/usb/usbaudio.c')
-rw-r--r-- | sound/usb/usbaudio.c | 20 |
1 files changed, 11 insertions, 9 deletions
diff --git a/sound/usb/usbaudio.c b/sound/usb/usbaudio.c index 2ab8312..19e3745 100644 --- a/sound/usb/usbaudio.c +++ b/sound/usb/usbaudio.c @@ -2524,7 +2524,6 @@ static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioform * build the rate table and bitmap flags */ int r, idx; - unsigned int nonzero_rates = 0; fp->rate_table = kmalloc(sizeof(int) * nr_rates, GFP_KERNEL); if (fp->rate_table == NULL) { @@ -2532,24 +2531,27 @@ static int parse_audio_format_rates(struct snd_usb_audio *chip, struct audioform return -1; } - fp->nr_rates = nr_rates; - fp->rate_min = fp->rate_max = combine_triple(&fmt[8]); + fp->nr_rates = 0; + fp->rate_min = fp->rate_max = 0; for (r = 0, idx = offset + 1; r < nr_rates; r++, idx += 3) { unsigned int rate = combine_triple(&fmt[idx]); + if (!rate) + continue; /* C-Media CM6501 mislabels its 96 kHz altsetting */ if (rate == 48000 && nr_rates == 1 && - chip->usb_id == USB_ID(0x0d8c, 0x0201) && + (chip->usb_id == USB_ID(0x0d8c, 0x0201) || + chip->usb_id == USB_ID(0x0d8c, 0x0102)) && fp->altsetting == 5 && fp->maxpacksize == 392) rate = 96000; - fp->rate_table[r] = rate; - nonzero_rates |= rate; - if (rate < fp->rate_min) + fp->rate_table[fp->nr_rates] = rate; + if (!fp->rate_min || rate < fp->rate_min) fp->rate_min = rate; - else if (rate > fp->rate_max) + if (!fp->rate_max || rate > fp->rate_max) fp->rate_max = rate; fp->rates |= snd_pcm_rate_to_rate_bit(rate); + fp->nr_rates++; } - if (!nonzero_rates) { + if (!fp->nr_rates) { hwc_debug("All rates were zero. Skipping format!\n"); return -1; } |