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| author | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 10:25:03 (GMT) |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2010-02-16 10:25:03 (GMT) |
| commit | b8f1f5983fbe751aa3d07d9ce7ebb0c23bf4b7e4 (patch) | |
| tree | e9f11863f683a9f4eb03d76008740a36d6b4ff3c /sound/core/pcm_lib.c | |
| parent | ba9341dfef6b0201cd30e3904dcd0a47d3dc35e0 (diff) | |
| parent | 47b5d028fdce8f809bf22852ac900338fb90e8aa (diff) | |
| download | linux-b8f1f5983fbe751aa3d07d9ce7ebb0c23bf4b7e4.tar.xz | |
Merge branch 'topic/misc' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound-2.6 into devel
Diffstat (limited to 'sound/core/pcm_lib.c')
| -rw-r--r-- | sound/core/pcm_lib.c | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c index aa54195..b546ac2 100644 --- a/sound/core/pcm_lib.c +++ b/sound/core/pcm_lib.c @@ -766,10 +766,13 @@ int snd_interval_ratnum(struct snd_interval *i, unsigned int rats_count, struct snd_ratnum *rats, unsigned int *nump, unsigned int *denp) { - unsigned int best_num, best_diff, best_den; + unsigned int best_num, best_den; + int best_diff; unsigned int k; struct snd_interval t; int err; + unsigned int result_num, result_den; + int result_diff; best_num = best_den = best_diff = 0; for (k = 0; k < rats_count; ++k) { @@ -791,6 +794,8 @@ int snd_interval_ratnum(struct snd_interval *i, den -= r; } diff = num - q * den; + if (diff < 0) + diff = -diff; if (best_num == 0 || diff * best_den < best_diff * den) { best_diff = diff; @@ -805,6 +810,9 @@ int snd_interval_ratnum(struct snd_interval *i, t.min = div_down(best_num, best_den); t.openmin = !!(best_num % best_den); + result_num = best_num; + result_diff = best_diff; + result_den = best_den; best_num = best_den = best_diff = 0; for (k = 0; k < rats_count; ++k) { unsigned int num = rats[k].num; @@ -827,6 +835,8 @@ int snd_interval_ratnum(struct snd_interval *i, den += rats[k].den_step - r; } diff = q * den - num; + if (diff < 0) + diff = -diff; if (best_num == 0 || diff * best_den < best_diff * den) { best_diff = diff; @@ -846,10 +856,14 @@ int snd_interval_ratnum(struct snd_interval *i, return err; if (snd_interval_single(i)) { + if (best_diff * result_den < result_diff * best_den) { + result_num = best_num; + result_den = best_den; + } if (nump) - *nump = best_num; + *nump = result_num; if (denp) - *denp = best_den; + *denp = result_den; } return err; } |