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| author | Clemens Ladisch <clemens@ladisch.de> | 2007-08-13 17:40:54 +0200 |
|---|---|---|
| committer | Jaroslav Kysela <perex@perex.cz> | 2007-10-16 15:58:54 +0200 |
| commit | 918f3a0e8cf67b5db966516f255eaf24d814fac0 (patch) | |
| tree | ae4ac300f4ca93346d4b4ca9a22d760c87ab3072 /sound/ppc/pmac.c | |
| parent | 7653d557606c7cae921557a6a0ebb7c510e458eb (diff) | |
| download | linux-stable-918f3a0e8cf67b5db966516f255eaf24d814fac0.tar.gz linux-stable-918f3a0e8cf67b5db966516f255eaf24d814fac0.tar.bz2 linux-stable-918f3a0e8cf67b5db966516f255eaf24d814fac0.zip | |
[ALSA] pcm: add snd_pcm_rate_to_rate_bit() helper
Add a snd_pcm_rate_to_rate_bit() function to factor out common code used
by several drivers.
Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
Diffstat (limited to 'sound/ppc/pmac.c')
| -rw-r--r-- | sound/ppc/pmac.c | 31 |
1 files changed, 5 insertions, 26 deletions
diff --git a/sound/ppc/pmac.c b/sound/ppc/pmac.c index 04b95ae5c3aa..4f9b19c90a43 100644 --- a/sound/ppc/pmac.c +++ b/sound/ppc/pmac.c @@ -490,35 +490,14 @@ static int snd_pmac_pcm_open(struct snd_pmac *chip, struct pmac_stream *rec, struct snd_pcm_substream *subs) { struct snd_pcm_runtime *runtime = subs->runtime; - int i, j, fflags; - static int typical_freqs[] = { - 44100, - 22050, - 11025, - 0, - }; - static int typical_freq_flags[] = { - SNDRV_PCM_RATE_44100, - SNDRV_PCM_RATE_22050, - SNDRV_PCM_RATE_11025, - 0, - }; + int i; /* look up frequency table and fill bit mask */ runtime->hw.rates = 0; - fflags = chip->freqs_ok; - for (i = 0; typical_freqs[i]; i++) { - for (j = 0; j < chip->num_freqs; j++) { - if ((chip->freqs_ok & (1 << j)) && - chip->freq_table[j] == typical_freqs[i]) { - runtime->hw.rates |= typical_freq_flags[i]; - fflags &= ~(1 << j); - break; - } - } - } - if (fflags) /* rest */ - runtime->hw.rates |= SNDRV_PCM_RATE_KNOT; + for (i = 0; i < chip->num_freqs; i++) + if (chip->freqs_ok & (1 << i)) + runtime->hw.rates |= + snd_pcm_rate_to_rate_bit(chip->freq_table[i]); /* check for minimum and maximum rates */ for (i = 0; i < chip->num_freqs; i++) { |