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authorClemens Ladisch <clemens@ladisch.de>2007-08-13 17:40:54 +0200
committerJaroslav Kysela <perex@perex.cz>2007-10-16 15:58:54 +0200
commit918f3a0e8cf67b5db966516f255eaf24d814fac0 (patch)
treeae4ac300f4ca93346d4b4ca9a22d760c87ab3072 /sound/pci/rme32.c
parent7653d557606c7cae921557a6a0ebb7c510e458eb (diff)
[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/pci/rme32.c')
-rw-r--r--sound/pci/rme32.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/sound/pci/rme32.c b/sound/pci/rme32.c
index ee0189b756d..1475912588e 100644
--- a/sound/pci/rme32.c
+++ b/sound/pci/rme32.c
@@ -258,19 +258,6 @@ static inline unsigned int snd_rme32_pcm_byteptr(struct rme32 * rme32)
& RME32_RCR_AUDIO_ADDR_MASK);
}
-static int snd_rme32_ratecode(int rate)
-{
- switch (rate) {
- case 32000: return SNDRV_PCM_RATE_32000;
- case 44100: return SNDRV_PCM_RATE_44100;
- case 48000: return SNDRV_PCM_RATE_48000;
- case 64000: return SNDRV_PCM_RATE_64000;
- case 88200: return SNDRV_PCM_RATE_88200;
- case 96000: return SNDRV_PCM_RATE_96000;
- }
- return 0;
-}
-
/* silence callback for halfduplex mode */
static int snd_rme32_playback_silence(struct snd_pcm_substream *substream, int channel, /* not used (interleaved data) */
snd_pcm_uframes_t pos,
@@ -887,7 +874,7 @@ static int snd_rme32_playback_spdif_open(struct snd_pcm_substream *substream)
if ((rme32->rcreg & RME32_RCR_KMODE) &&
(rate = snd_rme32_capture_getrate(rme32, &dummy)) > 0) {
/* AutoSync */
- runtime->hw.rates = snd_rme32_ratecode(rate);
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
runtime->hw.rate_min = rate;
runtime->hw.rate_max = rate;
}
@@ -929,7 +916,7 @@ static int snd_rme32_capture_spdif_open(struct snd_pcm_substream *substream)
if (isadat) {
return -EIO;
}
- runtime->hw.rates = snd_rme32_ratecode(rate);
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
runtime->hw.rate_min = rate;
runtime->hw.rate_max = rate;
}
@@ -965,7 +952,7 @@ snd_rme32_playback_adat_open(struct snd_pcm_substream *substream)
if ((rme32->rcreg & RME32_RCR_KMODE) &&
(rate = snd_rme32_capture_getrate(rme32, &dummy)) > 0) {
/* AutoSync */
- runtime->hw.rates = snd_rme32_ratecode(rate);
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
runtime->hw.rate_min = rate;
runtime->hw.rate_max = rate;
}
@@ -989,7 +976,7 @@ snd_rme32_capture_adat_open(struct snd_pcm_substream *substream)
if (!isadat) {
return -EIO;
}
- runtime->hw.rates = snd_rme32_ratecode(rate);
+ runtime->hw.rates = snd_pcm_rate_to_rate_bit(rate);
runtime->hw.rate_min = rate;
runtime->hw.rate_max = rate;
}