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[ALSA] pcm: merge rates[] from pcm_misc.c and pcm_native.c

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Merge the rates[] arrays from pcm_misc.c and pcm_native.c because they
are both the same.

Signed-off-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Jaroslav Kysela <perex@suse.cz>
This commit is contained in:
Clemens Ladisch 2007-08-13 17:38:54 +02:00 committed by Jaroslav Kysela
parent b83f346bc4
commit 7653d55760
3 changed files with 13 additions and 10 deletions
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2
include/sound/pcm.h
View File

@ -922,6 +922,8 @@ snd_pcm_sframes_t snd_pcm_lib_writev(struct snd_pcm_substream *substream,
snd_pcm_sframes_t snd_pcm_lib_readv(struct snd_pcm_substream *substream,
void __user **bufs, snd_pcm_uframes_t frames);
extern const struct snd_pcm_hw_constraint_list snd_pcm_known_rates;
int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime);
static inline void snd_pcm_set_runtime_buffer(struct snd_pcm_substream *substream,

13
sound/core/pcm_misc.c
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@ -433,21 +433,16 @@ EXPORT_SYMBOL(snd_pcm_format_set_silence);
*/
int snd_pcm_limit_hw_rates(struct snd_pcm_runtime *runtime)
{
static unsigned rates[] = {
/* ATTENTION: these values depend on the definition in pcm.h! */
5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000,
64000, 88200, 96000, 176400, 192000
};
int i;
for (i = 0; i < (int)ARRAY_SIZE(rates); i++) {
for (i = 0; i < (int)snd_pcm_known_rates.count; i++) {
if (runtime->hw.rates & (1 << i)) {
runtime->hw.rate_min = rates[i];
runtime->hw.rate_min = snd_pcm_known_rates.list[i];
break;
}
}
for (i = (int)ARRAY_SIZE(rates) - 1; i >= 0; i--) {
for (i = (int)snd_pcm_known_rates.count - 1; i >= 0; i--) {
if (runtime->hw.rates & (1 << i)) {
runtime->hw.rate_max = rates[i];
runtime->hw.rate_max = snd_pcm_known_rates.list[i];
break;
}
}

8
sound/core/pcm_native.c
View File

@ -1787,12 +1787,18 @@ static int snd_pcm_hw_rule_sample_bits(struct snd_pcm_hw_params *params,
static unsigned int rates[] = { 5512, 8000, 11025, 16000, 22050, 32000, 44100,
48000, 64000, 88200, 96000, 176400, 192000 };
const struct snd_pcm_hw_constraint_list snd_pcm_known_rates = {
.count = ARRAY_SIZE(rates),
.list = rates,
};
static int snd_pcm_hw_rule_rate(struct snd_pcm_hw_params *params,
struct snd_pcm_hw_rule *rule)
{
struct snd_pcm_hardware *hw = rule->private;
return snd_interval_list(hw_param_interval(params, rule->var),
ARRAY_SIZE(rates), rates, hw->rates);
snd_pcm_known_rates.count,
snd_pcm_known_rates.list, hw->rates);
}
static int snd_pcm_hw_rule_buffer_bytes_max(struct snd_pcm_hw_params *params,