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-rw-r--r--include/sound/pcm.h2
-rw-r--r--sound/core/pcm_misc.c13
-rw-r--r--sound/core/pcm_native.c8
3 files changed, 13 insertions, 10 deletions
diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 73334e0..2d5dee2 100644
--- a/include/sound/pcm.h
+++ b/include/sound/pcm.h
@@ -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,
diff --git a/sound/core/pcm_misc.c b/sound/core/pcm_misc.c
index 9142fce..afd1e49 100644
--- a/sound/core/pcm_misc.c
+++ b/sound/core/pcm_misc.c
@@ -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;
}
}
diff --git a/sound/core/pcm_native.c b/sound/core/pcm_native.c
index 59b29cd..b78a411 100644
--- a/sound/core/pcm_native.c
+++ b/sound/core/pcm_native.c
@@ -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,
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