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

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>

3 files changed, 13 insertions, 10 deletions

diff --git a/include/sound/pcm.h b/include/sound/pcm.h
index 73334e0f823f..2d5dee2fcb64 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 9142fce4dda2..afd1e4929755 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 59b29cd482ae..b78a411fb550 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,