ALSA: fireworks: code refactoring for pcm.hw_params/hw_free
authorTakashi Sakamoto <o-takashi@sakamocchi.jp>
Wed, 12 Jun 2019 08:44:10 +0000 (17:44 +0900)
committerTakashi Iwai <tiwai@suse.de>
Wed, 12 Jun 2019 13:26:51 +0000 (15:26 +0200)
Two sets of callbacks for pcm.hw_params/hw_free but they have the same
codes. This commit unifies each of the callbacks.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
sound/firewire/fireworks/fireworks_pcm.c

index a66f6a381dac7a8cd778c485413dd5669704c737..398a6ad04c5ff154edd1a752ee41687533a574f4 100644 (file)
@@ -219,7 +219,7 @@ static int pcm_close(struct snd_pcm_substream *substream)
        return 0;
 }
 
-static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
+static int pcm_hw_params(struct snd_pcm_substream *substream,
                                 struct snd_pcm_hw_params *hw_params)
 {
        struct snd_efw *efw = substream->private_data;
@@ -238,41 +238,8 @@ static int pcm_capture_hw_params(struct snd_pcm_substream *substream,
 
        return 0;
 }
-static int pcm_playback_hw_params(struct snd_pcm_substream *substream,
-                                 struct snd_pcm_hw_params *hw_params)
-{
-       struct snd_efw *efw = substream->private_data;
-       int err;
-
-       err = snd_pcm_lib_alloc_vmalloc_buffer(substream,
-                                              params_buffer_bytes(hw_params));
-       if (err < 0)
-               return err;
-
-       if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
-               mutex_lock(&efw->mutex);
-               ++efw->substreams_counter;
-               mutex_unlock(&efw->mutex);
-       }
-
-       return 0;
-}
-
-static int pcm_capture_hw_free(struct snd_pcm_substream *substream)
-{
-       struct snd_efw *efw = substream->private_data;
 
-       if (substream->runtime->status->state != SNDRV_PCM_STATE_OPEN) {
-               mutex_lock(&efw->mutex);
-               --efw->substreams_counter;
-               mutex_unlock(&efw->mutex);
-       }
-
-       snd_efw_stream_stop_duplex(efw);
-
-       return snd_pcm_lib_free_vmalloc_buffer(substream);
-}
-static int pcm_playback_hw_free(struct snd_pcm_substream *substream)
+static int pcm_hw_free(struct snd_pcm_substream *substream)
 {
        struct snd_efw *efw = substream->private_data;
 
@@ -378,8 +345,8 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw)
                .open           = pcm_open,
                .close          = pcm_close,
                .ioctl          = snd_pcm_lib_ioctl,
-               .hw_params      = pcm_capture_hw_params,
-               .hw_free        = pcm_capture_hw_free,
+               .hw_params      = pcm_hw_params,
+               .hw_free        = pcm_hw_free,
                .prepare        = pcm_capture_prepare,
                .trigger        = pcm_capture_trigger,
                .pointer        = pcm_capture_pointer,
@@ -390,8 +357,8 @@ int snd_efw_create_pcm_devices(struct snd_efw *efw)
                .open           = pcm_open,
                .close          = pcm_close,
                .ioctl          = snd_pcm_lib_ioctl,
-               .hw_params      = pcm_playback_hw_params,
-               .hw_free        = pcm_playback_hw_free,
+               .hw_params      = pcm_hw_params,
+               .hw_free        = pcm_hw_free,
                .prepare        = pcm_playback_prepare,
                .trigger        = pcm_playback_trigger,
                .pointer        = pcm_playback_pointer,