diff options
| author |   James O'Shannessy <james.oshannessy@fiberdyne.com.au> | 2018-10-02 15:55:55 +1000 |
|---|---|---|
| committer |   Mark Farrugia <mark.farrugia@fiberdyne.com.au> | 2018-10-26 17:27:29 +1100 |
| commit | 55d9a9f22aa909449925da9cb2e8de4d5a41bdfb (patch) | |
| tree | f07b99a5b5955128e3a48aa25e3a2a97013eceb5 /loopback/loopback.c | |
| parent | bc249f293cab17c0dcde886fccc26deb0dfca33c (diff) | |
Loopback progress
Loopback currently reads from dma_area but the initial copy from playback to capture has not been implemented.
Signed-off-by: James O'Shannessy <james.oshannessy@fiberdyne.com.au>
Diffstat (limited to 'loopback/loopback.c')
| -rw-r--r-- | loopback/loopback.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/loopback/loopback.c b/loopback/loopback.c index a925eaa..5694dce 100644 --- a/loopback/loopback.c +++ b/loopback/loopback.c @@ -162,6 +162,7 @@ void loopback_callback(struct timer_list *tlist) unsigned long flags; int elapsed = 0; + AP_INFOK(""); spin_lock_irqsave(&dpcm->lock, flags); // Perform copy from playback to capture @@ -169,6 +170,7 @@ void loopback_callback(struct timer_list *tlist) systimer_rearm(dpcm); elapsed = dpcm->elapsed; dpcm->elapsed = 0; + spin_unlock_irqrestore(&dpcm->lock, flags); if (elapsed) coreinfo->pcm_buff_complete(dpcm->substream); @@ -184,9 +186,6 @@ static int loopback_pcm_open(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct loopback_pcm *dpcm = runtime->private_data; - AP_INFOK("Open\n%s\nrate: %d\nch: %d", substream->pcm->name, - runtime->rate, runtime->channels); - err = systimer_create(substream); if (err < 0) return err; @@ -233,8 +232,10 @@ static int loopback_pcm_prepare(struct snd_pcm_substream *substream) struct snd_pcm_runtime *runtime = substream->runtime; struct loopback_pcm *dpcm = runtime->private_data; - AP_INFOK("Prepare"); - AP_INFOK("Runtime\nrate: %d\nch: %d", runtime->rate, runtime->channels); + AP_INFOK("%s\n%s\n%d\n%d", substream->pcm->name, + substream->stream == SNDRV_PCM_STREAM_PLAYBACK ? "PLAYBACK" : + "CAPTURE", + runtime->rate, runtime->channels); return systimer_prepare(substream); } @@ -255,11 +256,16 @@ static struct snd_pcm_hardware loopbackap_hw = { .info = (SNDRV_PCM_INFO_INTERLEAVED // Channel interleaved audio | SNDRV_PCM_INFO_BLOCK_TRANSFER | SNDRV_PCM_INFO_MMAP | SNDRV_PCM_INFO_MMAP_VALID), + /* .rates = SNDRV_PCM_RATE_8000 | SNDRV_PCM_RATE_16000 | SNDRV_PCM_RATE_32000 | SNDRV_PCM_RATE_44100 | SNDRV_PCM_RATE_48000, .rate_min = 8000, .rate_max = 48000, + */ + .rates = SNDRV_PCM_RATE_48000, + .rate_min = 48000, + .rate_max = 48000, .channels_min = 1, .channels_max = 8, //.buffer_bytes_max = 32768, @@ -280,7 +286,7 @@ static int __init loopback_init(void) { int err = 0; - AP_INFOK("init()\n"); + AP_INFOK("init()"); err = avirt_register_audiopath(&loopbackap_module, &coreinfo); if ((err < 0) || (!coreinfo)) { @@ -293,7 +299,7 @@ static int __init loopback_init(void) static void __exit loopback_exit(void) { - AP_INFOK("exit()\n"); + AP_INFOK("loopback: exit()"); avirt_deregister_audiopath(&loopbackap_module); } |