static int qsd_pcm_playback_copy(struct snd_pcm_substream *substream, int a,
snd_pcm_uframes_t hwoff, void __user *buf,
snd_pcm_uframes_t frames)
{
int fbytes = 0;
size_t xfer;
int rc;
struct snd_pcm_runtime *runtime = substream->runtime;
struct qsd_audio *prtd = runtime->private_data;
fbytes = frames_to_bytes(runtime, frames);
prtd->cbs.buffer = (void *)buf;
prtd->cbs.phys_addr = 0;
prtd->cbs.max_size = fbytes;
prtd->cbs.actual_size = fbytes;
prtd->pcm_buf_pos += fbytes;
mutex_lock(&the_locks.lock);
xfer = cad_write(prtd->cad_w_handle, &prtd->cbs);
mutex_unlock(&the_locks.lock);
mutex_lock(&the_locks.mixer_lock);
if (qsd_glb_ctl.update) {
rc = qsd_audio_volume_update(prtd);
qsd_glb_ctl.update = 0;
}
mutex_unlock(&the_locks.mixer_lock);
return 0;
}
static ssize_t msm8k_mp3_write(struct file *f, const char __user *buf,
size_t cnt, loff_t *pos)
{
struct cad_buf_struct_type cbs;
struct mp3 *mp3 = f->private_data;
D("%s\n", __func__);
memset(&cbs, 0, sizeof(struct cad_buf_struct_type));
cbs.buffer = (void *)buf;
cbs.phys_addr = 0;
cbs.max_size = cnt;
cad_write(mp3->cad_w_handle, &cbs);
return cnt;
}
static ssize_t msm8k_aac_write(struct file *f, const char __user *buf,
size_t cnt, loff_t *pos)
{
struct cad_buf_struct_type cbs;
struct aac *aac = f->private_data;
D("%s\n", __func__);
memset(&cbs, 0, sizeof(struct cad_buf_struct_type));
cbs.buffer = (void *)buf;
cbs.phys_addr = 0;
cbs.max_size = cnt;
mutex_lock(&aac->write_lock);
cad_write(aac->cad_w_handle, &cbs);
mutex_unlock(&aac->write_lock);
return cnt;
}
