static int msm_compr_prepare(struct snd_pcm_substream *substream)
{
int ret = 0;
pr_info("[AUD]%s, vol %d\n", __func__, compr_msm_global.volume);
compr_set_volume(compr_msm_global.volume);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
ret = msm_compr_playback_prepare(substream);
else if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
ret = EINVAL;
return ret;
}
static int msm_compr_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
struct compr_audio *compr;
struct msm_audio *prtd;
struct asm_softpause_params softpause = {
.enable = SOFT_PAUSE_ENABLE,
.period = SOFT_PAUSE_PERIOD,
.step = SOFT_PAUSE_STEP,
.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
};
struct asm_softvolume_params softvol = {
.period = SOFT_VOLUME_PERIOD,
.step = SOFT_VOLUME_STEP,
.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
};
int ret = 0;
/* Capture path */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return -EINVAL;
pr_debug("[AUD]%s\n", __func__);
compr = kzalloc(sizeof(struct compr_audio), GFP_KERNEL);
if (compr == NULL) {
pr_err("[AUD]Failed to allocate memory for msm_audio\n");
return -ENOMEM;
}
prtd = &compr->prtd;
prtd->substream = substream;
prtd->audio_client = q6asm_audio_client_alloc(
(app_cb)compr_event_handler, compr);
if (!prtd->audio_client) {
pr_info("[AUD]%s: Could not allocate memory\n", __func__);
kfree(prtd);
return -ENOMEM;
}
runtime->hw = msm_compr_hardware_playback;
//HTC_AUD +++
/*
* to invoke q6asm_open_write() before opening adm_open()
* issue: LPASS cannot handle data stream properly when switching
* from non-tunnel to tunnel mode
*
* the change fixes data format as MP3 which lost extensiblity
* should be take care when new codecs supported
*/
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
ret = q6asm_open_write(prtd->audio_client, FORMAT_MP3);
if (ret < 0) {
pr_err("[AUD]%s: Session out open failed\n", __func__);
q6asm_audio_client_free(prtd->audio_client);
kfree(prtd);
return -ENOMEM;
}
ret = q6asm_set_io_mode(prtd->audio_client, ASYNC_IO_MODE);
if (ret < 0) {
pr_err("[AUD]%s: Set IO mode failed\n", __func__);
q6asm_audio_client_free(prtd->audio_client);
kfree(prtd);
return -ENOMEM;
}
}
//HTC_AUD ---
pr_info("[AUD]%s: session ID %d\n", __func__, prtd->audio_client->session);
prtd->session_id = prtd->audio_client->session;
msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
prtd->session_id, substream->stream);
prtd->cmd_ack = 1;
ret = snd_pcm_hw_constraint_list(runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_list failed\n");
/* Ensure that buffer size is a multiple of period size */
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_integer failed\n");
prtd->dsp_cnt = 0;
atomic_set(&prtd->pending_buffer, 1);
compr->codec = FORMAT_MP3;
populate_codec_list(compr, runtime);
runtime->private_data = compr;
compr_msm_global.prtd = prtd;
compr_set_volume(compr_msm_global.volume);
ret = q6asm_set_softpause(compr_msm_global.prtd->audio_client, &softpause);
if (ret < 0)
pr_err("[AUD]%s: Send SoftPause Param failed ret=%d\n",
__func__, ret);
ret = q6asm_set_softvolume(compr_msm_global.prtd->audio_client, &softvol);
if (ret < 0)
pr_err("[AUD]%s: Send SoftVolume Param failed ret=%d\n",
__func__, ret);
return 0;
}
static int msm_compr_open(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct snd_soc_pcm_runtime *soc_prtd = substream->private_data;
struct compr_audio *compr;
struct msm_audio *prtd;
struct asm_softpause_params softpause = {
.enable = SOFT_PAUSE_ENABLE,
.period = SOFT_PAUSE_PERIOD,
.step = SOFT_PAUSE_STEP,
.rampingcurve = SOFT_PAUSE_CURVE_LINEAR,
};
struct asm_softvolume_params softvol = {
.period = SOFT_VOLUME_PERIOD,
.step = SOFT_VOLUME_STEP,
.rampingcurve = SOFT_VOLUME_CURVE_LINEAR,
};
int ret = 0;
/* Capture path */
if (substream->stream == SNDRV_PCM_STREAM_CAPTURE)
return -EINVAL;
pr_debug("[AUD]%s\n", __func__);
compr = kzalloc(sizeof(struct compr_audio), GFP_KERNEL);
if (compr == NULL) {
pr_err("[AUD]Failed to allocate memory for msm_audio\n");
return -ENOMEM;
}
prtd = &compr->prtd;
prtd->substream = substream;
prtd->audio_client = q6asm_audio_client_alloc(
(app_cb)compr_event_handler, compr);
if (!prtd->audio_client) {
pr_info("[AUD]%s: Could not allocate memory\n", __func__);
kfree(prtd);
return -ENOMEM;
}
runtime->hw = msm_compr_hardware_playback;
pr_info("[AUD]%s: session ID %d\n", __func__, prtd->audio_client->session);
prtd->session_id = prtd->audio_client->session;
msm_pcm_routing_reg_phy_stream(soc_prtd->dai_link->be_id,
prtd->session_id, substream->stream);
prtd->cmd_ack = 1;
ret = snd_pcm_hw_constraint_list(runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_sample_rates);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_list failed\n");
/* Ensure that buffer size is a multiple of period size */
ret = snd_pcm_hw_constraint_integer(runtime,
SNDRV_PCM_HW_PARAM_PERIODS);
if (ret < 0)
pr_info("[AUD]snd_pcm_hw_constraint_integer failed\n");
prtd->dsp_cnt = 0;
atomic_set(&prtd->pending_buffer, 1);
compr->codec = FORMAT_MP3;
populate_codec_list(compr, runtime);
runtime->private_data = compr;
compr_msm_global.prtd = prtd;
compr_set_volume(compr_msm_global.volume);
ret = q6asm_set_softpause(compr_msm_global.prtd->audio_client, &softpause);
if (ret < 0)
pr_err("[AUD]%s: Send SoftPause Param failed ret=%d\n",
__func__, ret);
ret = q6asm_set_softvolume(compr_msm_global.prtd->audio_client, &softvol);
if (ret < 0)
pr_err("[AUD]%s: Send SoftVolume Param failed ret=%d\n",
__func__, ret);
return 0;
}
