RE: [EXTERNAL] Re: [PATCH v2] ASoc: tas2781: Playback can work when only RCA binary loading without dsp firmware loading

From: Ding, Shenghao
Date: Wed May 29 2024 - 03:14:13 EST




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> Subject: [EXTERNAL] Re: [PATCH v2] ASoc: tas2781: Playback can work when
> only RCA binary loading without dsp firmware loading
>
> On 5/24/24 20: 47, Shenghao Ding wrote: > In only RCA binary loading case,
> only default dsp program inside the > chip will be work. What does 'RCA'
> stand for? Also clarify the commit title without double negatives, e. g. "Enable
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> On 5/24/24 20:47, Shenghao Ding wrote:
> > In only RCA binary loading case, only default dsp program inside the
> > chip will be work.
>
......................................................................
> > - if (tas_priv->fw_state == TASDEVICE_DSP_FW_FAIL) {
> > - /*If DSP FW fail, kcontrol won't be created */
> > - tasdevice_config_info_remove(tas_priv);
> > + if (tas_priv->fw_state == TASDEVICE_RCA_FW_OK) {
> > + /*If DSP FW fail, DSP kcontrol won't be created */
>
> It looks like you're no longer using PENDING and FAIL states?
> The state machine is becoming really hard to follow.
PENDING and FAIL states have been used in HDA-based tas2563/tas2781 driver

>
> > tasdevice_dsp_remove(tas_priv);
> > }
> > mutex_unlock(&tas_priv->codec_lock);
> > @@ -466,14 +472,14 @@ static int tasdevice_startup(struct
> > snd_pcm_substream *substream, {
> > struct snd_soc_component *codec = dai->component;
> > struct tasdevice_priv *tas_priv =
..................................................................................