From: Shengjiu Wang <shengjiu.wang@gmail.com> To: Nicolin Chen <nicoleotsuka@gmail.com> Cc: Shengjiu Wang <shengjiu.wang@nxp.com>, Linux-ALSA <alsa-devel@alsa-project.org>, Timur Tabi <timur@kernel.org>, Xiubo Li <Xiubo.Lee@gmail.com>, linuxppc-dev@lists.ozlabs.org, Takashi Iwai <tiwai@suse.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, Fabio Estevam <festevam@gmail.com>, linux-kernel <linux-kernel@vger.kernel.org> Subject: Re: [PATCH v2] ASoC: fsl-asoc-card: Remove fsl_asoc_card_set_bias_level function Date: Sun, 2 Aug 2020 10:22:35 +0800 [thread overview] Message-ID: <CAA+D8AMM90bt_WbPCny6C=R=dv6gXXh49p59yng2vH7DDuD2PQ@mail.gmail.com> (raw) In-Reply-To: <20200801075954.GA19629@Asurada-Nvidia> On Sat, Aug 1, 2020 at 4:01 PM Nicolin Chen <nicoleotsuka@gmail.com> wrote: > > Hi, > > Having two nits and one question, inline: > > On Thu, Jul 30, 2020 at 05:47:02PM +0800, Shengjiu Wang wrote: > > @@ -182,6 +180,69 @@ static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, > > cpu_priv->slot_width); > > if (ret && ret != -ENOTSUPP) { > > dev_err(dev, "failed to set TDM slot for cpu dai\n"); > > + goto out; > > + } > > + } > > + > > + /* Specific configuration for PLL */ > > + if (codec_priv->pll_id && codec_priv->fll_id) { > > + if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) > > + pll_out = priv->sample_rate * 384; > > + else > > + pll_out = priv->sample_rate * 256; > > + > > + ret = snd_soc_dai_set_pll(asoc_rtd_to_codec(rtd, 0), > > + codec_priv->pll_id, > > + codec_priv->mclk_id, > > + codec_priv->mclk_freq, pll_out); > > + if (ret) { > > + dev_err(dev, "failed to start FLL: %d\n", ret); > > + goto out; > > + } > > + > > + ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0), > > + codec_priv->fll_id, > > + pll_out, SND_SOC_CLOCK_IN); > > Just came into my mind: do we need some protection here to prevent > PLL/SYSCLK reconfiguration if TX/RX end up with different values? > Sorry, not really catching your point. could you please elaborate? Why do TX/RX end up with different values? best regards wang shengiu > > + return 0; > > + > > +out: > > + priv->streams &= ~BIT(substream->stream); > > + return ret; > > Rather than "out:" which doesn't explicitly indicate an error-out, > "fail:" would be better, following what we used in probe(). > > > +static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream) > > +{ > > + struct snd_soc_pcm_runtime *rtd = substream->private_data; > > + struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); > > + struct codec_priv *codec_priv = &priv->codec_priv; > > + struct device *dev = rtd->card->dev; > > + int ret; > > + > > + priv->streams &= ~BIT(substream->stream); > > + > > > + if (!priv->streams && codec_priv->pll_id && > > + codec_priv->fll_id) { > > This now can fit into single line :)
WARNING: multiple messages have this Message-ID (diff)
From: Shengjiu Wang <shengjiu.wang@gmail.com> To: Nicolin Chen <nicoleotsuka@gmail.com> Cc: Linux-ALSA <alsa-devel@alsa-project.org>, Timur Tabi <timur@kernel.org>, Xiubo Li <Xiubo.Lee@gmail.com>, Fabio Estevam <festevam@gmail.com>, Shengjiu Wang <shengjiu.wang@nxp.com>, Takashi Iwai <tiwai@suse.com>, Liam Girdwood <lgirdwood@gmail.com>, Mark Brown <broonie@kernel.org>, linuxppc-dev@lists.ozlabs.org, linux-kernel <linux-kernel@vger.kernel.org> Subject: Re: [PATCH v2] ASoC: fsl-asoc-card: Remove fsl_asoc_card_set_bias_level function Date: Sun, 2 Aug 2020 10:22:35 +0800 [thread overview] Message-ID: <CAA+D8AMM90bt_WbPCny6C=R=dv6gXXh49p59yng2vH7DDuD2PQ@mail.gmail.com> (raw) In-Reply-To: <20200801075954.GA19629@Asurada-Nvidia> On Sat, Aug 1, 2020 at 4:01 PM Nicolin Chen <nicoleotsuka@gmail.com> wrote: > > Hi, > > Having two nits and one question, inline: > > On Thu, Jul 30, 2020 at 05:47:02PM +0800, Shengjiu Wang wrote: > > @@ -182,6 +180,69 @@ static int fsl_asoc_card_hw_params(struct snd_pcm_substream *substream, > > cpu_priv->slot_width); > > if (ret && ret != -ENOTSUPP) { > > dev_err(dev, "failed to set TDM slot for cpu dai\n"); > > + goto out; > > + } > > + } > > + > > + /* Specific configuration for PLL */ > > + if (codec_priv->pll_id && codec_priv->fll_id) { > > + if (priv->sample_format == SNDRV_PCM_FORMAT_S24_LE) > > + pll_out = priv->sample_rate * 384; > > + else > > + pll_out = priv->sample_rate * 256; > > + > > + ret = snd_soc_dai_set_pll(asoc_rtd_to_codec(rtd, 0), > > + codec_priv->pll_id, > > + codec_priv->mclk_id, > > + codec_priv->mclk_freq, pll_out); > > + if (ret) { > > + dev_err(dev, "failed to start FLL: %d\n", ret); > > + goto out; > > + } > > + > > + ret = snd_soc_dai_set_sysclk(asoc_rtd_to_codec(rtd, 0), > > + codec_priv->fll_id, > > + pll_out, SND_SOC_CLOCK_IN); > > Just came into my mind: do we need some protection here to prevent > PLL/SYSCLK reconfiguration if TX/RX end up with different values? > Sorry, not really catching your point. could you please elaborate? Why do TX/RX end up with different values? best regards wang shengiu > > + return 0; > > + > > +out: > > + priv->streams &= ~BIT(substream->stream); > > + return ret; > > Rather than "out:" which doesn't explicitly indicate an error-out, > "fail:" would be better, following what we used in probe(). > > > +static int fsl_asoc_card_hw_free(struct snd_pcm_substream *substream) > > +{ > > + struct snd_soc_pcm_runtime *rtd = substream->private_data; > > + struct fsl_asoc_card_priv *priv = snd_soc_card_get_drvdata(rtd->card); > > + struct codec_priv *codec_priv = &priv->codec_priv; > > + struct device *dev = rtd->card->dev; > > + int ret; > > + > > + priv->streams &= ~BIT(substream->stream); > > + > > > + if (!priv->streams && codec_priv->pll_id && > > + codec_priv->fll_id) { > > This now can fit into single line :)
next prev parent reply other threads:[~2020-08-02 2:33 UTC|newest] Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-07-30 9:47 [PATCH v2] ASoC: fsl-asoc-card: Remove fsl_asoc_card_set_bias_level function Shengjiu Wang 2020-08-01 7:59 ` Nicolin Chen 2020-08-01 7:59 ` Nicolin Chen 2020-08-01 7:59 ` Nicolin Chen 2020-08-02 2:22 ` Shengjiu Wang [this message] 2020-08-02 2:22 ` Shengjiu Wang 2020-08-02 6:43 ` Nicolin Chen 2020-08-02 6:43 ` Nicolin Chen 2020-08-03 1:28 ` Shengjiu Wang 2020-08-03 1:28 ` Shengjiu Wang
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