Re: [PATCH] [v2] ASoC: Intel: sof_rt5682: Add support for max98390 speaker amp

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On 2021-08-24 3:21 PM, Mark Hsieh wrote:
Configure adl_max98390_rt5682 to support the rt5682 headset codec and max98390 speaker


Unsure if line-length for commit messages has been extended to 100 as it was the case for code parts but this line certainly exceeds default.

BUG=b:191811888
TEST=emerge-brya chromeos-kernel-5_10


Are these two tags meaningful for upstream kernel?

Signed-off-by: Mark Hsieh <mark_hsieh@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
---
  sound/soc/intel/boards/Kconfig                |  1 +
  sound/soc/intel/boards/sof_maxim_common.c     | 59 +++++++++++++++++++
  sound/soc/intel/boards/sof_maxim_common.h     | 12 ++++
  sound/soc/intel/boards/sof_rt5682.c           | 20 ++++++-
  .../intel/common/soc-acpi-intel-adl-match.c   | 13 ++++
  5 files changed, 104 insertions(+), 1 deletion(-)


...

+static int max_98390_hw_params(struct snd_pcm_substream *substream,
+			       struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+	struct snd_soc_dai *codec_dai;
+	int j;

We usually start from 'i' when it comes to choosing iteration-variable names.

+
+	for_each_rtd_codec_dais(rtd, j, codec_dai) {
+		if (!strcmp(codec_dai->component->name, MAX_98390_DEV0_NAME)) {
+			/* DEV0 tdm slot configuration */
+			snd_soc_dai_set_tdm_slot(codec_dai, 0x03, 3, 2, 16);
+		}

Suggesting to move comment one line up as you ideally want to explain the reasoning behind if-statement, not the actual execution statement.

Once that is done, both parenthesis can be dropped.

+		if (!strcmp(codec_dai->component->name, MAX_98390_DEV1_NAME)) {
+			/* DEV1 tdm slot configuration */
+			snd_soc_dai_set_tdm_slot(codec_dai, 0x0C, 3, 2, 16);
+		}

Same applies here.

+	}
+	return 0;
+}
+

...

diff --git a/sound/soc/intel/boards/sof_rt5682.c b/sound/soc/intel/boards/sof_rt5682.c
index 39217223d50c..dc4966056b7d 100644
--- a/sound/soc/intel/boards/sof_rt5682.c
+++ b/sound/soc/intel/boards/sof_rt5682.c
@@ -49,6 +49,7 @@
  #define SOF_RT1015P_SPEAKER_AMP_PRESENT		BIT(16)
  #define SOF_MAX98373_SPEAKER_AMP_PRESENT	BIT(17)
  #define SOF_MAX98360A_SPEAKER_AMP_PRESENT	BIT(18)
+#define SOF_MAX98390_SPEAKER_AMP_PRESENT	BIT(23)
/* BT audio offload: reserve 3 bits for future */
  #define SOF_BT_OFFLOAD_SSP_SHIFT		19
@@ -781,6 +782,13 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev,
  		} else if (sof_rt5682_quirk &
  				SOF_RT1011_SPEAKER_AMP_PRESENT) {
  			sof_rt1011_dai_link(&links[id]);
+		} else if (sof_rt5682_quirk &
+				SOF_MAX98390_SPEAKER_AMP_PRESENT) {

Pretty sure this two lines could be combined - does not exceed 100character limit.

+			links[id].codecs = max_98390_components;
+			links[id].num_codecs = ARRAY_SIZE(max_98390_components);
+			links[id].init = max_98373_spk_codec_init;
+			links[id].ops = &max_98390_ops;
+			links[id].dpcm_capture = 1;
  		} else {
  			max_98357a_dai_link(&links[id]);
  		}
@@ -917,7 +925,8 @@ static int sof_audio_probe(struct platform_device *pdev)
  		sof_rt1011_codec_conf(&sof_audio_card_rt5682);
  	else if (sof_rt5682_quirk & SOF_RT1015P_SPEAKER_AMP_PRESENT)
  		sof_rt1015p_codec_conf(&sof_audio_card_rt5682);
-
+	else if (sof_rt5682_quirk & SOF_MAX98390_SPEAKER_AMP_PRESENT)
+		max_98390_set_codec_conf(&sof_audio_card_rt5682);
  	if (sof_rt5682_quirk & SOF_SSP_BT_OFFLOAD_PRESENT)
  		sof_audio_card_rt5682.num_links++;

Please keep the newline between these two conditional blocks. A new if-statement usually translates to new thought and it is good to separate those.

@@ -1043,6 +1052,15 @@ static const struct platform_device_id board_ids[] = {
  					SOF_RT5682_SSP_AMP(2) |
  					SOF_RT5682_NUM_HDMIDEV(4)),
  	},
+	{
+		.name = "adl_max98390_rt5682",
+		.driver_data = (kernel_ulong_t)(SOF_RT5682_MCLK_EN |
+					SOF_RT5682_SSP_CODEC(0) |
+					SOF_SPEAKER_AMP_PRESENT |
+					SOF_MAX98390_SPEAKER_AMP_PRESENT |
+					SOF_RT5682_SSP_AMP(2) |
+					SOF_RT5682_NUM_HDMIDEV(4)),
+	},

This indentation seems off. Though it seems the same applies for the rest of the array..

  	{ }
  };
  MODULE_DEVICE_TABLE(platform, board_ids);
diff --git a/sound/soc/intel/common/soc-acpi-intel-adl-match.c b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
index a0f6a69c7038..2db152998e4a 100644
--- a/sound/soc/intel/common/soc-acpi-intel-adl-match.c
+++ b/sound/soc/intel/common/soc-acpi-intel-adl-match.c
@@ -280,6 +280,11 @@ static const struct snd_soc_acpi_codecs adl_max98357a_amp = {
  	.codecs = {"MX98357A"}
  };
+static const struct snd_soc_acpi_codecs adl_max98390_amp = {
+	.num_codecs = 1,
+	.codecs = {"MX98390"}

For 'forward compatibility' with possible changes to struct snd_soc_acpi_codecs, I'd advise appending comma at the end of the line.

+};
+

Regards,
Czarek



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