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[PATCH v4 0/9] ASoC: rockchip: Parse dai links from dts

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  [PATCH v4 0/9] ASoC: rockchip: Parse dai links from dts Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-08-18 05:20 +0200
    [PATCH v4 8/9] ASoC: rockchip: Add support for DMIC codec Jeffy Chen <jeffy.chen@rock-chips.com> - 2017-08-18 05:20 +0200

#1714540 — [PATCH v4 0/9] ASoC: rockchip: Parse dai links from dts

Currently we are using a fixed list of dai links in the driver.
This serial of patches would let the driver parse dai links from
dts, so that we can make some of them optional for future boards.

Tested on my chromebook bob(with cros 4.4 kernel), it still works
after disabled rt5514 codecs in the dts.


Changes in v4:
Use non-zero drv id to avoid legacy dai naming instead of switching to
snd_soc_register_codec.

Changes in v3:
Use compatible to match audio codecs
        -- Suggested-by Matthias Kaehlcke <mka@chromium.org>

Changes in v2:
Let rockchip,codec-names be a required property, because we plan to
add more supported codecs to the fixed dai link list in the driver.

Jeffy Chen (9):
  ASoC: rt5514: Avoid legacy dai naming
  ASoC: rockchip: Remove obsolete dmic-delay
  ASoC: rockchip: Use codec of_node and dai_name for rt5514 dsp
  arm64: dts: rockchip: Add rt5514 dsp for Gru
  arm64: dts: rockchip: Update rt5514 devices' compatible for Gru
  ASoC: rockchip: Parse dai links from dts
  ASoC: rockchip: Add support for DP codec
  ASoC: rockchip: Add support for DMIC codec
  dt-bindings: ASoC: rockchip: Update description of rockchip,codec

 .../bindings/sound/rockchip,rk3399-gru-sound.txt   |   9 +-
 arch/arm64/boot/dts/rockchip/rk3399-gru.dtsi       |   7 +-
 sound/soc/codecs/rt5514-spi.c                      |   2 +-
 sound/soc/rockchip/Kconfig                         |   2 +
 sound/soc/rockchip/rk3399_gru_sound.c              | 263 ++++++++++++++-------
 5 files changed, 183 insertions(+), 100 deletions(-)

-- 
2.11.0

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#1714541 — [PATCH v4 8/9] ASoC: rockchip: Add support for DMIC codec

Add support for optional dmic codec.

Signed-off-by: Jeffy Chen <jeffy.chen@rock-chips.com>
---

Changes in v4: None
Changes in v3: None
Changes in v2: None

 sound/soc/rockchip/Kconfig            |  1 +
 sound/soc/rockchip/rk3399_gru_sound.c | 33 +++++++++++++++++++++++++++++++++
 2 files changed, 34 insertions(+)

diff --git a/sound/soc/rockchip/Kconfig b/sound/soc/rockchip/Kconfig
index 8f0d0d8d34e6..b0825370d262 100644
--- a/sound/soc/rockchip/Kconfig
+++ b/sound/soc/rockchip/Kconfig
@@ -69,6 +69,7 @@ config SND_SOC_RK3399_GRU_SOUND
 	select SND_SOC_DA7219
 	select SND_SOC_RT5514_SPI
 	select SND_SOC_HDMI_CODEC
+	select SND_SOC_DMIC
 	help
 	  Say Y or M here if you want to add support multiple codecs for SoC
 	  audio on Rockchip RK3399 GRU boards.
diff --git a/sound/soc/rockchip/rk3399_gru_sound.c b/sound/soc/rockchip/rk3399_gru_sound.c
index 8ffae1934b94..0be3e5c1386f 100644
--- a/sound/soc/rockchip/rk3399_gru_sound.c
+++ b/sound/soc/rockchip/rk3399_gru_sound.c
@@ -262,6 +262,25 @@ static int rockchip_sound_cdndp_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+static int rockchip_sound_dmic_hw_params(struct snd_pcm_substream *substream,
+			     struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_pcm_runtime *rtd = substream->private_data;
+	unsigned int mclk;
+	int ret;
+
+	mclk = params_rate(params) * SOUND_FS;
+
+	ret = snd_soc_dai_set_sysclk(rtd->cpu_dai, 0, mclk, 0);
+	if (ret) {
+		dev_err(rtd->card->dev, "%s() error setting sysclk to %u: %d\n",
+				__func__, mclk, ret);
+		return ret;
+	}
+
+	return 0;
+}
+
 static const struct snd_soc_ops rockchip_sound_max98357a_ops = {
 	.hw_params = rockchip_sound_max98357a_hw_params,
 };
@@ -278,6 +297,10 @@ static struct snd_soc_ops rockchip_sound_cdndp_ops = {
 	.hw_params = rockchip_sound_cdndp_hw_params,
 };
 
+static struct snd_soc_ops rockchip_sound_dmic_ops = {
+	.hw_params = rockchip_sound_dmic_hw_params,
+};
+
 static struct snd_soc_card rockchip_sound_card = {
 	.name = "rk3399-gru-sound",
 	.owner = THIS_MODULE,
@@ -292,6 +315,7 @@ static struct snd_soc_card rockchip_sound_card = {
 enum {
 	DAILINK_CDNDP,
 	DAILINK_DA7219,
+	DAILINK_DMIC,
 	DAILINK_MAX98357A,
 	DAILINK_RT5514,
 	DAILINK_RT5514_DSP,
@@ -300,6 +324,7 @@ enum {
 static const char * const dailink_compat[] = {
 	[DAILINK_CDNDP] = "rockchip,rk3399-cdn-dp",
 	[DAILINK_DA7219] = "dlg,da7219",
+	[DAILINK_DMIC] = "dmic-codec",
 	[DAILINK_MAX98357A] = "maxim,max98357a",
 	[DAILINK_RT5514] = "realtek,rt5514-i2c",
 	[DAILINK_RT5514_DSP] = "realtek,rt5514-spi",
@@ -324,6 +349,14 @@ static const struct snd_soc_dai_link rockchip_dais[] = {
 		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
 			SND_SOC_DAIFMT_CBS_CFS,
 	},
+	[DAILINK_DMIC] = {
+		.name = "DMIC",
+		.stream_name = "DMIC PCM",
+		.codec_dai_name = "dmic-hifi",
+		.ops = &rockchip_sound_dmic_ops,
+		.dai_fmt = SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_CBS_CFS,
+	},
 	[DAILINK_MAX98357A] = {
 		.name = "MAX98357A",
 		.stream_name = "MAX98357A PCM",
-- 
2.11.0

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