20210607 RK3328 Android 10 上调试es7243记录

二、修改的部分，解决没有mclk的问题。 commit b86b0275bf898fcc61abd48c776186e901bceac7Author: xxx <xxx@xxx.comgit@192.168.2.82:xxx/xxx.git>Date: Mon Jun 7 10:02:10 2021 +0800 es7243 recording function is ok now .diff --git a/kernel/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/kernel/arch/arm64/boot/dts/rockchip/rk3328.dtsiindex db9df63..5d9cb89 100755--- a/kernel/arch/arm64/boot/dts/rockchip/rk3328.dtsi+++ b/kernel/arch/arm64/boot/dts/rockchip/rk3328.dtsi@@ -242,8 +242,8 @@ compatible = "rockchip,rk3328-i2s", "rockchip,rk3066-i2s"; reg = <0x0 0xff010000 0x0 0x1000>; interrupts = <GIC_SPI 27 IRQ_TYPE_LEVEL_HIGH>;-clocks = <&cru SCLK_I2S1>, <&cru HCLK_I2S1_8CH>;-clock-names = "i2s_clk", "i2s_hclk";+clocks = <&cru SCLK_I2S1>, <&cru HCLK_I2S1_8CH>,<&cru SCLK_I2S1_OUT>;+clock-names = "i2s_clk", "i2s_hclk","i2s_mclk"; dmas = <&dmac 14>, <&dmac 15>; dma-names = "tx", "rx"; resets = <&cru SRST_I2S1>, <&cru SRST_I2S1_H>;@@ -1080,8 +1080,8 @@ compatible = "rockchip,rk3328-codec"; reg = <0x0 0xff410000 0x0 0x1000>; rockchip,grf = <&grf>;-clocks = <&cru PCLK_ACODEC>, <&cru SCLK_I2S1>;-clock-names = "pclk", "mclk";+clocks = <&cru PCLK_ACODEC>, <&cru SCLK_I2S1>, <&cru SCLK_I2S1_OUT>;+clock-names = "pclk", "mclk","i2s1_mclk"; status = "disabled"; };diff --git a/kernel/sound/soc/codecs/rk3328_codec.c b/kernel/sound/soc/codecs/rk3328_codec.cold mode 100644new mode 100755index 5a4184a..6c5cbde--- a/kernel/sound/soc/codecs/rk3328_codec.c+++ b/kernel/sound/soc/codecs/rk3328_codec.c@@ -42,6 +42,9 @@ #define RK3328_GRF_SOC_CON10(0x0428) #define INITIAL_FREQ(11289600) +extern int es7243_standby(void);+extern int es7243_start(void);+ struct rk3328_codec_priv { struct regmap *regmap; struct regmap *grf;@@ -50,6 +53,7 @@ struct rk3328_codec_priv { unsigned int sclk; int spk_depop_time; /* msec */ };+struct clk *i2s1_mclk;static const struct reg_default rk3328_codec_reg_defaults[] = { { CODEC_RESET, 0x03 },@@ -322,13 +326,29 @@ static int rk3328_hw_params(struct snd_pcm_substream *substream, static int rk3328_pcm_startup(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) {-return rk3328_codec_open_playback(dai->component);+printk("rn rk3328_pcm_startup substream->stream=%d rn",substream->stream);+ if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK)+ return rk3328_codec_open_playback(dai->component);+else {+printk("%s--es7243_start---n",__func__);+ clk_prepare_enable(i2s1_mclk);+ clk_set_rate(i2s1_mclk, INITIAL_FREQ);+ es7243_start();+ return 0;+ } } static void rk3328_pcm_shutdown(struct snd_pcm_substream *substream, struct snd_soc_dai *dai) {-rk3328_codec_close_playback(dai->component);+printk("rn rk3328_pcm_shutdown substream->stream=%d rn",substream->stream);+if(substream->stream == SNDRV_PCM_STREAM_PLAYBACK)+ rk3328_codec_close_playback(dai->component);+ else {+ printk("%s--es7243_standbyn",__func__);+ es7243_standby();+ clk_disable_unprepare(i2s1_mclk);+ } } static const struct snd_soc_dai_ops rk3328_dai_ops = {@@ -473,9 +493,11 @@ static int rk3328_platform_probe(struct platform_device *pdev) rk3328_analog_output(rk3328, 0); rk3328->mclk = devm_clk_get(&pdev->dev, "mclk");+i2s1_mclk = devm_clk_get(&pdev->dev, "i2s1_mclk"); if (IS_ERR(rk3328->mclk)) return PTR_ERR(rk3328->mclk); + ret = clk_prepare_enable(rk3328->mclk); if (ret) return ret; 三、测试命令 tinycap /sdcard/rec0.wav   -D 0 -d 0 –c 2 –r 44100 –b 16 –p 1024 –n 3 四、es7243驱动在附件，下载地址https://download.csdn.net/download/qq_37858386/19426344.