在DTS中增加: es7210_sound: es7210-sound { status = "okay"; compatible = "simple-audio-card"; simple-audio-card,format = "i2s"; simple-audio-card,name = "rockchip,es7210"; simple-audio-card,mclk-fs = <256>; simple-audio-card,cpu { sound-dai = <&i2s_8ch_0>; }; simple-audio-card,codec { sound-dai = <&es7210>; }; }; &i2s_8ch_0 { status = "okay"; rockchip,no-dmaengine; #sound-dai-cells = <0>; }; &i2s_8ch_1 { status = "okay"; #sound-dai-cells = <0>; rockchip,no-dmaengine; pinctrl-names = "default"; pinctrl-0 = <&i2s_8ch_1_m0_sclktx &i2s_8ch_1_m0_lrcktx &i2s_8ch_1_m0_sdo0 &i2s_8ch_1_m0_mclk>; }; &i2c3 { status = "okay"; pinctrl-0 = <&i2c3m1_xfer>; clock-frequency = <100000>; es7210: es7210@41 { #sound-dai-cells = <0>; compatible = "MicArray_3"; reg = <0x41>; clocks = <&cru SCLK_I2S0_8CH_TX_OUT>; clock-names = "mclk"; pinctrl-names = "default"; }; }; 驱动等已正常编译加载,但无法正常生成声卡,log提示platform name 为空,仔细跟踪后发现没有调用过snd_soc_register_platform函数,不知道在哪里增加这部分。 [ 1.591878] snd-soc-dummy snd-soc-dummy: snd_soc_dummy_probe [ 1.591899] snd-soc-dummy snd-soc-dummy: codec register snd-soc-dummy [ 1.591923] snd-soc-dummy snd-soc-dummy: ASoC: dai register snd-soc-dummy #1 [ 1.591939] snd-soc-dummy snd-soc-dummy: ASoC: Registered DAI 'snd-soc-dummy-dai' [ 1.591954] snd-soc-dummy snd-soc-dummy: ASoC: Registered codec 'snd-soc-dummy' [ 1.591967] snd-soc-dummy snd-soc-dummy: ASoC: platform register snd-soc-dummy [ 1.591981] snd-soc-dummy snd-soc-dummy: ASoC: snd_soc_add_platform '(null)' [ 1.591997] snd-soc-dummy snd-soc-dummy: ASoC: Registered platform 'snd-soc-dummy' [ 1.592658] asoc-simple-card es7210-sound: New simple-card: rockchip,es7210 [ 1.592697] asoc-simple-card es7210-sound: Revert to legacy daifmt parsing [ 1.594614] rockchip-i2s-tdm ff300000.i2s: devm_snd_soc_register_component [ 1.594653] rockchip-i2s-tdm ff300000.i2s: ASoC: dai register ff300000.i2s #1 [ 1.594671] rockchip-i2s-tdm ff300000.i2s: ASoC: Registered DAI 'ff300000.i2s' [ 1.595501] rockchip-i2s-tdm ff310000.i2s: devm_snd_soc_register_component [ 1.595535] rockchip-i2s-tdm ff310000.i2s: ASoC: dai register ff310000.i2s #1 [ 1.595553] rockchip-i2s-tdm ff310000.i2s: ASoC: Registered DAI 'ff310000.i2s' [ 1.623008] es7210_modinit enter [ 1.623106] mmc_host mmc0: Bus speed (slot 0) = 147456000Hz (slot req 150000000Hz, actual 147456000HZ div = 0) [ 1.623174] begin->>>>>>>>>>es7210_i2c_probe! [ 1.623186] i2c info: i2c flags = 0 i2c addr=41 i2c name=MicArray_3 [ 1.623194] i2c info:device id = MicArray_3 [ 1.623209] es7210 3-0041: codec register 3-0041 [ 1.623243] es7210 3-0041: ASoC: dai register 3-0041 #1 [ 1.623255] es7210 3-0041: ASoC: Registered DAI 'ES7210 4CH ADC 3' [ 1.623269] es7210 3-0041: ASoC: Registered codec 'es7210.3-0041' [ 1.623656] asoc-simple-card es7210-sound: New simple-card: rockchip,es7210 [ 1.623691] asoc-simple-card es7210-sound: Revert to legacy daifmt parsing [ 1.623889] asoc-simple-card es7210-sound: name : ff300000.i2s-ES7210 4CH ADC 3 [ 1.623904] asoc-simple-card es7210-sound: format : 4001 [ 1.623915] asoc-simple-card es7210-sound: cpu : ff300000.i2s / 50176000 [ 1.623926] asoc-simple-card es7210-sound: codec : ES7210 4CH ADC 3 / 50176000 [ 1.623939] of_get_named_gpiod_flags: can't parse 'simple-audio-card,hp-det-gpio' property of node '/es7210-sound[0]' [ 1.623950] of_get_named_gpiod_flags: can't parse 'simple-audio-card,mic-det-gpio' property of node '/es7210-sound[0]' [ 1.623971] asoc-simple-card es7210-sound: ASoC: binding ff300000.i2s-ES7210 4CH ADC 3 at idx 0 [ 1.623985] asoc-simple-card es7210-sound: platform_name: (null) [ 1.623997] asoc-simple-card es7210-sound: platform_name: (null) platform->component.name:snd-soc-dummy [ 1.624009] asoc-simple-card es7210-sound: ASoC: platform (null) not registered |
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