Re: speaker-test error using sgtl5000 and imx27

[Alexandre Schnegg <aschnegg@digger.ch>]

Hello,

After a few researches, it seems to me that the problem come from the 
DMA. The SSI is set up correctly and waits for data from the DMA, but 
the DMA doesn't not seem to to do his job.

Does anyone can confirm me that the module imx_pcm_dma is working 
properly with Freescale imx27 and mainline kernel?

Anyone has got an audio codec working with the Freescale  imx27 and 
mainline kernel?

Thank you in advance for your help.

Best regards
Alexandre Schnegg

Le 15.09.2015 11:49, Alexandre Schnegg a écrit :
> Hello,
>
>   
>
> I would like to use the Freescale SGTl5000 audio codec with the Freescale
> imx27 processor.
>
>   
>
> Unfortunately, I get this error when I try to run < speaker-test >:
>
>   
>
> # speaker-test
>
>   
>
> speaker-test 1.0.28
>
>   
>
> Playback device is default
>
> Stream parameters are 48000Hz, S16_LE, 1 channels
>
> Using 16 octaves of pink noise
>
> Rate set to 48000Hz (requested 48000Hz)
>
> Buffer size range from 128 to 32768
>
> Period size range from 64 to 16384
>
> Using max buffer size 32768
>
> Periods = 4
>
> was set period_size = 8192
>
> was set buffer_size = 32768
>
> 0 - Front Left
>
> Write error: -5,Input/output error
>
> xrun_recovery failed: -5,Input/output error
>
> Transfer failed: Input/output error
>
>   
>
> The codec is connected to SSI2 pins and I would like to use the SSI0
> internal port in asynchronous mode (4 wires). The command interface is I2C1.
> The codec seems to work because it generates both bit and frame clocks (the
> codec is the master) but no data are coming from the processor. I'm using
> kernel 4.1.7 but I have got the same error with versions 3.19.8, 4.0.5 and
> 4.0.9. I have also tried the < imx-sgtl5000 > driver and I get the same
> error. I can use < alsamixer > with no issue.
>
>   
>
> Here are my device tree bindings:
>
>   
>
>                  sound {
>
>                                 compatible = "simple-audio-card";
>
>                                 simple-audio-card,name = "sgtl5000-audio";
>
>                                 simple-audio-card,format = "i2s";
>
>                                 simple-audio-card,bitclock-master =
> <&dailink0_master>;
>
>                                 simple-audio-card,frame-master =
> <&dailink0_master>;
>
>   
>
>                                 simple-audio-card,widgets =
>
>                                                 "Microphone", "Mic Jack",
>
>                                                 "Headphone", "Headphone
> Jack";
>
>   
>
>                                 simple-audio-card,routing =
>
>                                                 "MIC_IN", "Mic Jack",
>
>                                                 "Mic Jack", "Mic Bias",
>
>                                                 "Headphone Jack", "HP_OUT";
>
>   
>
>                                 simple-audio-card,cpu {
>
>                                                 sound-dai = <&ssi1 0>;
>
>                                 };
>
>   
>
>                                 dailink0_master: simple-audio-card,codec {
>
>                                                 sound-dai = <&sgtl5000>;
>
>                                                 clocks = <&mclk>;
>
>                                 };
>
>   
>
>                  };
>
>   
>
>                  mclk: asvmpc {
>
>                                 #clock-cells = <0>;
>
>                                 compatible = "fixed-clock";
>
>                                 clock-frequency = <12288000>;
>
>                  };
>
>   
>
> &ssi1 {
>
>                  #sound-dai-cells = <1>;
>
>                  status = "okay";
>
>                  fsl,audmux-port = <MX27_AUDMUX_PPCR2_SSI_PINS_2>;
>
>                  fsl,port-config = <
>
>                                 (IMX_AUDMUX_V1_PCR_SYN |
>
>   
> IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_HPCR1_SSI0))
>
>                  >;
>
> };
>
>   
>
> &audmux {
>
>                  pinctrl-names = "default";
>
>                  pinctrl-0 = <&pinctrl_ssi2>;
>
>                  status = "okay";
>
>                  fsl,audmux-port = <MX27_AUDMUX_HPCR1_SSI0>;
>
>                  fsl,port-config = <
>
>                                 (IMX_AUDMUX_V1_PCR_SYN |
>
>   
> IMX_AUDMUX_V1_PCR_TFCSEL(MX27_AUDMUX_PPCR2_SSI_PINS_2) |
>
>                                 IMX_AUDMUX_V1_PCR_TFSDIR |
>
>                                 IMX_AUDMUX_V1_PCR_TCLKDIR |
>
>   
> IMX_AUDMUX_V1_PCR_RXDSEL(MX27_AUDMUX_PPCR2_SSI_PINS_2))
>
>                  >;
>
> };
>
>   
>
> &i2c1 {
>
>                  clock-frequency = <100000>;
>
>                  pinctrl-names = "default";
>
>                  pinctrl-0 = <&pinctrl_i2c1>;
>
>                  status = "okay";
>
>   
>
>                  sgtl5000: sgtl5000@0a {
>
>                                 #sound-dai-cells = <0>;
>
>                                 compatible = "fsl,sgtl5000";
>
>                                 reg = <0x0a>;
>
>                                 clocks = <&mclk>;
>
>                                 micbias-resistor-k-ohms = <2>;
>
>                                 micbias-voltage-m-volts = <2250>;
>
>                                 VDDA-supply = <&reg_2p8v>;
>
>                                  VDDIO-supply = <&reg_2p8v>;
>
>                  };
>
> };
>
>   
>
> pinctrl_ssi2: ssi2grp {
>
>                                 fsl,pins = <
>
>                                                 MX27_PAD_SSI2_FS__SSI2_FS 0x0
>
>   
> MX27_PAD_SSI2_RXDAT__SSI2_RXDAT 0x0
>
>   
> MX27_PAD_SSI2_TXDAT__SSI2_TXDAT 0x0
>
>                                                 MX27_PAD_SSI2_CLK__SSI2_CLK
> 0x0
>
>                                                 >;
>
>                  };
>
>   
>
> And the modules I have loaded before running < speaker test > :
>
>   
>
> # modprobe snd-soc-sgtl5000
>
> [   23.274351] sgtl5000 0-000a: sgtl5000 revision 0x11
>
> # modprobe snd-soc-simple-card
>
> # modprobe snd-soc-fsl-ssi
>
> [   79.752288] sgtl5000 0-000a: Using internal LDO instead of VDDD
>
> # [   79.853711] asoc-simple-card sound: sgtl5000 <-> 10010000.ssi mapping
> ok
>
> # modprobe snd-soc-imx-audmux
>
>   
>
> Does anybody know what is the mistake?
>
>   
>
> Thank you for your help.
>
>   
>
> Best regards.
>
> Alexandre Schnegg
>
>   
>
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