I am building a mediaplayer ffplay (ffmpeg + sdl") in imx6q.

[谢骆冰谢]

I am building a mediaplayer ffplay (ffmpeg + sdl") in imx6q.but the audio driver has error as

     "asoc : platform imx-pcm-audio.1 hw params failed."

     " Audio write: Invalidargument"

     "SNDCTL_DSP_GETFMTS: Invalid argument"

How can I do？Give me a driver source  of wm8960？Thanks.

[igorpadykov]

Hi 谢骆冰 谢

suggest to look at attached file Chapter 8 Porting Audio Codecs to a Custom Board

and links below

Linux/sound/soc/codecs/wm8960.c - Linux Cross Reference - Free Electrons

Freescale i.MX6 ARM Motherboard, Cortex A9 Solo Core, HDMI, LVDS, RISC-based, MIPI-CSI Camera Interf...

Best regards

igor

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[谢骆冰谢]

thanks for igor，the problem has solved。my fs  /dev/snd directory is lack of nods，and then I has rebuild the kernel image，then it's all right！