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Simple driver for Hifiberry and ICS43432 MEMS microphone compatible hardware

Makefile 6.73% C 93.27%

raspberrypi raspberry-pi hifiberry ics43432 adafruit-speaker-bonnet adafruit-mems sph0645

hifimems-kmod's Introduction

AoSC Driver Simple I2S Hifiberry and ICS43432 MEMS

Use Hifiberry-dac / Adafruit Speaker Bonnet and ICS43432 / SPH0645 I2S MEMS Mic simultaneously

Tested with:

Based on googlevoicehat-{codec,soundcard}.c by Peter Malkin.

Install

This was installed successfully on Linux 4.9.35+ on a Raspberry Pi Zero W

sudo apt-get install raspberrypi-kernel-headers

git clone https://github.com/GothAck/hifimems-kmod
cd hifimems-kmod

make KERNEL_SRC=/lib/modules/$(uname -r)/build all
sudo make KERNEL_SRC=/lib/modules/$(uname -r)/build modules_install

hifimems-kmod's People

Contributors

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Forkers

sarev0k hagaeru3sei matejlach sjb j-u-n-o kobayutapon ali-maalich

hifimems-kmod's Issues

The driver is not loading in Raspberry pi3 A+

Dmesg:
"hifimems_soundcard: loading out-of-tree module taints kernel."
"snd-hifimems-soundcard soc:sound: ASoC: CODEC DAI hifimems-hifi not registered - will retry"
"snd-hifimems-soundcard soc:sound: snd_soc_register_card() failed: -517"

Is it supported on new raspberry platforms?

Make fails on Raspbian Buster (Linux 5.4.51+)

Hi there,

I actually have been digging a bit into this issue myself since I am working on a project using the same hardware configuration (Raspberry Pi Zero W with Adafruit MEMS microphone and 3W Speaker Bonnet). Basically, it seems that linux/sound/soc.h has introduced some breaking changes with the latest kernel version — here's my output after entering the make command in the readme:

$ make KERNEL_SRC=/lib/modules/$(uname -r)/build all
make -C /lib/modules/5.4.51+/build M=/home/pi/hifimems-kmod modules
make[1]: Entering directory '/usr/src/linux-headers-5.4.51+'  CC [M]  /home/pi/hifimems-kmod/hifimems-soundcard.o
/home/pi/hifimems-kmod/hifimems-soundcard.c:54:3: error: ‘struct snd_soc_dai_link’ has no member named ‘cpu_dai_name’; did you mean ‘stream_name’?
  .cpu_dai_name = "bcm2708-i2s.0",
   ^~~~~~~~~~~~
   stream_name
/home/pi/hifimems-kmod/hifimems-soundcard.c:54:18: error: initialization of ‘struct snd_soc_dai_link_component *’ from incompatible pointer type ‘char *’ [-Werror=incompatible-pointer-types]
  .cpu_dai_name = "bcm2708-i2s.0",
                  ^~~~~~~~~~~~~~~
/home/pi/hifimems-kmod/hifimems-soundcard.c:54:18: note: (near initialization for ‘snd_rpi_hifimems_soundcard_dai[0].cpus’)
/home/pi/hifimems-kmod/hifimems-soundcard.c:55:3: error: ‘struct snd_soc_dai_link’ has no member named ‘codec_dai_name’; did you mean ‘stream_name’?
  .codec_dai_name = "hifimems-hifi",
   ^~~~~~~~~~~~~~
   stream_name
/home/pi/hifimems-kmod/hifimems-soundcard.c:55:20: warning: initialization of ‘unsigned int’ from ‘char *’ makes integer from pointer without a cast [-Wint-conversion]
  .codec_dai_name = "hifimems-hifi",
                    ^~~~~~~~~~~~~~~
/home/pi/hifimems-kmod/hifimems-soundcard.c:55:20: note: (near initialization for ‘snd_rpi_hifimems_soundcard_dai[0].num_cpus’)
/home/pi/hifimems-kmod/hifimems-soundcard.c:56:3: error: ‘struct snd_soc_dai_link’ has no member named ‘platform_name’; did you mean ‘platforms’?
  .platform_name = "bcm2708-i2s.0",
   ^~~~~~~~~~~~~
   platforms
/home/pi/hifimems-kmod/hifimems-soundcard.c:56:19: error: initialization of ‘struct snd_soc_dai_link_component *’ from incompatible pointer type ‘char *’ [-Werror=incompatible-pointer-types]
  .platform_name = "bcm2708-i2s.0",
                   ^~~~~~~~~~~~~~~
/home/pi/hifimems-kmod/hifimems-soundcard.c:56:19: note: (near initialization for ‘snd_rpi_hifimems_soundcard_dai[0].codecs’)
/home/pi/hifimems-kmod/hifimems-soundcard.c:57:3: error: ‘struct snd_soc_dai_link’ has no member named ‘codec_name’; did you mean ‘stream_name’?
  .codec_name = "hifimems-codec",
   ^~~~~~~~~~
   stream_name
/home/pi/hifimems-kmod/hifimems-soundcard.c:57:16: warning: initialization of ‘unsigned int’ from ‘char *’ makes integer from pointer without a cast [-Wint-conversion]
  .codec_name = "hifimems-codec",
                ^~~~~~~~~~~~~~~~
/home/pi/hifimems-kmod/hifimems-soundcard.c:57:16: note: (near initialization for ‘snd_rpi_hifimems_soundcard_dai[0].num_codecs’)
/home/pi/hifimems-kmod/hifimems-soundcard.c: In function ‘snd_rpi_hifimems_soundcard_probe’:
/home/pi/hifimems-kmod/hifimems-soundcard.c:86:9: error: ‘struct snd_soc_dai_link’ has no member named ‘cpu_dai_name’; did you mean ‘stream_name’?
    dai->cpu_dai_name = NULL;
         ^~~~~~~~~~~~
         stream_name
/home/pi/hifimems-kmod/hifimems-soundcard.c:87:7: error: ‘struct snd_soc_dai_link’ has no member named ‘cpu_of_node’
    dai->cpu_of_node = i2s_node;
       ^~
/home/pi/hifimems-kmod/hifimems-soundcard.c:88:9: error: ‘struct snd_soc_dai_link’ has no member named ‘platform_name’; did you mean ‘platforms’?
    dai->platform_name = NULL;
         ^~~~~~~~~~~~~
         platforms
/home/pi/hifimems-kmod/hifimems-soundcard.c:89:9: error: ‘struct snd_soc_dai_link’ has no member named ‘platform_of_node’; did you mean ‘platforms’?
    dai->platform_of_node = i2s_node;
         ^~~~~~~~~~~~~~~~
         platforms
cc1: some warnings being treated as errors
make[2]: *** [scripts/Makefile.build:266: /home/pi/hifimems-kmod/hifimems-soundcard.o] Error 1
make[1]: *** [Makefile:1709: /home/pi/hifimems-kmod] Error 2
make[1]: Leaving directory '/usr/src/linux-headers-5.4.51+'
make: *** [Makefile:5: all] Error 2

I know it's been a while since you've updated this project, I just thought I would bring this to your attention while I attempt to see if I can update the soundcard code to fit with the new ALSA API. If you have any tips or advice it is welcome!

Make fails to find "modules" target

Steps to reproduce

Clone hifimems-kmod and follow instructions in README.md
Enter the command make KERNEL_SRC=/lib/modules/$(uname -r)/build all

Current behaviour (bug)

Make fails with the following output:

$ make KERNEL_SRC=/lib/modules/$(uname -r)/build all
make -C /lib/modules/5.4.64+/build M=/home/pi/hifimems-kmod modules
make[1]: Entering directory '/lib/modules/5.4.64+/build'
make[1]: *** No rule to make target 'modules'.  Stop.
make[1]: Leaving directory '/lib/modules/5.4.64+/build'
make: *** [Makefile:5: all] Error 2

Expected behaviour (correct)

Make compiles targets succesfully.

Other comment (optional)

Attempted on Raspbery Pi Zero W with Raspbian 5.4.64+

/label ~Bug

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