Difference between revisions of "ALSA Installation"
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==Compilation== | ==Compilation== | ||
* On your Host select ALSA compilation in Linux configuration: | * On your Host select ALSA compilation in Linux configuration: | ||
| − | + | <pre class="host"> | |
| − | + | $ make linux-menuconfig | |
| − | + | </pre> | |
| − | + | ||
| − | + | <pre class="config"> | |
| + | Device Drivers ---> | ||
| + | <M> Sound card support ---> | ||
| + | <M> Advanced Linux Sound Architecture---> | ||
| + | [*] ARM sound devices ---> | ||
| + | <M> i.MX1/L TSC2102 alsa driver | ||
| + | </pre> | ||
| + | <pre class="config"> | ||
<M> Advanced Linux Sound Architecture | <M> Advanced Linux Sound Architecture | ||
< > Sequencer support (NEW) | < > Sequencer support (NEW) | ||
| Line 23: | Line 30: | ||
[ ] USB sound devices ---> | [ ] USB sound devices ---> | ||
< > ALSA for SoC audio support ---> | < > ALSA for SoC audio support ---> | ||
| + | </pre> | ||
* in Buildroot configuration, select the user space packages for ALSA: | * in Buildroot configuration, select the user space packages for ALSA: | ||
| − | + | <pre class="host"> | |
| + | $ make menuconfig | ||
| + | </pre> | ||
| + | <pre class="config"> | ||
Package Selection for the target-> Audio libraries: | Package Selection for the target-> Audio libraries: | ||
| Line 58: | Line 69: | ||
[ ] aseqnet | [ ] aseqnet | ||
[*] speaker-test | [*] speaker-test | ||
| − | + | </pre> | |
* save your configuration and rebuild your rootfs: | * save your configuration and rebuild your rootfs: | ||
| − | + | <pre class="host"> | |
| − | + | $ make | |
| + | </pre> | ||
* reflash your rootfs and your Linux kernel. [[Linux_drivers_generalities|Go here if you need more infos on how to install Linux drivers.]] | * reflash your rootfs and your Linux kernel. [[Linux_drivers_generalities|Go here if you need more infos on how to install Linux drivers.]] | ||
| Line 67: | Line 79: | ||
'''Automatically done by Buildroot / mdev, so only here as reference.'''<br> | '''Automatically done by Buildroot / mdev, so only here as reference.'''<br> | ||
In ''/dev/snd/'' you should have: | In ''/dev/snd/'' you should have: | ||
| + | <pre class="apf"> | ||
mknod controlC0 c 116 0 | mknod controlC0 c 116 0 | ||
mknod pcmC0D0c c 116 24 | mknod pcmC0D0c c 116 24 | ||
mknod pcmC0D0p c 116 16 | mknod pcmC0D0p c 116 16 | ||
| + | </pre> | ||
==Links== | ==Links== | ||
* [http://www.busybox.net/lists/buildroot/2008-February/007061.html Buildroot bug (aplay: set_params:1012: unable to install sw params:)] | * [http://www.busybox.net/lists/buildroot/2008-February/007061.html Buildroot bug (aplay: set_params:1012: unable to install sw params:)] | ||
Latest revision as of 17:06, 4 September 2013
Compilation
- On your Host select ALSA compilation in Linux configuration:
$ make linux-menuconfig
Device Drivers --->
<M> Sound card support --->
<M> Advanced Linux Sound Architecture--->
[*] ARM sound devices --->
<M> i.MX1/L TSC2102 alsa driver
<M> Advanced Linux Sound Architecture < > Sequencer support (NEW) <M> OSS Mixer API <M> OSS PCM (digital audio) API [*] OSS PCM (digital audio) API - Include plugin system (NEW) [ ] Dynamic device file minor numbers (NEW) [*] Support old ALSA API (NEW) [ ] Verbose procfs contents (NEW) [ ] Verbose printk [ ] Debug [ ] Debug [ ] Generic sound devices ---> [*] ARM sound devices ---> [ ] SPI sound devices ---> [ ] USB sound devices ---> < > ALSA for SoC audio support --->
- in Buildroot configuration, select the user space packages for ALSA:
$ make menuconfig
Package Selection for the target-> Audio libraries:
--- Audio libraries and applications
[*] alsa-lib
[*] alsa-utils
ALSA utils selection --->
[ ] asterisk
[*] aumix
[ ] libmad
--- libid3tag
--- libmad
[ ] libmad headers in target
[ ] libsndfile
--- libvorbis requires the package libogg to build
[*] madplay
[ ] mpg123
in ALSA utils selection --->
[*] alsaconf
[*] alsactl
[*] alsamixer
[ ] amidi
[*] amixer
[*] aplay
[ ] arecord
[ ] iecset
[ ] aconnect
[ ] aplaymidi
[ ] arecordmidi
[ ] aseqdump
[ ] aseqnet
[*] speaker-test
- save your configuration and rebuild your rootfs:
$ make
- reflash your rootfs and your Linux kernel. Go here if you need more infos on how to install Linux drivers.
nodes creation
Automatically done by Buildroot / mdev, so only here as reference.
In /dev/snd/ you should have:
mknod controlC0 c 116 0 mknod pcmC0D0c c 116 24 mknod pcmC0D0p c 116 16
