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| author |   Fulup Ar Foll <fulup@iot.bzh> | 2017-10-24 23:33:43 +0200 |
|---|---|---|
| committer | Fulup Ar Foll <fulup@iot.bzh> | 2017-10-24 23:33:43 +0200 |
| commit | 4a17d7b114987d6f014e5041b122f9667057ca7f (patch) | |
| tree | 598e2b0c04f98ce50583bdc6bbf1ff6d80c72adb /HAL-afb/HAL_MOST_UNICENS/README.md | |
| parent | 2fd0fa8c77dbaaf40ba0812e43b6637ff1d1d76e (diff) | |
Extracted from Global afb-audio repo
Diffstat (limited to 'HAL-afb/HAL_MOST_UNICENS/README.md')
| -rw-r--r-- | HAL-afb/HAL_MOST_UNICENS/README.md | 51 |
1 files changed, 0 insertions, 51 deletions
diff --git a/HAL-afb/HAL_MOST_UNICENS/README.md b/HAL-afb/HAL_MOST_UNICENS/README.md deleted file mode 100644 index 4ce4261..0000000 --- a/HAL-afb/HAL_MOST_UNICENS/README.md +++ /dev/null @@ -1,51 +0,0 @@ - -# HAL for MOST Sound Card - -## Introduction -This Hardware Abstraction Layer (HAL) is intended to control MOST audio via -standard ALSA mixer controls. Therefore the HAL add's controls to the MOST sound -card. Modification of the mixer controls is mapped to control commands which are -send to MOST nodes. - -The HAL requires to access the UNICENS V2 binding which is setting up the MOST -network and the MOST node. - -Please check the following required components: -* MOST Linux Driver -* User must be member of "audio" group -* UNICENS V2 binding -* [K2L MOST150 Audio 5.1 Kit](https://www.k2l.de/products/74/MOST150%20Audio%205.1%20Kit/) - -## Possible Modifications -Check if you need to adapt the default path for UNICENS configuration, e.g. -``` -#define XML_CONFIG_PATH "/opt/AGL/unicens2-binding/config_multichannel_audio_kit.xml" -``` - -Check if you need to adapt the name of the MOST sound card. -``` -#define ALSA_CARD_NAME "Microchip MOST:1" -``` - -You can check your MOST sound card name by calling ```aplay -l```, e.g. -``` -aplay -l -**** List of PLAYBACK Hardware Devices **** -card 0: PCH [HDA Intel PCH], device 0: 92HD90BXX Analog [92HD90BXX Analog] - Subdevices: 1/1 - Subdevice #0: subdevice #0 -card 1: ep016ch [Microchip MOST:1], device 0: ep01-6ch [] - Subdevices: 1/1 - Subdevice #0: subdevice #0 -card 2: ep022ch [Microchip MOST:2], device 0: ep02-2ch [] - Subdevices: 1/1 - Subdevice #0: subdevice #0 - -``` -Choose the first sound card with 6 channels, e.g. if you see ```ep01-6ch``` just -take ```Microchip MOST:1```. - -If you get messed up with card enumeration the following action may help: -- Unplug your MOST USB hardware from target -- Call ```sudo rm /var/lib/alsa/asound.state``` -- Connect MOST USB hardware after reboot or restart of ALSA |