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authorTobias Jahnke <tobias.jahnke@microchip.com>2018-12-17 16:51:56 +0100
committerTobias Jahnke <tobias.jahnke@microchip.com>2018-12-17 16:51:56 +0100
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tree6a4f9dfd669c8e1541d01581c0eb2409091fbc83 /MOST_UNICENS/README.md
parent6c067df867da74cab78c987aa9299290f08c280a (diff)
4a-hal-unicens: prepare import of plugin
Bug-AGL: SPEC-1505 - remove all files from legacy hal binding Change-Id: I69e6d170cfa6a16d116f63263a1a5f75e2098d5b Signed-off-by: Tobias Jahnke <tobias.jahnke@microchip.com>
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-
-# 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