From 0b58b50fbdaca917125d98e567ecfec954dd7983 Mon Sep 17 00:00:00 2001 From: annie_wangli Date: Sun, 10 Apr 2022 12:32:52 +0800 Subject: [PATCH] update docs Signed-off-by: annie_wangli --- en/device-dev/driver/driver-peripherals-audio-des.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/en/device-dev/driver/driver-peripherals-audio-des.md b/en/device-dev/driver/driver-peripherals-audio-des.md index 4c92428a1f..6f66786fe6 100644 --- a/en/device-dev/driver/driver-peripherals-audio-des.md +++ b/en/device-dev/driver/driver-peripherals-audio-des.md @@ -1246,6 +1246,11 @@ vendor/hisilicon/hispark_taurus/ ## HAL-based Development Procedure and Example +The Hardware Abstraction Layer (HAL) provides the following functions: + +1. Provides audio HDIs for audio services to implement basic audio features on applications. +2. Provides standard interfaces for device developers to comply with the HDI adapter standards. This promises a healthy evolution of the ecosystem. + Code path: **drivers/peripheral/audio/hal** ### Development procedure -- GitLab