From 8ac6c7a54ed1b98d142dce24b11c6de6a1e239a5 Mon Sep 17 00:00:00 2001 From: hc <hc@nodka.com> Date: Tue, 22 Oct 2024 10:36:11 +0000 Subject: [PATCH] 修改4g拨号为QMI,需要在系统里后台执行quectel-CM --- kernel/Documentation/sound/soc/dai.rst | 8 ++++---- 1 files changed, 4 insertions(+), 4 deletions(-) diff --git a/kernel/Documentation/sound/soc/dai.rst b/kernel/Documentation/sound/soc/dai.rst index 55820e5..009b07e 100644 --- a/kernel/Documentation/sound/soc/dai.rst +++ b/kernel/Documentation/sound/soc/dai.rst @@ -17,14 +17,14 @@ frame is 21uS long and is divided into 13 time slots. The AC97 specification can be found at : -http://www.intel.com/p/en_US/business/design +https://www.intel.com/p/en_US/business/design I2S === I2S is a common 4 wire DAI used in HiFi, STB and portable devices. The Tx and -Rx lines are used for audio transmission, whilst the bit clock (BCLK) and +Rx lines are used for audio transmission, while the bit clock (BCLK) and left/right clock (LRC) synchronise the link. I2S is flexible in that either the controller or CODEC can drive (master) the BCLK and LRC clock lines. Bit clock usually varies depending on the sample rate and the master system clock @@ -49,9 +49,9 @@ PCM is another 4 wire interface, very similar to I2S, which can support a more flexible protocol. It has bit clock (BCLK) and sync (SYNC) lines that are used -to synchronise the link whilst the Tx and Rx lines are used to transmit and +to synchronise the link while the Tx and Rx lines are used to transmit and receive the audio data. Bit clock usually varies depending on sample rate -whilst sync runs at the sample rate. PCM also supports Time Division +while sync runs at the sample rate. PCM also supports Time Division Multiplexing (TDM) in that several devices can use the bus simultaneously (this is sometimes referred to as network mode). -- Gitblit v1.6.2