Thread (31 messages) 31 messages, 7 authors, 2014-11-27

Re: [PATCH 0/9] ASoC: QCOM: Add support for ipq806x SOC

From: Kumar Gala <hidden>
Date: 2014-11-19 20:16:10
Also in: alsa-devel, linux-arm-msm

On Nov 19, 2014, at 12:52 PM, Kenneth Westfield [off-list ref] wrote:
From: Kenneth Westfield <redacted>

This set of patches adds support for audio on the Qualcomm Technologies
ipq806x SOC.

The ipq806x SOC has audio-related hardware blocks in its low-power audio
subsystem (or LPASS).  One of the relevant blocks in the LPASS is its
low-power audio interface (or LPAIF).  This encapsulates the MI2S port,
which is what these drivers are configured to use.  The I2S pins are
connected to an external DAC/amp chip.  In addition, a single GPIO is
connected to the same DAC/amp, which gives the SOC enable/disable
control.

The specific drivers added are:
- a machine driver that handles the board-specific pins
- a native driver that handles hardware access to the LPAIF
- a CPU DAI driver for controlling the LPAIF block
- a PCM MI2S platform driver

Corresponding additions to the device tree for the ipq806x and its
documentation has also been added.  Also, as this is a new directory,
the MAINTAINERS file has been updated as well.

- Ken
Some general comments, you shouldn’t have gerrit Change-Id’s in commit messages, the Kconfig/Makefile changes should be part of the patch that adds the code associated with them.

- k

-- 
Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project
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