linux-kernel - [PATCH v2 0/8] ASoC: cs42l42: Add Soundwire support

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Date:   Wed, 18 Jan 2023 16:04:44 +0000
From:   Stefan Binding <sbinding@...nsource.cirrus.com>
To:     Mark Brown <broonie@...nel.org>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
CC:     <alsa-devel@...a-project.org>, <linux-kernel@...r.kernel.org>,
        <patches@...nsource.cirrus.com>,
        Stefan Binding <sbinding@...nsource.cirrus.com>
Subject: [PATCH v2 0/8] ASoC: cs42l42: Add Soundwire support

The CS42L42 has a Soundwire interface for control and audio. This
chain of patches adds support for this.

Patches #1 .. #5 split out various changes to the existing code that
are needed for adding Soundwire. These are mostly around clocking and
supporting the separate probe and enumeration stages in Soundwire.

Patches #6 .. #8 actually adds the Soundwire handling.

Changes since v1:
- fixes for various review comments from v1
- add support for wakeup from clock stop using hardware interrupts
- use port_prep callback to prepare/deprepare codec

Richard Fitzgerald (6):
  ASoC: cs42l42: Add SOFT_RESET_REBOOT register
  ASoC: cs42l42: Ensure MCLKint is a multiple of the sample rate
  ASoC: cs42l42: Separate ASP config from PLL config
  ASoC: cs42l42: Export some functions for Soundwire
  ASoC: cs42l42: Add Soundwire support
  ASoC: cs42l42: Don't set idle_bias_on

Stefan Binding (2):
  soundwire: stream: Add specific prep/deprep commands to port_prep
    callback
  ASoC: cs42l42: Wait for debounce interval after resume

 drivers/soundwire/stream.c     |   4 +-
 include/linux/soundwire/sdw.h  |   8 +-
 include/sound/cs42l42.h        |   5 +
 sound/soc/codecs/Kconfig       |   8 +
 sound/soc/codecs/Makefile      |   2 +
 sound/soc/codecs/cs42l42-sdw.c | 603 +++++++++++++++++++++++++++++++++
 sound/soc/codecs/cs42l42.c     | 127 ++++---
 sound/soc/codecs/cs42l42.h     |   9 +-
 8 files changed, 716 insertions(+), 50 deletions(-)
 create mode 100644 sound/soc/codecs/cs42l42-sdw.c

-- 
2.34.1