linux-kernel - [PATCH 0/4] regmap: add SoundWire 1.2 MBQ support

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Message-Id: <20200825171656.75836-1-pierre-louis.bossart@linux.intel.com>
Date:   Tue, 25 Aug 2020 12:16:52 -0500
From:   Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
To:     alsa-devel@...a-project.org
Cc:     linux-kernel@...r.kernel.org, tiwai@...e.de, broonie@...nel.org,
        vkoul@...nel.org, gregkh@...uxfoundation.org, jank@...ence.com,
        srinivas.kandagatla@...aro.org, slawomir.blauciak@...el.com,
        Bard liao <yung-chuan.liao@...ux.intel.com>,
        Rander Wang <rander.wang@...ux.intel.com>,
        Ranjani Sridharan <ranjani.sridharan@...ux.intel.com>,
        Hui Wang <hui.wang@...onical.com>,
        Pierre-Louis Bossart <pierre-louis.bossart@...ux.intel.com>
Subject: [PATCH 0/4] regmap: add SoundWire 1.2 MBQ support

In preparation of the upstream contribution of SDCA (SoundWire Device
Class for Audio) ASoC codec drivers [1] [2], add regmap support
SoundWire 1.2 MBQ support. The MBQ (Multi-Byte Quantity) registers
need to be handled in a different way from regular 8-bit SoundWire
registers, their main application is going to be for volume/gain
controls.

The 3rd patch was initially suggested for inclusion in the SoundWire
tree, and was modified to add more background information in the
commit message as requested by Vinod Koul.

Pierre-Louis Bossart (4):
  regmap: sdw: move to -EOPNOTSUPP
  regmap: sdw: add required header files
  soundwire: SDCA: add helper macro to access controls
  regmap: sdw: add support for SoundWire 1.2 MBQ

 drivers/base/regmap/Kconfig             |   6 +-
 drivers/base/regmap/Makefile            |   1 +
 drivers/base/regmap/regmap-sdw-mbq.c    | 102 ++++++++++++++++++++++++
 drivers/base/regmap/regmap-sdw.c        |   8 +-
 include/linux/regmap.h                  |  20 +++++
 include/linux/soundwire/sdw_registers.h |  13 +++
 6 files changed, 146 insertions(+), 4 deletions(-)
 create mode 100644 drivers/base/regmap/regmap-sdw-mbq.c


base-commit: 9123e3a74ec7b934a4a099e98af6a61c2f80bbf5
-- 
2.25.1