linux-kernel - [PATCH V3 0/4] tas571x amplifier driver

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Date:	Sun,  3 May 2015 17:00:15 -0700
From:	Kevin Cernekee <cernekee@...omium.org>
To:	lgirdwood@...il.com, broonie@...nel.org
Cc:	lars@...afoo.de, dgreid@...omium.org, abrestic@...omium.org,
	olofj@...omium.org, alsa-devel@...a-project.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH V3 0/4] tas571x amplifier driver

V2->V3:

Revert earlier changes to the regcache APIs.

Change regcache_sync() so that regcache_mark_dirty() is used to indicate
that the HW was reset.  This allows tas571x (which does NOT call
regcache_mark_dirty()) to use regcache_sync() to write back any register
changes that occurred while in cache_only (tas571x pdn) mode.

One assumption here is that regcache_sync() will be called once on
resume, before any other writes.  If it fails, the no_sync_defaults flag
will be cleared and the next sync attempt, if any, will try to write
out all contents of the cache.


Kevin Cernekee (4):
  regmap: Use regcache_mark_dirty() to indicate power loss or reset
  ASoC: tas571x: Add DT binding document
  ASoC: tas571x: New driver for TI TAS571x power amplifiers
  MAINTAINERS: Add entry for tas571x ASoC codec driver

 .../devicetree/bindings/sound/tas571x.txt          |  41 ++
 MAINTAINERS                                        |   6 +
 drivers/base/regmap/internal.h                     |   3 +
 drivers/base/regmap/regcache.c                     |  61 ++-
 sound/soc/codecs/Kconfig                           |   5 +
 sound/soc/codecs/Makefile                          |   2 +
 sound/soc/codecs/tas571x.c                         | 520 +++++++++++++++++++++
 sound/soc/codecs/tas571x.h                         |  33 ++
 8 files changed, 651 insertions(+), 20 deletions(-)
 create mode 100644 Documentation/devicetree/bindings/sound/tas571x.txt
 create mode 100644 sound/soc/codecs/tas571x.c
 create mode 100644 sound/soc/codecs/tas571x.h

-- 
2.2.0.rc0.207.ga3a616c

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