[PATCH v4 0/2] Add support for AK5558 ADC

[Daniel Baluta]

We support normal mode, TDM mode and pm.

Changes since v3: [addressed Mark's comments]
* use C++ comments for SPDX identifier
* removed some unused widgets and controls  (channel enable MUXes, TDM, DSD related stuff)
* removed set_dai_mute, set_bias_level, set_dai_sysclk as they are not used.
* refactored probe/remove to have symmetric operations
* use snd_soc_update_bits instead of hardcode read/write operation.

Changes since v2: [addressed comments from Andy, Fabio and Rob]
* sort include files
* use probe_new
* reword the binding document
* use adc@10 instead of ak5558@10
* remove file name at the beginning of codec source code.
* make i2c_probe and i2c_remove parameters naming consistent.

Changes since v1: [addressed comments from Andy and Fabio]
 * fix GPIO polarity from active high to active low for correct documentation
 * fix license header by using SPDX identifier
 * remove debug prints at the beginning of functions.
 * only support auto clock switching (manual switching was dead code anyway) (in the
   future we could add a DT property to choose between manual and auto)
 * Use gpiod API
 * use GENMASK
 * introduce power_off/power_on


Daniel Baluta (2):
  ASoC: codecs: Add support for AK5558 ADC driver
  ASoC: ak5558: Add bindings for AK5558 ADC

 Documentation/devicetree/bindings/sound/ak5558.txt |  22 ++
 sound/soc/codecs/Kconfig                           |   6 +
 sound/soc/codecs/Makefile                          |   2 +
 sound/soc/codecs/ak5558.c                          | 417 +++++++++++++++++++++
 sound/soc/codecs/ak5558.h                          |  52 +++
 5 files changed, 499 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/ak5558.txt
 create mode 100644 sound/soc/codecs/ak5558.c
 create mode 100644 sound/soc/codecs/ak5558.h

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2.7.4