[PATCH v3 0/3] Add the Renesas IDT821034 codec support

[Herve Codina]

Hi,

The Renesas IDT821034 codec is four channel PCM codec with on-chip
filters and programmable gain setting.
It also provides SLIC (Subscriber Line Interface Circuit) signals as
GPIOs.

Based on previous iteration,
  https://lore.kernel.org/linux-kernel/20230120095036.514639-1-herve.codina@bootlin.com/
this v3 series mainly:
  - Fixes _put() methods
  - Introduces and uses idt821034_2x8bit_write()
  - Removes the '#if IS_ENABLED(CONFIG_GPIOLIB)' conditional

Best regards,
Herve Codina

Changes v2 -> v3:
  - Patch 1
    Fix the example node name.
    Add 'Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski at linaro.org>'

  - Patch 2
    Fix _put() methods return code.
    Remove 'select REGMAP_SPI' from Kconfig
    Introduce and use idt821034_2x8bit_write()
    Remove the '#if IS_ENABLED(CONFIG_GPIOLIB)' conditional
    Fix comments and other minor code simplifications

Changes v1 -> v2:
  - All patches
    Reformat commit log

  - Patch 1
    Remove '$ref: /schemas/gpio/gpio.yaml#'
    Use 'unevaluatedProperties: false'
    Update the node name and remove the sound node in the example

  - Patch 2
    Change the file header comment format
    Rework in order to remove the regmap virtual registers

Herve Codina (3):
  dt-bindings: sound: Add Renesas IDT821034 codec
  ASoC: codecs: Add support for the Renesas IDT821034 codec
  MAINTAINERS: add the Renesas IDT821034 codec entry

 .../bindings/sound/renesas,idt821034.yaml     |   75 ++
 MAINTAINERS                                   |    7 +
 sound/soc/codecs/Kconfig                      |   11 +
 sound/soc/codecs/Makefile                     |    2 +
 sound/soc/codecs/idt821034.c                  | 1180 +++++++++++++++++
 5 files changed, 1275 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/renesas,idt821034.yaml
 create mode 100644 sound/soc/codecs/idt821034.c

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2.39.0