Merge series "ASoC: rt9120: Add Richtek RT9120 supprot" from cy_huang <u0084500@gmail.com>

ChiYuan Huang <cy_huang@richtek.com>:

From: ChiYuan Huang <cy_huang@richtek.com>

This patch series Add the Richtek RT9120 support.

In v3:
- Add dvdd regulator binding to check the dvdd voltage domain.
- Refine sdo_select_text.
- Use switch case in 'internal_power_event' function.
- Remove the volume and mute initially write in component probe.
- Remove the mute API. It's no need by HW design.

In v2:
- Add missing #sound-dai-cells property.

ChiYuan Huang (2):
  ASoC: dt-bindings: rt9120: Add initial bindings
  ASoC: rt9120: Add rt9210 audio amplifier support

 .../devicetree/bindings/sound/richtek,rt9120.yaml  |  59 +++
 sound/soc/codecs/Kconfig                           |  10 +
 sound/soc/codecs/Makefile                          |   2 +
 sound/soc/codecs/rt9120.c                          | 489 +++++++++++++++++++++
 4 files changed, 560 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/richtek,rt9120.yaml
 create mode 100644 sound/soc/codecs/rt9120.c

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2.7.4