[PATCH v6 0/2] Add documentation and machine driver for SC7180 sound card

[Cheng-Yi Chiang]

Note:
- The machine driver patch is made by the collaboration of
  Cheng-Yi Chiang <cychiang@xxxxxxxxxxxx>
  Rohit kumar <rohitkr@xxxxxxxxxxxxxx>
  Ajit Pandey <ajitp@xxxxxxxxxxxxxx>
  But Ajit has left codeaurora.

Changes from v1 to v2:
- Ducumentation: Addressed all suggestions from Doug.
- Machine driver:
  - Fix comment style for license.
  - Sort includes.
  - Remove sc7180_snd_hw_params.
  - Remove sc7180_dai_init and use aux device instead for headset jack registration.
  - Statically define format for Primary MI2S.
  - Atomic is not a concern because there is mutex in card to make sure
    startup and shutdown happen sequentially.
  - Fix missing return -EINVAL in startup.
  - Use static sound card.
  - Use devm_kzalloc to avoid kfree.

Changes from v2 to v3:
- Ducumentation: Addressed suggestions from Srini.
- Machine driver:
  - Reuse qcom_snd_parse_of to parse properties.
  - Remove playback-only and capture-only.
  - Misc fixes to address comments.

Changes from v3 to v4:
- Ducumentation: Addressed suggestions from Rob.
 - Remove definition of dai.
 - Use 'sound-dai: true' for sound-dai schema.
 - Add reg property to pass 'make dt_binding_check' check although reg is not used in the driver.
- Machine driver:
 - Add Reviewed-by: Tzung-Bi Shih <tzungbi@xxxxxxxxxx>

Changes from v4 to v5:
- Documentation: Addressed suggestions from Rob.
 - Add definition for "#address-cells" and "#size-cells".
 - Add additionalProperties: false
 - Add required properties.

Changes from v5 to v6:
- Documentation: Addressed suggestions from Rob.
 - Drop contains in compatible strings.
 - Only allow dai-link@[0-9]
 - Remove reg ref since it has a type definition already.
Ajit Pandey (1):
  ASoC: qcom: sc7180: Add machine driver for sound card registration

Cheng-Yi Chiang (1):
  ASoC: qcom: dt-bindings: Add sc7180 machine bindings

 .../bindings/sound/qcom,sc7180.yaml           | 124 +++++++++
 sound/soc/qcom/Kconfig                        |  12 +
 sound/soc/qcom/Makefile                       |   2 +
 sound/soc/qcom/sc7180.c                       | 244 ++++++++++++++++++
 4 files changed, 382 insertions(+)
 create mode 100644 Documentation/devicetree/bindings/sound/qcom,sc7180.yaml
 create mode 100644 sound/soc/qcom/sc7180.c

-- 
2.28.0.297.g1956fa8f8d-goog