[U-Boot] [PATCH v2 22/34] sound: Add support for Intel HDA

[Bin Meng]

On Sun, Feb 17, 2019 at 11:26 AM Simon Glass <sjg at chromium.org> wrote:
>
> The Intel High-definition Audio is a newer-generation audio system which
> provides for transfer of a large number of audio stream, each containing
> up to 16 channels.
>
> Add support for HDA as a library which can be used by other drivers.
> U-Boot currently uses only two channels (stereo).
>
> Signed-off-by: Simon Glass <sjg at chromium.org>
> ---
>
> Changes in v2:
> - Add a link to the HD audio PDF fie
> - Update in codec_init() to use defines for codec access
> - Use a more generic "intel,hd-audio" as the compatible string
> - Use defines for all azalia verbs in binding file
>
>  doc/device-tree-bindings/sound/intel-hda.txt |  25 +
>  drivers/sound/Kconfig                        |   9 +
>  drivers/sound/Makefile                       |   1 +
>  drivers/sound/hda_codec.c                    | 556 +++++++++++++++++++
>  include/dt-bindings/sound/azalia.h           |  44 ++
>  include/hda_codec.h                          | 103 ++++
>  6 files changed, 738 insertions(+)
>  create mode 100644 doc/device-tree-bindings/sound/intel-hda.txt
>  create mode 100644 drivers/sound/hda_codec.c
>  create mode 100644 include/dt-bindings/sound/azalia.h
>  create mode 100644 include/hda_codec.h
>

Reviewed-by: Bin Meng <bmeng.cn at gmail.com>