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Subject[RFC PATCH v2 0/3] Add support for Legion 7 16ACHg6 laptop
Date
Hi,

I would like to get some guidance about this solution to
support the 16ACHg6 laptop.

Hardware:
- The 16ACHg6 laptop has two CS35L41 amplifiers, connected
to Realtek ALC287 by an I2S bus and by and direct I2C to the CPU.
- The ALC287 codec is connected to the CPU by an HDA bus.
- The CS35L41 has a DSP which will require firmware to be loaded.

Architecture:
- To load the firmware for CS35L41, this solution will require
the wm_adsp library, which requires regmap, header definitions and
register tables.
- The HDA machine driver will find the registered ASoC by its
dai name.
- To minimize the duplication of the code, the HDA will call
snd_soc_dai_ops from the ASoC driver.

Notes:
- This is a work in progress, so the code is not functional, its
only intent is to demonstrate the overall solution

Changes from V1:

- Split into multiple patches, separating ACPI, ASoC and HDA patches
- Removed CS35L41 exported functions, moved code to snd_soc_dai_ops
- Patch realtek uses dai ops functions

Lucas Tanure (3):
sound: cs35l41: Allow HDA systems to use CS35l41 ASoC driver
ALSA: hda/realtek: Add support for Legion 7 16ACHg6 laptop Speakers
ACPI / scan: Create platform device for INT3515 ACPI nodes

drivers/acpi/scan.c | 1 +
drivers/platform/x86/i2c-multi-instantiate.c | 7 +
include/sound/cs35l41.h | 1 +
sound/pci/hda/patch_realtek.c | 109 ++++++++++++++-
sound/soc/codecs/cs35l41.c | 139 +++++++++++++++++--
sound/soc/codecs/cs35l41.h | 1 +
6 files changed, 249 insertions(+), 9 deletions(-)

--
2.33.1

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