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| author | Duncan Laurie <dlaurie@google.com> | 2020-05-10 11:24:13 -0700 |
|---|---|---|
| committer | Duncan Laurie <dlaurie@chromium.org> | 2020-06-02 18:07:11 +0000 |
| commit | 43462782dca3f0dea2ed0b8a75b1b09b437a4fc4 (patch) | |
| tree | bb83af37cb0a8c0c6b938007e8045052a6fe29fe /Documentation/contributing | |
| parent | 9db8c2585ae3b14631edf170a5394440d1bceed3 (diff) | |
mb/google/volteer: Add firmware configuration probing for audio
For all of the audio devices in devicetree.cb add the probe matches
that will determine if the device should be enabled or not based on
the selected audio daughter board type.
AUDIO=MAX98357_ALC5682I_I2S: enable max98357 and alc5628, disable others
AUDIO=MAX98373_ALC5682I_I2S: enable max98373 and alc5682, disable others
AUDIO=MAX98373_ALC5682_SNDW: enable soundwire devices, disable others
BUG=b:147462631
TEST=test different device present in ACPI based on fw_config value:
> AUDIO=NONE
ectool cbi set 6 0x00000000 4 2
> AUDIO=MAX98357_ALC5682I_I2S
ectool cbi set 6 0x00000100 4 2
> AUDIO=MAX98373_ALC5682I_I2S
ectool cbi set 6 0x00000200 4 2
> AUDIO=MAX98373_ALC5682_SNDW
ectool cbi set 6 0x00000300 4 2
Change-Id: I5492e8cddcff3ba01023b0daef02be3508d347b0
Signed-off-by: Duncan Laurie <dlaurie@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41216
Reviewed-by: Furquan Shaikh <furquan@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'Documentation/contributing')
0 files changed, 0 insertions, 0 deletions