Some manufacturers use multiple sources of speakers. Motherboard GPIOs are set to indicate which type of speaker is fitted so that the correct tunings can be loaded. Patch #1 adds support for this and patch #2 adds a KUnit test for the new code.
Richard Fitzgerald (2): ALSA: hda: cs35l56: Add support for speaker id ALSA: hda: cirrus_scodec: Add KUnit test
MAINTAINERS | 1 + sound/pci/hda/Kconfig | 17 ++ sound/pci/hda/Makefile | 4 + sound/pci/hda/cirrus_scodec.c | 73 ++++++ sound/pci/hda/cirrus_scodec.h | 13 + sound/pci/hda/cirrus_scodec_test.c | 370 +++++++++++++++++++++++++++++ sound/pci/hda/cs35l56_hda.c | 24 +- 7 files changed, 501 insertions(+), 1 deletion(-) create mode 100644 sound/pci/hda/cirrus_scodec.c create mode 100644 sound/pci/hda/cirrus_scodec.h create mode 100644 sound/pci/hda/cirrus_scodec_test.c