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Signed-off-by: William Norman <nascs@radxa.com>
Add a sound card for the Radxa VMARC Q9075 IO board. The card exposes a single DisplayPort DAI link with a "DP0 Jack" widget so that audio can be routed over the on-board DisplayPort output. Also enable CONFIG_SND_SOC_SC8280XP so that the driver is built. Signed-off-by: William Norman <nascs@radxa.com>
Describe the DisplayPort audio DAI link on the Radxa VMARC Q9075 IO board: the CPU DAI is the ADSP DISPLAY_PORT_RX_0 bedai, the codec is the MDSS0 DisplayPort controller and the platform is the ADSP APM. The DP enablement overlay switches the codec over to MDSS1 when the board is configured for the DisplayPort output. Also document the new sndcard compatible. Signed-off-by: William Norman <nascs@radxa.com>
Document the board controller index used by VMARC audio firmware and the CH7218 fixed-EDID audio capability override. Signed-off-by: William Norman <nascs@radxa.com>
Keep the standard DPTX index local to each LPASS block and pass the MDSS controller through a separate VMARC parameter derived from the active codec node. Signed-off-by: William Norman <nascs@radxa.com>
Allow the VMARC CH7218 path to initialize DP audio even when the bridge fallback EDID omits its CTA audio data block. Signed-off-by: William Norman <nascs@radxa.com>
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