[PATCH 5/5] ASoC: SOF: Intel: hda-bus: Use PIO mode for Lunar Lake

[Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>]

It is recommended that on Lunar Lake the PIO (immediate command response)
is used instead of CORB/RIRB for commands/verbs.

Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Bard Liao <yung-chuan.liao@xxxxxxxxxxxxxxx>
Reviewed-by: Liam Girdwood <liam.r.girdwood@xxxxxxxxx>
---
 sound/soc/sof/intel/hda-bus.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/sound/soc/sof/intel/hda-bus.c b/sound/soc/sof/intel/hda-bus.c
index fc63085d2d74..f78d6b998be0 100644
--- a/sound/soc/sof/intel/hda-bus.c
+++ b/sound/soc/sof/intel/hda-bus.c
@@ -72,7 +72,12 @@ void sof_hda_bus_init(struct snd_sof_dev *sdev, struct device *dev)
 
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_LINK)
 #if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA_AUDIO_CODEC)
+	const struct sof_intel_dsp_desc *chip = get_chip_info(sdev->pdata);
+
 	snd_hdac_ext_bus_init(bus, dev, &bus_core_ops, sof_hda_ext_ops);
+
+	if (chip && chip->hw_ip_version == SOF_INTEL_ACE_2_0)
+		bus->use_pio_for_commands = true;
 #else
 	snd_hdac_ext_bus_init(bus, dev, NULL, NULL);
 #endif
-- 
2.44.0