From 05cf17f1bf6d3ffda9a5cba5a2f6175dd155014a Mon Sep 17 00:00:00 2001 From: Peter Ujfalusi Date: Tue, 9 Apr 2024 11:38:12 +0300 Subject: [PATCH] ASoC: SOF: Intel: hda-bus: Use PIO mode for Lunar Lake 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 Reviewed-by: Pierre-Louis Bossart Reviewed-by: Bard Liao Reviewed-by: Liam Girdwood Acked-by: Mark Brown Signed-off-by: Takashi Iwai Message-ID: <20240409083812.14001-6-peter.ujfalusi@linux.intel.com> --- 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