Commit 05cf17f1 authored by Peter Ujfalusi's avatar Peter Ujfalusi Committed by Takashi Iwai
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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: default avatarPeter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: default avatarPierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: default avatarBard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: default avatarLiam Girdwood <liam.r.girdwood@intel.com>
Acked-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Message-ID: <20240409083812.14001-6-peter.ujfalusi@linux.intel.com>
parent f20bee38

sound/soc/sof/intel/hda-bus.c

+5 −0
Original line number Diff line number Diff line
@@ -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