From 36a71a0eb7cdb5ccf4b0214dbd41ab00dff18c7f Mon Sep 17 00:00:00 2001 From: Pierre-Louis Bossart Date: Thu, 19 Jan 2023 18:34:58 +0200 Subject: [PATCH] ASoC: Intel: sof_nau8825: always set dpcm_capture for amplifiers MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit The amplifier may provide hardware support for I/V feedback, or alternatively the firmware may generate an echo reference attached to the SSP and dailink used for the amplifier. To avoid any issues with invalid/NULL substreams in the latter case, always unconditionally set dpcm_capture. Link: https://github.com/thesofproject/linux/issues/4083 Signed-off-by: Pierre-Louis Bossart Reviewed-by: Ranjani Sridharan Reviewed-by: Péter Ujfalusi Reviewed-by: Bard Liao Signed-off-by: Kai Vehmanen Link: https://lore.kernel.org/r/20230119163459.2235843-4-kai.vehmanen@linux.intel.com Signed-off-by: Mark Brown --- sound/soc/intel/boards/sof_nau8825.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) diff --git a/sound/soc/intel/boards/sof_nau8825.c b/sound/soc/intel/boards/sof_nau8825.c index a800854..6794a02 100644 --- a/sound/soc/intel/boards/sof_nau8825.c +++ b/sound/soc/intel/boards/sof_nau8825.c @@ -487,8 +487,6 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev, links[id].num_codecs = ARRAY_SIZE(max_98373_components); links[id].init = max_98373_spk_codec_init; links[id].ops = &max_98373_ops; - /* feedback stream */ - links[id].dpcm_capture = 1; } else if (sof_nau8825_quirk & SOF_MAX98360A_SPEAKER_AMP_PRESENT) { max_98360a_dai_link(&links[id]); @@ -506,6 +504,9 @@ static struct snd_soc_dai_link *sof_card_dai_links_create(struct device *dev, links[id].platforms = platform_component; links[id].num_platforms = ARRAY_SIZE(platform_component); links[id].dpcm_playback = 1; + /* feedback stream or firmware-generated echo reference */ + links[id].dpcm_capture = 1; + links[id].no_pcm = 1; links[id].cpus = &cpus[id]; links[id].num_cpus = 1; -- 2.7.4