On some platforms, sound card registration fails when a HDMI monitor is not connected. This is caused by a recent commit that switched the order in which the HDA controller and the i915 are initialized. Initializing the i915 before initializing the HDA controller fixes the problem.

Fixes: be1b577d01787c ("ASoC: SOF: Intel: hda: fix the hda init chip") Signed-off-by: Ranjani Sridharan ranjani.sridharan@linux.intel.com --- sound/soc/sof/intel/hda.c | 20 +++++++++++++------- 1 file changed, 13 insertions(+), 7 deletions(-)

diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c index 136f98bf5d7e..82f61c4e74bd 100644 --- a/sound/soc/sof/intel/hda.c +++ b/sound/soc/sof/intel/hda.c @@ -321,10 +321,23 @@ static int hda_init_caps(struct snd_sof_dev *sdev) if (bus->ppcap) dev_dbg(sdev->dev, "PP capability, will probe DSP later.\n");

+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) + /* init i915 and HDMI codecs */ + ret = hda_codec_i915_init(sdev); + if (ret < 0) { + dev_err(sdev->dev, "error: init i915 and HDMI codec failed\n"); + return ret; + } +#endif + + /* Init HDA controller after i915 init */ ret = hda_dsp_ctrl_init_chip(sdev, true); if (ret < 0) { dev_err(bus->dev, "error: init chip failed with ret: %d\n", ret); +#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA) + hda_codec_i915_exit(sdev); +#endif return ret; }

@@ -332,13 +345,6 @@ static int hda_init_caps(struct snd_sof_dev *sdev) if (bus->mlcap) snd_hdac_ext_bus_get_ml_capabilities(bus);

- /* init i915 and HDMI codecs */ - ret = hda_codec_i915_init(sdev); - if (ret < 0) { - dev_err(sdev->dev, "error: no HDMI audio devices found\n"); - return ret; - } - /* codec detection */ if (!bus->codec_mask) { dev_info(bus->dev, "no hda codecs found!\n");