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ALSA: hda: add dev_dbg log when driver is not selected 

On SKL+ Intel platforms, the driver selection is handled by the
snd_intel_dspcfg, and when the HDaudio legacy driver is not selected,
be it with the auto-selection or user preferences with a kernel
parameter, the probe aborts with no logs, only a -ENODEV return value.

Having no dmesg trace, even with dynamic debug enabled, makes support
more complicated than it needs to be, and even experienced users can
be fooled. A simple dev_dbg() trace solves this problem.

BugLink: https://github.com/thesofproject/linux/issues/2330
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>
Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20200902154239.1440537-1-kai.vehmanen@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Pierre-Louis Bossart 2020-09-02 18:42:39 +03:00 committed by Takashi Iwai
parent 13774d81f3
commit ae03594716
1 changed files with 3 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
sound/pci/hda/hda_intel.c
View File

@ -2127,9 +2127,10 @@ static int azx_probe(struct pci_dev *pci,
*/
if (dmic_detect) {
err = snd_intel_dsp_driver_probe(pci);
if (err != SND_INTEL_DSP_DRIVER_ANY &&
err != SND_INTEL_DSP_DRIVER_LEGACY)
if (err != SND_INTEL_DSP_DRIVER_ANY && err != SND_INTEL_DSP_DRIVER_LEGACY) {
dev_dbg(&pci->dev, "HDAudio driver not selected, aborting probe\n");
return -ENODEV;
}
} else {
dev_warn(&pci->dev, "dmic_detect option is deprecated, pass snd-intel-dspcfg.dsp_driver=1 option instead\n");
}