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ALSA: hda - Try to allow haswell HDMI audio even without powerwell

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If compiled without CONFIG_SND_HDA_I915, the audio driver cannot
request power well. However, if the power well is on for other
reasons, maybe audio can still work. Therefore, do not skip the
card completely if compiled without CONFIG_SND_HDA_I915.

Signed-off-by: David Henningsson <david.henningsson@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
David Henningsson 2013-08-19 13:32:30 +02:00 committed by Takashi Iwai
parent cd5302c0d4
commit c841ad2a9b
1 changed files with 2 additions and 0 deletions
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2
sound/pci/hda/hda_intel.c
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@ -3855,11 +3855,13 @@ static int azx_probe_continue(struct azx *chip)
/* Request power well for Haswell HDA controller and codec */
if (chip->driver_caps & AZX_DCAPS_I915_POWERWELL) {
#ifdef CONFIG_SND_HDA_I915
err = hda_i915_init();
if (err < 0) {
snd_printk(KERN_ERR SFX "Error request power-well from i915\n");
goto out_free;
}
#endif
hda_display_power(true);
}