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| author | Takashi Iwai <tiwai@suse.de> | 2015-06-10 12:03:49 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2015-06-11 06:51:19 +0200 |
| commit | bf06848bdbe549175d25d2327ab9f37d4bd556b7 (patch) | |
| tree | 0f415ed593f5168966068ab787b2d9fb9c3701ef /sound | |
| parent | 98a226ed21949601b270f7ea20abc9f72f7b0be9 (diff) | |
| download | linux-bf06848bdbe549175d25d2327ab9f37d4bd556b7.tar.gz linux-bf06848bdbe549175d25d2327ab9f37d4bd556b7.tar.bz2 linux-bf06848bdbe549175d25d2327ab9f37d4bd556b7.zip | |
ALSA: hda - Continue probing even if i915 binding fails
Currently snd-hda-intel driver aborts the probing of Intel HD-audio
controller with i915 power well management when binding with i915
driver via hda_i915_init() fails. This is no big problem for Haswell
and Broadwell where the HD-audio controllers are dedicated to
HDMI/DP, thus i915 link is mandatory. However, Skylake, Baytrail and
Braswell have only one controller and both HDMI/DP and analog codecs
share the same bus. Thus, even if HDMI/DP isn't usable, we should
keep the controller working for other codecs.
For fixing this, this patch simply allows continuing the probing even
if hda_i915_init() call fails. This may leave stale sound components
for HDMI/DP devices that are unbound with graphics. We could abort
the probing selectively, but from the code simplicity POV, it's better
to continue in all cases.
Reported-by: Libin Yang <libin.yang@intel.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound')
| -rw-r--r-- | sound/pci/hda/hda_intel.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index fea198c58196..8a0af6770e1d 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -1855,7 +1855,7 @@ static int azx_probe_continue(struct azx *chip) #ifdef CONFIG_SND_HDA_I915 err = hda_i915_init(hda); if (err < 0) - goto out_free; + goto skip_i915; err = hda_display_power(hda, true); if (err < 0) { dev_err(chip->card->dev, @@ -1865,6 +1865,7 @@ static int azx_probe_continue(struct azx *chip) #endif } + skip_i915: err = azx_first_init(chip); if (err < 0) goto out_free; |