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9121947d69
linux/sound/pci/hda
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Takashi Iwai 9121947d69 ALSA: hda - Check the dead HDMI audio controller by vga-switcheroo 
When a discrete-GPU is disabled by the VGA switcheroo, the
corresponding HD-audio controller for HDMI output is also disabled.
Such a dead controller still appears in the PCI device list, but you
can't access properly any longer (even calling pci_read_config_*()
triggers Oops!) which leads the stall of the whole communication of
the driver.

This patch adds a check of graphics controller at the probe time to
see whether it's disabled by vga-switcheroo.  If disabled, skip the
whole initialization of this controller.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=43155

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-05-14 14:49:17 +02:00
..
hda_auto_parser.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
hda_auto_parser.h ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
hda_beep.c sound: Add export.h for THIS_MODULE/EXPORT_SYMBOL where needed 2011-10-31 19:31:22 -04:00
hda_beep.h ALSA: hda - Fix missing static inline to beep dummy function 2011-06-14 08:14:32 +02:00
hda_codec.c ALSA: hda - Disable FLOAT format support 2012-05-12 09:38:05 +02:00
hda_codec.h ALSA: hda - Fix concurrent hash accesses 2012-05-10 16:12:13 +02:00
hda_eld.c ALSA: hda - hide HDMI/ELD printks unless snd.debug=2 2012-04-10 14:53:55 +02:00
hda_generic.c sound: Add export.h for THIS_MODULE/EXPORT_SYMBOL where needed 2011-10-31 19:31:22 -04:00
hda_hwdep.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
hda_intel.c ALSA: hda - Check the dead HDMI audio controller by vga-switcheroo 2012-05-14 14:49:17 +02:00
hda_jack.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
hda_jack.h ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
hda_local.h ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
hda_proc.c ALSA: hda - Fix proc output for ADC amp values of CX20549 2012-04-07 12:25:02 +02:00
hda_trace.h ALSA: hda - Add tracepoint for unsolicited events 2011-08-09 14:24:17 +02:00
Kconfig ALSA: Introduce common helper functions for jack-detection control 2011-11-16 11:14:03 +01:00
Makefile ALSA: hda - Move up the fixup helper functions to the library module 2012-05-08 18:01:33 +02:00
patch_analog.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
patch_ca0110.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
patch_ca0132.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
patch_cirrus.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
patch_cmedia.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00
patch_conexant.c ALSA: hda/conexant - Correct vendor IDs for new codecs 2012-05-12 09:36:44 +02:00
patch_hdmi.c ALSA: hda - Protect SPDIF-related stuff via spdif_mutex 2012-05-10 14:56:15 +02:00
patch_realtek.c ALSA: hda - Move up the fixup helper functions to the library module 2012-05-08 18:01:33 +02:00
patch_si3054.c sound: Add module.h to the previously silent sound users 2011-10-31 19:31:21 -04:00
patch_sigmatel.c ALSA: hda - Remove pre_resume and post_suspend ops 2012-05-09 10:32:35 +02:00
patch_via.c ALSA: hda - Move BIOS pin-parser code to hda_auto_parser.c 2012-05-08 18:01:33 +02:00