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author | Takashi Iwai <tiwai@suse.de> | 2019-08-13 17:25:39 +0200 |
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committer | Takashi Iwai <tiwai@suse.de> | 2019-08-14 18:25:16 +0200 |
commit | ee5f85d9290fe25d460bd320b7fe073075d72d33 (patch) | |
tree | c374dcb843e2b0dd98190019547e44d7949f22ef /sound/hda/hdac_sysfs.c | |
parent | f2dbe87c5ac1f88e6007ba1f1374f4bd8a197fb6 (diff) | |
download | linux-ee5f85d9290fe25d460bd320b7fe073075d72d33.tar.bz2 |
ALSA: hda: Add codec on bus address table lately
The call of snd_hdac_bus_add_device() is needed only for registering
the codec onto the bus caddr_tbl[] that is referred essentially only
in the unsol event handler. That is, the reason of this call and the
release by the counter-part function snd_hdac_bus_remove_device() is
just to assure that the unsol event gets notified to the codec.
But the current implementation of the unsol notification wouldn't work
properly when the codec is still in a premature init state. So this
patch tries to work around it by delaying the caddr_tbl[] registration
at the point of snd_hdac_device_register().
Also, the order of snd_hdac_bus_remove_device() and device_del() calls
are shuffled to make sure that the unsol event is masked before
deleting the device.
BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=204565
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda/hdac_sysfs.c')
0 files changed, 0 insertions, 0 deletions