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authorTakashi Iwai <tiwai@suse.de>2020-04-18 21:06:39 +0200
committerTakashi Iwai <tiwai@suse.de>2020-04-18 21:10:09 +0200
commit67791202c5e069cf2ba51db0718d56c634709e78 (patch)
tree2e131784592037e991121bdab0639a57c17243fd /sound/usb/mixer.c
parentALSA: usb-audio: Filter out unsupported sample rates on Focusrite devices (diff)
downloadwireguard-linux-67791202c5e069cf2ba51db0718d56c634709e78.tar.xz
wireguard-linux-67791202c5e069cf2ba51db0718d56c634709e78.zip
ALSA: hda/realtek - Fix unexpected init_amp override
The commit 1c76aa5fb48d ("ALSA: hda/realtek - Allow skipping spec->init_amp detection") changed the way to assign spec->init_amp field that specifies the way to initialize the amp. Along with the change, the commit also replaced a few fixups that set spec->init_amp in HDA_FIXUP_ACT_PROBE with HDA_FIXUP_ACT_PRE_PROBE. This was rather aligning to the other fixups, and not supposed to change the actual behavior. However, this change turned out to cause a regression on FSC S7020, which hit exactly the above. The reason was that there is still one place that overrides spec->init_amp after HDA_FIXUP_ACT_PRE_PROBE call, namely in alc_ssid_check(). This patch fixes the regression by adding the proper spec->init_amp override check, i.e. verifying whether it's still ALC_INIT_UNDEFINED. Fixes: 1c76aa5fb48d ("ALSA: hda/realtek - Allow skipping spec->init_amp detection") Cc: <stable@vger.kernel.org> BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=207329 Link: https://lore.kernel.org/r/20200418190639.10082-1-tiwai@suse.de Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/mixer.c')
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