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Kai-Heng Feng authored
This reverts commit 34dedd2a. According to Realtek, volume FU works for line-in. I can confirm volume control works after device firmware is updated. Fixes: 34dedd2a ("ALSA: usb-audio: Disable Lenovo P620 Rear line-in volume control") Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Link: https://lore.kernel.org/r/20200915103925.12777-1-kai.heng.feng@canonical.comSigned-off-by: Takashi Iwai <tiwai@suse.de>
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