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Revert "ALSA: usb-audio: Disable Lenovo P620 Rear line-in volume control" 

This reverts commit 34dedd2a83.

According to Realtek, volume FU works for line-in.

I can confirm volume control works after device firmware is updated.

Fixes: 34dedd2a83 ("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.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Kai-Heng Feng 2020-09-15 18:39:23 +08:00 committed by Takashi Iwai
parent 8f8bf00b1c
commit c413c31027
1 changed files with 0 additions and 1 deletions
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sound/usb/mixer_maps.c
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@ -371,7 +371,6 @@ static const struct usbmix_name_map asus_rog_map[] = {
};
static const struct usbmix_name_map lenovo_p620_rear_map[] = {
{ 19, NULL, 2 }, /* FU, Volume */
{ 19, NULL, 12 }, /* FU, Input Gain Pad */
{}
};