[PATCH] ALSA: usb-audio: Add prevent wakeup from s3 state trig by Lenovo ThinkCentre TI024Gen3 USB-audio

From: penghao
Date: Wed Aug 19 2020 - 07:58:44 EST


TI024Gen3 USB-audio is controlled by TI024Gen3,when TI024Gens
enter sleep mode, USB-audio will disconnect from USB bus port,
wakup form s3 state

Signed-off-by: penghao <penghao@xxxxxxxxxxxxx>
---
sound/usb/card.c | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/sound/usb/card.c b/sound/usb/card.c
index 696e788c5d31..6bdbb34009b3 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -658,6 +658,12 @@ static int usb_audio_probe(struct usb_interface *intf,
}

dev_set_drvdata(&dev->dev, chip);
+ /*
+ *ALSA: usb-audio: Add prevent wakeup from s3 state trig by Lenovo
+ *ThinkCentre TI024Gen3 usb-audio
+ */
+ if ((usb_id->idVendor == 0x17ef) && (usb_id->idProduct == 0xa012))
+ device_set_wakeup_enable(&dev->dev, 0);

/*
* For devices with more than one control interface, we assume the
--
2.11.0