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

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Date:   Wed, 19 Aug 2020 11:34:46 +0800
From:   penghao <penghao@...ontech.com>
To:     perex@...ex.cz, tiwai@...e.com
Cc:     alexander@...y.me, dan.carpenter@...cle.com, crwulff@...il.com,
        penghao@...ontech.com, gustavoars@...nel.org,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: usb-audio: Add prevent wakeup from s3 state trig by Lenovo ThinkCentre TI024Gen3 USB-audio

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@...ontech.com>
---
 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