Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   penghao <penghao@uniontech.com>
To:     perex@perex.cz, tiwai@suse.com, gregkh@linuxfoundation.org,
        alsa-devel@alsa-project.org
Cc:     linux-kernel@vger.kernel.org, phz0008@163.com,
        penghao@uniontech.com, "penghao@deepin.com" <penghao@deepin.com>
Subject: [PATCH 14216/14216] ALSA: usb-audio: This patch for prevent auto wakeup from s3 trig by usb disconnect signal from Lenovo Thinkcentre TI024Gen3  USB-audio.
Date:   Sat, 25 Jul 2020 12:01:55 +0800
Message-Id: <20200725040155.27648-1-penghao@uniontech.com>
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

From: "penghao@deepin.com" <penghao@deepin.com>

 TI024Gen3 USB-audio is controlled by TI024Gen3,when TI024Gens
 enter sleep mode, USB-audio will disconnect from USB bus port,
 so disabled the /sys/bus/usb/*/power/wakeup Fixesimmediately
 wakup form s3 state

Signed-off-by: penghao@uniontech.com <penghao@uniontech.com>
Signed-off-by: penghao@deepin.com <penghao@deepin.com>
---
 sound/usb/card.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/sound/usb/card.c b/sound/usb/card.c
index 2644a5ae2b75..969c3809e051 100644
--- a/sound/usb/card.c
+++ b/sound/usb/card.c
@@ -640,6 +640,12 @@ 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
@@ -914,3 +920,4 @@ static struct usb_driver usb_audio_driver = {
 };
 
 module_usb_driver(usb_audio_driver);
+
-- 
2.11.0