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From: penghao <penghao@uniontech.com>
To: perex@perex.cz, tiwai@suse.com, gregkh@linuxfoundation.org,
	alsa-devel@alsa-project.org
Cc: "penghao@deepin.com" <penghao@deepin.com>,
	phz0008@163.com, linux-kernel@vger.kernel.org,
	penghao@uniontech.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	[thread overview]
Message-ID: <20200725040155.27648-1-penghao@uniontech.com> (raw)

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




             reply	other threads:[~2020-07-25  4:08 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-25  4:01 penghao [this message]
2020-07-25  5:48 ` [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 Greg KH
2020-07-25  6:09   ` Re:Re: [PATCH 14216/14216] ALSA: usb-audio: This patch for prevent autowakeup from s3 trig by usb disconnect signal from Lenovo ThinkcentreTI024Gen3 USB-audio 彭浩
2020-07-25  6:20     ` Greg KH

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