From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: penghao <penghao@uniontech.com>, gregkh@linuxfoundation.org
Cc: johan@kernel.org, jonathan@jdcox.net, tomasz@meresinski.eu,
hdegoede@redhat.com, dlaz@chromium.org,
kai.heng.feng@canonical.com, richard.o.dodd@gmail.com,
kerneldev@karsmulder.nl, linux-usb@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card
Date: Wed, 18 Nov 2020 12:03:57 +0300 [thread overview]
Message-ID: <268a9ff1-8142-556d-5c90-bb6badef0c84@gmail.com> (raw)
In-Reply-To: <20201118085623.31221-1-penghao@uniontech.com>
Hello!
On 18.11.2020 11:56, penghao wrote:
> Add a USB_QUIRK_DISCONNECT_SUSPEND quirk for the Lenovo TIO built-in
> usb-audio. when A630Z going into S3,the system immediately wakeup 7-8
> seconds later by usb-audio disconnect interrupt to avoids the issue.
>
> Seeking a better fix, we've tried a lot of things, including:
> - Check that the device's power/wakeup is disabled
> - Check that remote wakeup is off at the USB level
> - All the quirks in drivers/usb/core/quirks.c
> e.g. USB_QUIRK_RESET_RESUME,
> USB_QUIRK_RESET,
> USB_QUIRK_IGNORE_REMOTE_WAKEUP,
> USB_QUIRK_NO_LPM.
>
> but none of that makes any difference.
>
> There are no errors in the logs showing any suspend/resume-related issues.
> When the system wakes up due to the modem, log-wise it appears to be a
> normal resume.
>
> Introduce a quirk to disable the port during suspend when the modem is
> detected.
>
> Changes since v2
> - Add Changes commit format
>
> Changes since v1
> - Change subject form "ALSA" to "USB:"
> - Adjust to approoriate line
Appropriate.
>
> Signed-off-by: penghao <penghao@uniontech.com>
> ---
> drivers/usb/core/quirks.c | 5 +++++
> 1 file changed, 5 insertions(+)
>
> diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c
> index 7c1198f80c23..25f655c2cd28 100644
> --- a/drivers/usb/core/quirks.c
> +++ b/drivers/usb/core/quirks.c
[...]
> @@ -430,6 +434,7 @@ static const struct usb_device_id usb_quirk_list[] = {
> USB_QUIRK_DELAY_CTRL_MSG },
>
> /* Corsair Strafe RGB */
> +
Why? :-/
> { USB_DEVICE(0x1b1c, 0x1b20), .driver_info = USB_QUIRK_DELAY_INIT |
> USB_QUIRK_DELAY_CTRL_MSG },
>
MBR, Sergei
next prev parent reply other threads:[~2020-11-18 9:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-18 8:56 [PATCH] USB: quirks: Add USB_QUIRK_DISCONNECT_SUSPEND quirk for Lenovo A630Z TIO built-in usb-audio card penghao
2020-11-18 9:03 ` Sergei Shtylyov [this message]
2020-11-18 9:26 penghao
2020-11-18 9:34 ` Greg KH
2020-11-18 9:53 penghao
2020-11-18 10:20 ` Greg KH
2020-11-18 11:06 penghao
2020-11-18 11:25 ` Kai-Heng Feng
2020-11-18 12:30 penghao
2020-11-18 13:08 ` Kai-Heng Feng
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