From: Sergey Senozhatsky <senozhatsky@chromium.org>
To: Ricardo Ribalda <ribalda@chromium.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>,
Guenter Roeck <linux@roeck-us.net>,
Tomasz Figa <tfiga@chromium.org>,
Alan Stern <stern@rowland.harvard.edu>,
linux-kernel@vger.kernel.org, Max Staudt <mstaudt@chromium.org>,
Sergey Senozhatsky <senozhatsky@chromium.org>,
Yunke Cao <yunkec@chromium.org>,
Laurent Pinchart <laurent.pinchart@ideasonboard.com>,
Hans Verkuil <hverkuil-cisco@xs4all.nl>,
linux-media@vger.kernel.org
Subject: Re: [PATCH v5 2/2] media: uvcvideo: Do power management granularly
Date: Mon, 12 Dec 2022 11:59:16 +0900 [thread overview]
Message-ID: <Y5aZBHAdNDy6hsEg@google.com> (raw)
In-Reply-To: <20220920-resend-powersave-v5-2-692e6df6c1e2@chromium.org>
On (22/12/06 15:06), Ricardo Ribalda wrote:
>
> Instead of suspending/resume the USB device at open()/close(), do it
> when the device is actually used.
>
> This way we can reduce the power consumption when a service is holding
> the video device and leaving it in an idle state.
>
> Reviewed-by: Tomasz Figa <tfiga@chromium.org>
> Reviewed-by: Max Staudt <mstaudt@chromium.org>
> Signed-off-by: Ricardo Ribalda <ribalda@chromium.org>
Reviewed-by: Sergey Senozhatsky <senozhatsky@chromium.org>
next prev parent reply other threads:[~2022-12-12 2:59 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-06 14:06 [PATCH v5 0/2] media: uvcvideo: Implement granular power management Ricardo Ribalda
2022-12-06 14:06 ` [PATCH v5 1/2] media: uvcvideo: Refactor streamon/streamoff Ricardo Ribalda
2022-12-12 1:15 ` Sergey Senozhatsky
2022-12-27 14:49 ` Laurent Pinchart
2022-12-06 14:06 ` [PATCH v5 2/2] media: uvcvideo: Do power management granularly Ricardo Ribalda
2022-12-12 2:59 ` Sergey Senozhatsky [this message]
2022-12-27 23:34 ` Laurent Pinchart
2022-12-27 23:48 ` Laurent Pinchart
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