From: Sergei Shtylyov <sergei.shtylyov@gmail.com>
To: "Niklas Söderlund" <niklas.soderlund+renesas@ragnatech.se>,
linux-media@vger.kernel.org
Cc: linux-renesas-soc@vger.kernel.org
Subject: Re: [PATCH 3/3] adv748x: Configure device when resuming from sleep
Date: Mon, 23 Nov 2020 11:09:13 +0300 [thread overview]
Message-ID: <e8f57c5c-f832-59b7-4f36-3fbcc92a3243@gmail.com> (raw)
In-Reply-To: <20201122163637.3590465-4-niklas.soderlund+renesas@ragnatech.se>
On 22.11.2020 19:36, Niklas Söderlund wrote:
> If the device is powered off for example during system suspend to ram
> the devices loses its configuration, specially the slave i2c mappings
Especially?
> and other configuration set at probe time. This renders the device
> unusable and only way to recover is to unbind and rebind the device to
> the driver to run the probe setup again.
>
> Add an early resume callback that reinitializes the device and setup the
> slave i2c address mappings and other probe time configuration.
>
> Signed-off-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se>
[...]
MBR, Sergei
next prev parent reply other threads:[~2020-11-23 8:09 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-11-22 16:36 [PATCH 0/3] adv748x: Add support for s2ram Niklas Söderlund
2020-11-22 16:36 ` [PATCH 1/3] adv748x: afe: Select input port when device is reset Niklas Söderlund
2020-11-23 8:00 ` Sergei Shtylyov
2020-11-25 12:10 ` Kieran Bingham
2020-11-25 13:16 ` Niklas Söderlund
2020-11-22 16:36 ` [PATCH 2/3] adv748x: csi2: Set virtual channel " Niklas Söderlund
2020-11-23 8:06 ` Sergei Shtylyov
2020-11-22 16:36 ` [PATCH 3/3] adv748x: Configure device when resuming from sleep Niklas Söderlund
2020-11-23 8:09 ` Sergei Shtylyov [this message]
2020-11-23 8:05 ` [PATCH 0/3] adv748x: Add support for s2ram Sergei Shtylyov
2020-11-25 13:09 ` Kieran Bingham
2020-11-25 13:39 ` Niklas Söderlund
2020-11-25 13:58 ` Geert Uytterhoeven
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