[libcamera-devel] [PATCH 2/3] libcamera: ipa_proxy: Document ProxyState

Laurent Pinchart laurent.pinchart at ideasonboard.com
Tue Apr 13 19:45:04 CEST 2021


Hi Kieran,

Thank you for the patch.

On Tue, Apr 13, 2021 at 01:25:33PM +0100, Kieran Bingham wrote:
> The documentation for the ProxyState and tracking variable was not added
> when the IPA was extended with a state machine.
> 
> Add it.
> 
> Fixes: 70238ceca5b2 ("utils: ipc: proxy: Track IPA with a state machine")
> Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
> ---
>  src/libcamera/ipa_proxy.cpp | 23 +++++++++++++++++++++++
>  1 file changed, 23 insertions(+)
> 
> diff --git a/src/libcamera/ipa_proxy.cpp b/src/libcamera/ipa_proxy.cpp
> index ec4c2cc823c2..8608b0c92a87 100644
> --- a/src/libcamera/ipa_proxy.cpp
> +++ b/src/libcamera/ipa_proxy.cpp
> @@ -32,6 +32,18 @@ LOG_DEFINE_CATEGORY(IPAProxy)
>   * Isolate IPA into separate process.
>   */
>  
> +/**
> + * \enum IPAProxy::ProxyState
> + * \brief Identifies the available operational states of the proxy
> + *
> + * \var IPAProxy::ProxyStopped
> + * \brief The proxy is not active and only synchronous operations are permitted
> + * \var IPAProxy::ProxyStopping
> + * \brief No new tasks can be submitted to the proxy, however existing events can be completed

With a line wrap here,

Reviewed-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>

> + * \var IPAProxy::ProxyRunning
> + * \brief The Proxy is active and asynchronous tasks may be queued
> + */
> +
>  /**
>   * \brief Construct an IPAProxy instance
>   * \param[in] ipam The IPA module
> @@ -213,4 +225,15 @@ std::string IPAProxy::resolvePath(const std::string &file) const
>   * construction.
>   */
>  
> +/**
> + * \var IPAProxy::state_
> + * \brief Current state of the IPAProxy
> + *
> + * The IPAProxy can be Running, Stopped, or Stopping.
> + *
> + * This state provides a means to ensure that asynchronous methods are only
> + * called while the proxy is running, and prevent new tasks being submitted
> + * while still enabling events to complete when the IPAProxy is stopping.
> + */
> +
>  } /* namespace libcamera */

-- 
Regards,

Laurent Pinchart


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