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    SubjectRe: [RFC/PATCH v6 09/12] media: Entity locking and pipeline management
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    Hi Mark,

    On Thursday 25 November 2010 14:53:51 Mark Brown wrote:
    > On Thu, Nov 25, 2010 at 03:28:16AM +0100, Laurent Pinchart wrote:
    > > Link states must not be modified while streaming is in progress on a
    > > graph they belong or connect to. The entity locking API helps drivers
    > > enforcing that requirement.
    >
    > This is not desirable for embedded audio - for example, it is very
    > common to wish to switch from headphone to speaker and back mid
    > playback, or to move between headset, speakerphone and handset modes on
    > a phone. This is normally implemented by reconfiguring the output paths
    > at runtime without interrupting applications.

    Agreed. The locking should be made optional. I'll work on that.

    --
    Regards,

    Laurent Pinchart


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