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    SubjectRe: [alsa-devel] [RFC] [ALSA][CONTROL] Added 2 ioctls for reading/writing values of multiple controls in one go (at once)
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    Satendra Singh Thakur wrote:
    > -Added an ioctl to read values of multiple elements at once
    > -Added an ioctl to write values of multiple elements at once
    > -In the absence of above ioctls user needs to call N ioctls to
    > read/write value of N elements which requires N context switches

    And why are these N context switches a problem?

    > -Above mentioned ioctl will be useful for alsa utils such as amixer
    > which reads all controls of given sound card

    Is there a noticeable difference?


    Regards,
    Clemens

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