Re: [alsa-devel] [RFC] [ALSA][CONTROL] Added 2 ioctls for reading/writing values of multiple controls in one go (at once)

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