Re: Using the sound mixer from within the kernel.

From: Thomas Sailer (sailer@ife.ee.ethz.ch)
Date: Fri Feb 18 2000 - 05:32:12 EST

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In reply to: Gordon, Brian (NM75): "Using the sound mixer from within the kernel."
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"Gordon, Brian (NM75)" wrote:

> THE QUESTION:
> I don't believe the mixer is initialized, I can't do an open("/dev/mixer")
> from within the kernel. How do I program the mixer from kernel space?
> (Using ioctls?) Any direction would be greatly appreciated.

You should be able to use open and ioctl if you first
do set_ds(KERNEL_DS). See for example
drivers/sound/sound_firmware.c for an example on how to use
open and friends from kernel space.

Tom

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Next message: Stephen C. Tweedie: "Re: Linux Status For 2.3.x: v 2.3.43"
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In reply to: Gordon, Brian (NM75): "Using the sound mixer from within the kernel."
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