lkm - keyboard don't sings as well !!
I'm programming a kernel module.
this module use the call request_irq() to install a personalised routine (ISR)( this routine will setup the PPI (8255) and the timer (8253) for send a signal to the speaker in brief , I want the speaker plays a note when a key is pressed :D my problem is that the speaker don't stops to play. the 2nd problem is that I whould like to know if it is possible to store in some variable the address of the old rountine !? thanks |
maybe i didn't post in the correct place ?!
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