Date: Tue, 2 Jan 2001 17:32:58 -0800 (PST) From: John Baldwin <jhb@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/dev/sound/pci maestro.c maestro_reg.h Message-ID: <200101030132.f031WwE42138@freefall.freebsd.org>
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jhb 2001/01/02 17:32:58 PST
Modified files:
sys/dev/sound/pci maestro.c maestro_reg.h
Log:
- When acknowledging interrupts, write the value 0xff to the interrupt
status register rather than 0. Without this, a single hardware volume
event triggers an interrupt storm.
- Implement hardware volume control for the Maestro chips. This version
only handles the case where both channels are adjusted at the same time.
Reviewed by: cg
Revision Changes Path
1.6 +25 -20 src/sys/dev/sound/pci/maestro.c
1.2 +5 -1 src/sys/dev/sound/pci/maestro_reg.h
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