SPARC DBRI driver
This patch contains the following fixes to the Alsa DBRI driver:
- Remove 2.6.13 build warning on the prom_getproperty() call.
- Rework command synchronization: send a sequence number with D_WAIT,
and check it in the completion interrupt.
Move synchronization delays from _cmdsend() to _cmdlock() allowing the
CPU to do other usefull things while the DBRI is processing the
commands.
- Fix first argument of printk() calls.
- Enable burst transfers for DBRI. Original 2.4 patch from Krzysztof
Helt
- Make dbri_debug module parameter writable from sysfs. Remove obsolete
write access to the /proc debug file.
- Replace udelay() with msleep_interruptible() where possible.
- Update documentation comments.
Signed-off-by: Martin Habets <errandir_news@mph.eclipse.co.uk>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
4338829e09