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9 Commits

Author SHA1 Message Date
christos
86703f4f21 restore audiobell api 2016-12-09 13:26:11 +00:00
christos
37817cca55 minor cleanups (no functional change) 2016-12-09 13:16:22 +00:00
nat
03783bb56a Add a synthesized pc beeper and keyboard bell for platforms with an audio 
device.
 2016-12-08 11:31:08 +00:00
cegger
288e30b1ba undo my previous changes. 
unbreaks build of acorn32.
 2009-05-12 10:22:31 +00:00
cegger
2641fe2fb7 struct device * -> device_t 
comment says, first argument of audiobell is a device, so make it a device.
 2009-05-07 09:23:01 +00:00
christos
95e1ffb156 merge ktrace-lwp. 2005-12-11 12:16:03 +00:00
perry
f31bd063e9 nuke trailing whitespace 2005-02-27 00:26:58 +00:00
bjh21
820ae6a962 Add a comment explaining how to call audiobell(). 2004-01-17 22:14:18 +00:00
bjh21
9556e4209d Simple code to provide a console bell through a generic audio device, for 
systems that don't have a dedicated feeper.  It's up to MD code to enable
this by having the "audiobell" attribute and calling audiobell() at the
appropriate moment.

Code for making noise in the kernel from Richard Earnshaw.  Simple synthesizer
design from the RISC OS Programmer's Reference manual.
 2004-01-17 20:55:59 +00:00