Messages in this thread | | | Date | Mon, 12 Apr 2004 07:55:20 +0000 | From | Thorsten Kranzkowski <> | Subject | [PATCH][RFC] sort out CLOCK_TICK_RATE usage [0/3] |
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Hello!
With every 2.6 kernel I tried the system speaker on my Alpha produces a rather unpleasant high pitched tone instead of the normal system beep. This is because in p|cspkr.c the calculation of the counter values is incorrectly based on CLOCK_TICK_RATE. To solve this problem I came up with these tree patches:
1/3: introduce PIC_TICK_RATE constant. It seems this is not always the same value. 2/3: use PIC_TICK_RATE in *spkr.c and some other places where the PIC is directly programmed. 3/3: use CLOCK_TICK_RATE where 1193180 was used in timing calculations.
Tested on Alpha, compile & boot-tested on i386 (unrelated LVM problems here)
Arch maintainers please have a look whether I got the constants right or if your architecture has a PIC at all.
Comments welcome.
Bye, Thorsten
-- | Thorsten Kranzkowski Internet: dl8bcu@dl8bcu.de | | Mobile: ++49 170 1876134 Snail: Kiebitzstr. 14, 49324 Melle, Germany | | Ampr: dl8bcu@db0lj.#rpl.deu.eu, dl8bcu@marvin.dl8bcu.ampr.org [44.130.8.19] | - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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