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[PATCH] sstfb: fix pixclock setting on Voodoo 1/2 cards

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Pixclock setting in sstfb didn't work with my Voodoo 2 card with ICS 5342 DAC
(this DAC requires two consecutive writes to one of its registers to program
pixclock - maybe first write merged with second).

Signed-off-by: Ondrej Zajicek <[email protected]>
Signed-off-by: Antonino Daplas <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
This commit is contained in:
Ondrej Zajicek 2007-03-16 13:38:16 -08:00 • committed by Linus Torvalds
commit e52e15d3c1
1 changed files with 1 additions and 0 deletions
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1
drivers/video/sstfb.c
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@ -257,6 +257,7 @@ static void __sst_dac_write(u8 __iomem *vbase, u8 reg, u8 val)
r_dprintk("sst_dac_write(%#x, %#x)\n", reg, val);
reg &= 0x07;
__sst_write(vbase, DAC_DATA,(((u32)reg << 8)) | (u32)val);
__sst_wait_idle(vbase);
}
/* indexed access to ti/att dacs */