[PATCH] sstfb: fix pixclock setting on Voodoo 1/2 cards
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 <santiago@crfreenet.org>
Signed-off-by: Antonino Daplas <adaplas@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/drivers/video/sstfb.c b/drivers/video/sstfb.c
index 59cd1e7..62fa550 100644
--- a/drivers/video/sstfb.c
+++ b/drivers/video/sstfb.c
@@ -257,6 +257,7 @@
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 */