savagefb: speed up the I2C bus
authorJean Delvare <khali@linux-fr.org>
Mon, 28 Apr 2008 09:15:16 +0000 (02:15 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Mon, 28 Apr 2008 15:58:38 +0000 (08:58 -0700)
There is no reason to drive the savagefb I2C bus at such a low speed, so bump
it from 12.5 kbps to 50 kbps.  The Intel (i810) and Matrox framebuffer drivers
already run their I2C bus at this speed, and so are the legacy i2c-savage4 and
i2c-prosavage drivers.

Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: "Antonino A. Daplas" <adaplas@pol.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/video/savage/savagefb-i2c.c

index 35c1ce62b216ac0aeb1ea3fd7cb9d2c1a35b59ca..783d4adffb93d82bda425203912f12c100ef2dbf 100644 (file)
@@ -140,7 +140,7 @@ static int savage_setup_i2c_bus(struct savagefb_i2c_chan *chan,
                chan->adapter.id                = I2C_HW_B_SAVAGE;
                chan->adapter.algo_data         = &chan->algo;
                chan->adapter.dev.parent        = &chan->par->pcidev->dev;
-               chan->algo.udelay               = 40;
+               chan->algo.udelay               = 10;
                chan->algo.timeout              = 20;
                chan->algo.data                 = chan;