andreacavalli/xserver-multidpi
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DDC: Redo extended device probe slightly.

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We'll now only mention the E-EDID segment register if the device is
actually E-EDID-capable.  While we're here, check for DDC/CI and
standard EEPROM support too.
This commit is contained in:
Adam Jackson 2009-02-27 12:42:43 -05:00
parent b030f858f2
commit 8c6b4a8276
1 changed files with 6 additions and 1 deletions
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7
hw/xfree86/ddc/xf86DDC.c
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@ -138,8 +138,13 @@ DDC2Init(int scrnIndex, I2CBusPtr pBus)
*/
pBus->RiseFallTime = 20;
DDC2MakeDevice(pBus, 0x0060, "E-EDID segment register");
dev = DDC2MakeDevice(pBus, 0x00A0, "ddc2");
if (xf86I2CProbeAddress(pBus, 0x0060))
DDC2MakeDevice(pBus, 0x0060, "E-EDID segment register");
if (xf86I2CProbeAddress(pBus, 0x0062))
DDC2MakeDevice(pBus, 0x0062, "EDID EEPROM interface");
if (xf86I2CProbeAddress(pBus, 0x006E))
DDC2MakeDevice(pBus, 0x006E, "DDC control interface");
return dev;
}