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Add a couple of (doxygen) comments I wrote while looking at modesetting.

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This commit is contained in:
Eric Anholt
2006-06-18 19:47:29 -07:00
parent 6aaf0e5b58
commit 76aaf7eae7
1 changed files with 22 additions and 0 deletions
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22
hw/xfree86/ddc/xf86DDC.c
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@@ -130,6 +130,17 @@ DDCAvailableOptions(void *unused)
}
#endif
/**
* Attempts to probe the monitor for EDID information, if NoDDC and NoDDC1 are
* unset. EDID information blocks are interpreted and the results returned in
* an xf86MonPtr.
*
* This function does not affect the list of modes used by drivers -- it is up
* to the driver to decide policy on what to do with EDID information.
*
* @return pointer to a new xf86MonPtr containing the EDID information.
* @return NULL if no monitor attached or failure to interpret the EDID.
*/
xf86MonPtr
xf86DoEDID_DDC1(
int scrnIndex, DDC1SetSpeedProc DDC1SetSpeed,
@@ -170,6 +181,17 @@ xf86DoEDID_DDC1(
return tmp;
}
/**
* Attempts to probe the monitor for EDID information, if NoDDC and NoDDC2 are
* unset. EDID information blocks are interpreted and the results returned in
* an xf86MonPtr.
*
* This function does not affect the list of modes used by drivers -- it is up
* to the driver to decide policy on what to do with EDID information.
*
* @return pointer to a new xf86MonPtr containing the EDID information.
* @return NULL if no monitor attached or failure to interpret the EDID.
*/
xf86MonPtr
xf86DoEDID_DDC2(int scrnIndex, I2CBusPtr pBus)
{