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Difference between revisions of "Vregs"

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(Created page with 'The following table lists nodes in <tt>/dbgfs/vregs</tt>, what happens when you write 0 to them, and what we know about them. This testing was performed on a RAPH110/ATT Fuze. …')
 
 
(2 intermediate revisions by the same user not shown)
Line 17: Line 17:
 
|gp1
 
|gp1
 
|safe
 
|safe
|unknown
+
|unknown (bzo: cam)
 
|
 
|
 
|-
 
|-
 
|gp2
 
|gp2
 
|safe
 
|safe
|mddi link
+
|mddi link (bzo: cam)
 
|?
 
|?
 
|-
 
|-
 
|gp3
 
|gp3
 
|safe
 
|safe
|unknown
+
|unknown (bzo: cam)
 
|usb
 
|usb
 
|-
 
|-
 
|gp4
 
|gp4
|safe
+
|kills i2c (navipad, touchscreen fail)
 
|lcm ? (backlight module)
 
|lcm ? (backlight module)
 
|
 
|
Line 162: Line 162:
 
|wlan
 
|wlan
 
|safe
 
|safe
|unknown
+
|unknown (bzo: cam)
 
|
 
|
 
|}
 
|}

Latest revision as of 01:25, 19 August 2010

The following table lists nodes in /dbgfs/vregs, what happens when you write 0 to them, and what we know about them.

This testing was performed on a RAPH110/ATT Fuze.

vreg name test result purpose in code htc-linux wiki
boost safe unknown
gp1 safe unknown (bzo: cam)
gp2 safe mddi link (bzo: cam) ?
gp3 safe unknown (bzo: cam) usb
gp4 kills i2c (navipad, touchscreen fail) lcm ? (backlight module)
gp5 safe unknown
gp6 safe (shuts down MMC, not really safe on our setup) sdslot
mmc safe unknown
mpll safe unknown
msma reboot unknown
msmc0 safe unknown
msmc1 freeze unknown
msmc2 freeze unknown screen
msme1 reboot Some wifi reg sd
msme2 safe unknown
msmp poweroff unknown
ncp safe unknown
pa safe unknown screen
rf safe unknown
rf_vco safe unknown
rfrx1 safe unknown wifi stuff
rfrx2 scrambles display, system stays alive unknown wifi stuff
rftx display fades to black, system stays alive. echo 1 restores screen wifi stuff on topaz screen
rfubm safe unknown
ruim safe unknown
s2 safe unknown
s3 safe unknown
synt safe unknown
tcxo safe unknown screen
usb safe unknown
wlan safe unknown (bzo: cam)