README: xpp: xpd_fxo param use_polrev_firmware

Signed-off-by: Tzafrir Cohen <tzafrir.cohen@xorcom.com>
This commit is contained in:
Tzafrir Cohen 2013-03-31 14:08:08 +03:00 committed by Russ Meyerriecks
parent 76dda31533
commit be904538c7
1 changed files with 10 additions and 0 deletions

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README
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@ -624,6 +624,16 @@ Minimum interval (msec) for detection of battery off (as opposed to e.g.
a temporary power denial to signal a hangup). Defaults to 1000. As with
battery_threshold above, there's normally no need to tweak it.
==== use_polrev_firmware
(xpd_fxo)
Enable (1, default) or disable (0) support for polarity reversal
detection in the hardware. Only has effect with PIC_TYPE_2.hex rev. >=
11039 and with the initialization changes (init_card_2_30) in rev.
949aa49.
This parameter is read-only. It cannot be changed at run-time.
Internals
---------