Date: Wed, 12 Oct 2011 22:25:19 -0400 From: Justin Hibbits <jrh29@alumni.cwru.edu> To: FreeBSD PowerPC ML <freebsd-ppc@freebsd.org> Subject: RFT: PowerBook lid detection Message-ID: <1AEF648C-5F24-44F6-893C-1E82C2192DE8@alumni.cwru.edu>
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[-- Attachment #1 --]
Attached is a patch which sends devctl notifications when the lid is
opened and closed on a powerbook. It should turn off the backlight on
PMU-controlled-backlight laptops (doesn't on mine, because mine is
controlled by the video card).
Testing please?
- Justin
[-- Attachment #2 --]
Index: ../powermac/pmu.c
===================================================================
--- ../powermac/pmu.c (revision 226307)
+++ ../powermac/pmu.c (working copy)
@@ -705,6 +705,24 @@
adb_receive_raw_packet(sc->adb_bus,resp[1],resp[2],
len - 3,&resp[3]);
}
+ if (resp[1] & PMU_INT_ENVIRONMENT) {
+ // if the lid was just closed, do this
+ if ((resp[2] & PMU_ENV_LID_CLOSED) && (!sc->lid_closed)) {
+ uint8_t power_events = PMU_POW_BACKLIGHT | PMU_POW_OFF;
+ pmu_send(sc, PMU_POWER_CTRL, 1, &power_events, 16, resp);
+ sc->lid_closed = 1;
+ if (devctl_process_running())
+ devctl_notify("PMU", "lid", "close", NULL);
+ }
+ else if (!(resp[2] & PMU_ENV_LID_CLOSED) && (sc->lid_closed)) {
+ uint8_t power_events = PMU_POW_BACKLIGHT | PMU_POW_ON;
+ // if the lid was just opened, do this
+ pmu_send(sc, PMU_POWER_CTRL, 1, &power_events, 16, resp);
+ if (devctl_process_running())
+ devctl_notify("PMU", "lid", "open", NULL);
+ sc->lid_closed = 0;
+ }
+ }
}
static u_int
Index: ../powermac/pmuvar.h
===================================================================
--- ../powermac/pmuvar.h (revision 226307)
+++ ../powermac/pmuvar.h (working copy)
@@ -160,6 +160,7 @@
volatile int sc_autopoll;
int sc_batteries;
struct cdev *sc_leddev;
+ int lid_closed;
};
struct pmu_battstate {
[-- Attachment #3 --]
help
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