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bcm5974(4): set mode again on resume

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This is necessary to not break SPI devices on suspend-resume.

Reviewed by:    wulf
MFC with:       5aa839c9e2
Differential revision:  https://reviews.freebsd.org/D34434
This commit is contained in:
Greg V 2022-03-08 15:51:07 +03:00 committed by Vladimir Kondratyev
parent fda9ac06aa
commit 45b6c31a38
1 changed files with 15 additions and 0 deletions
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15
sys/dev/hid/bcm5974.c
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@ -416,6 +416,7 @@ struct bcm5974_softc {
struct evdev_dev *sc_evdev;
/* device configuration */
const struct bcm5974_dev_params *sc_params;
bool sc_saved_mode;
};
static const uint8_t bcm5974_rdesc[] = {
@ -549,6 +550,9 @@ bcm5974_set_device_mode(struct bcm5974_softc *sc, bool on)
KASSERT(0 == 1, ("Unknown trackpad type"));
}
if (!err)
sc->sc_saved_mode = on;
return (err);
}
@ -667,6 +671,16 @@ bcm5974_detach(device_t dev)
return (0);
}
static int
bcm5974_resume(device_t dev)
{
struct bcm5974_softc *sc = device_get_softc(dev);
bcm5974_set_device_mode(sc, sc->sc_saved_mode);
return (0);
}
static void
bcm5974_intr(void *context, void *data, hid_size_t len)
{
@ -779,6 +793,7 @@ static device_method_t bcm5974_methods[] = {
DEVMETHOD(device_probe, bcm5974_probe),
DEVMETHOD(device_attach, bcm5974_attach),
DEVMETHOD(device_detach, bcm5974_detach),
DEVMETHOD(device_resume, bcm5974_resume),
DEVMETHOD_END
};