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| author |   Dmitry Torokhov <dtor@insightbb.com> | 2007-02-18 01:40:24 -0500 |
|---|---|---|
| committer | Dmitry Torokhov <dtor@insightbb.com> | 2007-02-18 01:40:24 -0500 |
| commit | a1cec06177386ecc320af643de11cfa77e8945bd (patch) | |
| tree | 1c335b711acb5c2f9186da2d08da8b7a7810f755 /drivers/input | |
| parent | Merge branch 'for-linus' of git://www.atmel.no/~hskinnemoen/linux/kernel/avr32 (diff) | |
| download | linux-dev-a1cec06177386ecc320af643de11cfa77e8945bd.tar.xz linux-dev-a1cec06177386ecc320af643de11cfa77e8945bd.zip | |
Input: psmouse - properly reset mouse on shutdown/suspend
Some people report that they need psmouse module unloaded
for suspend to ram/disk to work properly. Let's make port
cleanup behave the same way as driver unload.
This fixes "bad state" roblem on various HP laptops, such
as nx7400.
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input')
| -rw-r--r-- | drivers/input/mouse/psmouse-base.c | 28 | ||||
| -rw-r--r-- | drivers/input/mouse/psmouse.h | 1 | ||||
| -rw-r--r-- | drivers/input/mouse/synaptics.c | 1 |
3 files changed, 30 insertions, 0 deletions
diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index a0e4a033e2db..9a6e4b6bdbf4 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -987,8 +987,36 @@ static void psmouse_resync(struct work_struct *work) static void psmouse_cleanup(struct serio *serio) { struct psmouse *psmouse = serio_get_drvdata(serio); + struct psmouse *parent = NULL; + + mutex_lock(&psmouse_mutex); + + if (serio->parent && serio->id.type == SERIO_PS_PSTHRU) { + parent = serio_get_drvdata(serio->parent); + psmouse_deactivate(parent); + } + + psmouse_deactivate(psmouse); + + if (psmouse->cleanup) + psmouse->cleanup(psmouse); psmouse_reset(psmouse); + +/* + * Some boxes, such as HP nx7400, get terribly confused if mouse + * is not fully enabled before suspending/shutting down. + */ + ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_ENABLE); + + if (parent) { + if (parent->pt_deactivate) + parent->pt_deactivate(parent); + + psmouse_activate(parent); + } + + mutex_unlock(&psmouse_mutex); } /* diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h index 1b74cae8a556..cf1de95b6f27 100644 --- a/drivers/input/mouse/psmouse.h +++ b/drivers/input/mouse/psmouse.h @@ -68,6 +68,7 @@ struct psmouse { int (*reconnect)(struct psmouse *psmouse); void (*disconnect)(struct psmouse *psmouse); + void (*cleanup)(struct psmouse *psmouse); int (*poll)(struct psmouse *psmouse); void (*pt_activate)(struct psmouse *psmouse); diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 49ac696d6cff..f0f9413d762c 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -652,6 +652,7 @@ int synaptics_init(struct psmouse *psmouse) psmouse->set_rate = synaptics_set_rate; psmouse->disconnect = synaptics_disconnect; psmouse->reconnect = synaptics_reconnect; + psmouse->cleanup = synaptics_reset; psmouse->pktsize = 6; /* Synaptics can usually stay in sync without extra help */ psmouse->resync_time = 0; |