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Input: speed up suspend/shutdown for PS/2 mice and keyboards 

Instead of doing full-blown reset while suspending or shutting down
the box use lighter form of reset that should take less time.

Tested-by: Alan Stern <stern@rowland.harvard.edu>
Tested-by: Rafael J. Wysocki <rjw@sisk.pl>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
hifive-unleashed-5.1
Dmitry Torokhov 2009-12-24 21:40:24 -08:00
parent 1d9f26262a
commit 4a299bf591
2 changed files with 7 additions and 3 deletions
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5
drivers/input/keyboard/atkbd.c
View File

@ -134,7 +134,8 @@ static const unsigned short atkbd_unxlate_table[128] = {
#define ATKBD_CMD_GETID 0x02f2
#define ATKBD_CMD_SETREP 0x10f3
#define ATKBD_CMD_ENABLE 0x00f4
#define ATKBD_CMD_RESET_DIS 0x00f5
#define ATKBD_CMD_RESET_DIS 0x00f5 /* Reset to defaults and disable */
#define ATKBD_CMD_RESET_DEF 0x00f6 /* Reset to defaults */
#define ATKBD_CMD_SETALL_MBR 0x00fa
#define ATKBD_CMD_RESET_BAT 0x02ff
#define ATKBD_CMD_RESEND 0x00fe
@ -836,7 +837,7 @@ static void atkbd_cleanup(struct serio *serio)
struct atkbd *atkbd = serio_get_drvdata(serio);
atkbd_disable(atkbd);
ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_BAT);
ps2_command(&atkbd->ps2dev, NULL, ATKBD_CMD_RESET_DEF);
}

5
drivers/input/mouse/psmouse-base.c
View File

@ -1137,7 +1137,10 @@ static void psmouse_cleanup(struct serio *serio)
if (psmouse->cleanup)
psmouse->cleanup(psmouse);
psmouse_reset(psmouse);
/*
* Reset the mouse to defaults (bare PS/2 protocol).
*/
ps2_command(&psmouse->ps2dev, NULL, PSMOUSE_CMD_RESET_DIS);
/*
* Some boxes, such as HP nx7400, get terribly confused if mouse