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authorDmitry Torokhov <dtor_core@ameritech.net>2005-05-29 11:30:37 +0400
committerDmitry Torokhov <dtor_core@ameritech.net>2005-05-29 11:30:37 +0400
commita913829e90e2af7a6e98f5aadcc9fec4dcf1ef64 (patch)
tree55c2ecfc9552b5df1ccbcf3b101880fb7c364c2e /drivers/input/mouse/lifebook.c
parenta15d60f867408a4d8ce46359d9eb677818349e5b (diff)
downloadlinux-a913829e90e2af7a6e98f5aadcc9fec4dcf1ef64.tar.xz
Input: apparently Lifebook touchscreens have double resolution
compared to "classic" PS/2 mice, provide appropriate resolution setting handler. Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
Diffstat (limited to 'drivers/input/mouse/lifebook.c')
-rw-r--r--drivers/input/mouse/lifebook.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/input/mouse/lifebook.c b/drivers/input/mouse/lifebook.c
index 1eb98e18c9e7..bd9df9b28325 100644
--- a/drivers/input/mouse/lifebook.c
+++ b/drivers/input/mouse/lifebook.c
@@ -82,6 +82,17 @@ static int lifebook_absolute_mode(struct psmouse *psmouse)
return 0;
}
+static void lifebook_set_resolution(struct psmouse *psmouse, unsigned int resolution)
+{
+ unsigned char params[] = { 0, 1, 2, 2, 3 };
+
+ if (resolution == 0 || resolution > 400)
+ resolution = 400;
+
+ ps2_command(&psmouse->ps2dev, &params[resolution / 100], PSMOUSE_CMD_SETRES);
+ psmouse->resolution = 50 << params[resolution / 100];
+}
+
static void lifebook_disconnect(struct psmouse *psmouse)
{
psmouse_reset(psmouse);
@@ -113,6 +124,7 @@ int lifebook_init(struct psmouse *psmouse)
input_set_abs_params(&psmouse->dev, ABS_Y, 0, 1024, 0, 0);
psmouse->protocol_handler = lifebook_process_byte;
+ psmouse->set_resolution = lifebook_set_resolution;
psmouse->disconnect = lifebook_disconnect;
psmouse->reconnect = lifebook_absolute_mode;
psmouse->pktsize = 3;