Change alps_decode_rushmore to do all decoding itself, rather then relying
on alps_decode_pinnacle and then overriding some fields + or-ing in some
bits.
This is a preparation patch for modifying the decode functions to properly
differentiate between position and bitmap packets.
Signed-off-by: Hans de Goede <hdego...@redhat.com>
---
drivers/input/mouse/alps.c | 22 +++++++++++++++++-----
1 file changed, 17 insertions(+), 5 deletions(-)
diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c
index e6708f6..e2ae6ca 100644
--- a/drivers/input/mouse/alps.c
+++ b/drivers/input/mouse/alps.c
@@ -605,13 +605,25 @@ static int alps_decode_pinnacle(struct alps_fields *f,
unsigned char *p,
static int alps_decode_rushmore(struct alps_fields *f, unsigned char *p,
struct psmouse *psmouse)
{
- alps_decode_pinnacle(f, p, psmouse);
-
- /* Rushmore's packet decode has a bit difference with Pinnacle's */
+ f->first_mp = !!(p[4] & 0x40);
f->is_mp = !!(p[5] & 0x40);
+
f->fingers = max((p[5] & 0x3), ((p[5] >> 2) & 0x3)) + 1;
- f->x_map |= (p[5] & 0x10) << 11;
- f->y_map |= (p[5] & 0x20) << 6;
+ f->x_map = ((p[5] & 0x10) << 11) |
+ ((p[4] & 0x7e) << 8) |
+ ((p[1] & 0x7f) << 2) |
+ ((p[0] & 0x30) >> 4);
+ f->y_map = ((p[5] & 0x20) << 6) |
+ ((p[3] & 0x70) << 4) |
+ ((p[2] & 0x7f) << 1) |
+ (p[4] & 0x01);
+
+ f->st.x = ((p[1] & 0x7f) << 4) | ((p[4] & 0x30) >> 2) |
+ ((p[0] & 0x30) >> 4);
+ f->st.y = ((p[2] & 0x7f) << 4) | (p[4] & 0x0f);
+ f->pressure = p[5] & 0x7f;
+
+ alps_decode_buttons_v3(f, p);
return 0;
}
--
2.3.5
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