On 02/12/2017 02:38 PM, Dmitry Torokhov wrote:
On Fri, Feb 10, 2017 at 11:02:21AM +0800, Aaron Ma wrote:
Synaptics add new TP firmware ID: 0x2 and 0x3, for now both lower 2 bits
are indicated as TP. Change the constant to bitwise values.
Hmm, I thought IBM/Lenovo owned trackpoint support... Andrew, is it
yours now?
No, it should still be Lenovo's trackpoint.
Andrew
Aaron, what devices have these new trackpoints>?
Thanks.
Signed-off-by: Aaron Ma <aaron.ma@xxxxxxxxxxxxx>
Cc: stable@xxxxxxxxxxxxxxx
---
drivers/input/mouse/trackpoint.c | 3 ++-
drivers/input/mouse/trackpoint.h | 3 ++-
2 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/drivers/input/mouse/trackpoint.c b/drivers/input/mouse/trackpoint.c
index 7331084..9ff0f38 100644
--- a/drivers/input/mouse/trackpoint.c
+++ b/drivers/input/mouse/trackpoint.c
@@ -265,7 +265,8 @@ static int trackpoint_start_protocol(struct psmouse *psmouse, unsigned char *fir
if (ps2_command(&psmouse->ps2dev, param, MAKE_PS2_CMD(0, 2, TP_READ_ID)))
return -1;
- if (param[0] != TP_MAGIC_IDENT)
+ /* add new TP ID. */
+ if (!(param[0] & TP_MAGIC_IDENT))
return -1;
if (firmware_id)
diff --git a/drivers/input/mouse/trackpoint.h b/drivers/input/mouse/trackpoint.h
index 5617ed3..8805575 100644
--- a/drivers/input/mouse/trackpoint.h
+++ b/drivers/input/mouse/trackpoint.h
@@ -21,8 +21,9 @@
#define TP_COMMAND 0xE2 /* Commands start with this */
#define TP_READ_ID 0xE1 /* Sent for device identification */
-#define TP_MAGIC_IDENT 0x01 /* Sent after a TP_READ_ID followed */
+#define TP_MAGIC_IDENT 0x03 /* Sent after a TP_READ_ID followed */
/* by the firmware ID */
+ /* Firmware ID includes 0x1, 0x2, 0x3 */
/*
--
2.9.3
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