[PATCH 1/5] Input: elantech - use elantech_report_trackpoint for hardware v4 too
From: Ulrik De Bie <hidden>
Date: 2014-08-30 14:11:28
Subsystem:
input (keyboard, mouse, joystick, touchscreen) drivers, the rest · Maintainers:
Dmitry Torokhov, Linus Torvalds
The Fujitsu H730 has hardware v4 with a trackpoint. This enables the elantech_report_trackpoint for v4. Reported-by: Stefan Valouch <redacted> Tested-by: Stefan Valouch <redacted> Tested-by: Alfredo Gemma <redacted> Signed-off-by: Ulrik De Bie <redacted> --- drivers/input/mouse/elantech.c | 16 ++++++++++++++-- 1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index da51738..f0a55b4d 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c@@ -792,6 +792,9 @@ static int elantech_packet_check_v4(struct psmouse *psmouse) unsigned char packet_type = packet[3] & 0x03; bool sanity_check; + if ((packet[3]&0x0f) == 0x06) + return PACKET_TRACKPOINT; + /* * Sanity check based on the constant bits of a packet. * The constant bits change depending on the value of
@@ -877,10 +880,19 @@ static psmouse_ret_t elantech_process_byte(struct psmouse *psmouse) case 4: packet_type = elantech_packet_check_v4(psmouse); - if (packet_type == PACKET_UNKNOWN) + switch (packet_type) { + case PACKET_UNKNOWN: return PSMOUSE_BAD_DATA; - elantech_report_absolute_v4(psmouse, packet_type); + case PACKET_TRACKPOINT: + elantech_report_trackpoint(psmouse, packet_type); + break; + + default: + elantech_report_absolute_v4(psmouse, packet_type); + break; + } + break; }
--
2.1.0