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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-13 18:05:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-13 18:05:13 -0700
commit18fb38e2f58ff7a66e30cbb71af81425edf1c9a1 (patch)
tree8ff2cc5b0d1a11c87a0e2576d6fe863b87faf69a /drivers/input/mouse/elantech.c
parentMerge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net (diff)
parentMerge branch 'next' into for-linus (diff)
downloadlinux-dev-18fb38e2f58ff7a66e30cbb71af81425edf1c9a1.tar.xz
linux-dev-18fb38e2f58ff7a66e30cbb71af81425edf1c9a1.zip
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull second round of input updates from Dmitry Torokhov: "An update to Elantech driver to support hardware v7, fix to the new cyttsp4 driver to use proper addressing, ads7846 device tree support and nspire-keypad got a small cleanup." * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: nspire-keypad - replace magic offset with define Input: elantech - fix for newer hardware versions (v7) Input: cyttsp4 - use 16bit address for I2C/SPI communication Input: ads7846 - add device tree bindings Input: ads7846 - make sure we do not change platform data
Diffstat (limited to 'drivers/input/mouse/elantech.c')
-rw-r--r--drivers/input/mouse/elantech.c17
1 files changed, 9 insertions, 8 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 1e8e42fb03a4..57b2637e153a 100644
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -694,18 +694,18 @@ static int elantech_packet_check_v3(struct psmouse *psmouse)
static int elantech_packet_check_v4(struct psmouse *psmouse)
{
unsigned char *packet = psmouse->packet;
+ unsigned char packet_type = packet[3] & 0x03;
- if ((packet[0] & 0x0c) == 0x04 &&
- (packet[3] & 0x1f) == 0x11)
+ switch (packet_type) {
+ case 0:
+ return PACKET_V4_STATUS;
+
+ case 1:
return PACKET_V4_HEAD;
- if ((packet[0] & 0x0c) == 0x04 &&
- (packet[3] & 0x1f) == 0x12)
+ case 2:
return PACKET_V4_MOTION;
-
- if ((packet[0] & 0x0c) == 0x04 &&
- (packet[3] & 0x1f) == 0x10)
- return PACKET_V4_STATUS;
+ }
return PACKET_UNKNOWN;
}
@@ -1282,6 +1282,7 @@ static int elantech_set_properties(struct elantech_data *etd)
etd->hw_version = 3;
break;
case 6:
+ case 7:
etd->hw_version = 4;
break;
default: