From: Dudley Du <d...@cypress.com> Original code contributed by Dudley Du (Cypress Semiconductor Corporation), modified by Kamal Mostafa.
BugLink: http://launchpad.net/bugs/978807 Signed-off-by: Dudley Du <d...@cypress.com> Signed-off-by: Kamal Mostafa <ka...@canonical.com> Signed-off-by: Mario Limonciello <mario_limoncie...@dell.com> Signed-off-by: Tim Gardner <tim.gard...@canonical.com> --- drivers/input/mouse/Kconfig | 10 ++++++++++ drivers/input/mouse/Makefile | 1 + drivers/input/mouse/psmouse-base.c | 32 ++++++++++++++++++++++++++++++++ drivers/input/mouse/psmouse.h | 1 + 4 files changed, 44 insertions(+) diff --git a/drivers/input/mouse/Kconfig b/drivers/input/mouse/Kconfig index cd6268c..88954dd 100644 --- a/drivers/input/mouse/Kconfig +++ b/drivers/input/mouse/Kconfig @@ -68,6 +68,16 @@ config MOUSE_PS2_SYNAPTICS If unsure, say Y. +config MOUSE_PS2_CYPRESS + bool "Cypress PS/2 mouse protocol extension" if EXPERT + default y + depends on MOUSE_PS2 + help + Say Y here if you have a Cypress PS/2 Trackpad connected to + your system. + + If unsure, say Y. + config MOUSE_PS2_LIFEBOOK bool "Fujitsu Lifebook PS/2 mouse protocol extension" if EXPERT default y diff --git a/drivers/input/mouse/Makefile b/drivers/input/mouse/Makefile index 46ba755..323e352 100644 --- a/drivers/input/mouse/Makefile +++ b/drivers/input/mouse/Makefile @@ -32,3 +32,4 @@ psmouse-$(CONFIG_MOUSE_PS2_LIFEBOOK) += lifebook.o psmouse-$(CONFIG_MOUSE_PS2_SENTELIC) += sentelic.o psmouse-$(CONFIG_MOUSE_PS2_TRACKPOINT) += trackpoint.o psmouse-$(CONFIG_MOUSE_PS2_TOUCHKIT) += touchkit_ps2.o +psmouse-$(CONFIG_MOUSE_PS2_CYPRESS) += cypress_ps2.o diff --git a/drivers/input/mouse/psmouse-base.c b/drivers/input/mouse/psmouse-base.c index 22fe254..cff065f 100644 --- a/drivers/input/mouse/psmouse-base.c +++ b/drivers/input/mouse/psmouse-base.c @@ -34,6 +34,7 @@ #include "touchkit_ps2.h" #include "elantech.h" #include "sentelic.h" +#include "cypress_ps2.h" #define DRIVER_DESC "PS/2 mouse driver" @@ -759,6 +760,28 @@ static int psmouse_extensions(struct psmouse *psmouse, } /* + * Try Cypress Trackpad. + * Must try it before Finger Sensing Pad because Finger Sensing Pad probe + * upsets some modules of Cypress Trackpads. + */ + if (max_proto > PSMOUSE_IMEX && + cypress_detect(psmouse, set_properties) == 0) { + if (cypress_supported()) { + if (cypress_init(psmouse) == 0) + return PSMOUSE_CYPRESS; + + /* + * Finger Sensing Pad probe upsets some modules of + * Cypress Trackpad, must avoid Finger Sensing Pad + * probe if Cypress Trackpad device detected. + */ + return PSMOUSE_PS2; + } + + max_proto = PSMOUSE_IMEX; + } + +/* * Try ALPS TouchPad */ if (max_proto > PSMOUSE_IMEX) { @@ -896,6 +919,15 @@ static const struct psmouse_protocol psmouse_protocols[] = { .alias = "thinkps", .detect = thinking_detect, }, +#ifdef CONFIG_MOUSE_PS2_CYPRESS + { + .type = PSMOUSE_CYPRESS, + .name = "CyPS/2", + .alias = "cypress", + .detect = cypress_detect, + .init = cypress_init, + }, +#endif { .type = PSMOUSE_GENPS, .name = "GenPS/2", diff --git a/drivers/input/mouse/psmouse.h b/drivers/input/mouse/psmouse.h index fe1df23..2f0b39d 100644 --- a/drivers/input/mouse/psmouse.h +++ b/drivers/input/mouse/psmouse.h @@ -95,6 +95,7 @@ enum psmouse_type { PSMOUSE_ELANTECH, PSMOUSE_FSP, PSMOUSE_SYNAPTICS_RELATIVE, + PSMOUSE_CYPRESS, PSMOUSE_AUTO /* This one should always be last */ }; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
