Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input

Pull input subsystem fixes from Dmitry Torokhov.

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: uinput - fix ioctl nr overflow for UI_GET_SYSNAME/VERSION
  Input: I8042 - add Acer Aspire 7738 to the nomux list
  Input: elantech - support new ICs types for version 4
  Input: i8042 - reset keyboard to fix Elantech touchpad detection
  MAINTAINERS: remove Dmitry Torokhov's alternate address

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 4df73da..176d4fe 100644 (file)
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1277,6 +1277,7 @@ bytes respectively. Such letter suffixes can also be entirely omitted.
        i8042.notimeout [HW] Ignore timeout condition signalled by controller
        i8042.reset     [HW] Reset the controller during init and cleanup
        i8042.unlock    [HW] Unlock (ignore) the keylock
+       i8042.kbdreset  [HW] Reset device connected to KBD port
 
        i810=           [HW,DRM]
 

diff --git a/MAINTAINERS b/MAINTAINERS
index 2fa3853..2e99241 100644 (file)
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4930,7 +4930,6 @@ F:        include/uapi/linux/inotify.h
 
 INPUT (KEYBOARD, MOUSE, JOYSTICK, TOUCHSCREEN) DRIVERS
 M:     Dmitry Torokhov <dmitry.torokhov@gmail.com>
-M:     Dmitry Torokhov <dtor@mail.ru>
 L:     linux-input@vger.kernel.org
 Q:     http://patchwork.kernel.org/project/linux-input/list/
 T:     git git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input.git

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index f2b9780..77ecf6d 100644 (file)
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -1520,6 +1520,8 @@ static int elantech_set_properties(struct elantech_data *etd)
                case 7:
                case 8:
                case 9:
+               case 10:
+               case 13:
                        etd->hw_version = 4;
                        break;
                default:

diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h
index c66d1b5..764857b 100644 (file)
--- a/drivers/input/serio/i8042-x86ia64io.h
+++ b/drivers/input/serio/i8042-x86ia64io.h
@@ -414,6 +414,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
                        DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
                },
        },
+       {
+               /* Acer Aspire 7738 */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
+               },
+       },
        {
                /* Gericom Bellagio */
                .matches = {
@@ -745,6 +752,35 @@ static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
        { }
 };
 
+/*
+ * Some laptops need keyboard reset before probing for the trackpad to get
+ * it detected, initialised & finally work.
+ */
+static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
+       {
+               /* Gigabyte P35 v2 - Elantech touchpad */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
+               },
+       },
+               {
+               /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
+               },
+       },
+       {
+               /* Gigabyte P34 - Elantech touchpad */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
+               },
+       },
+       { }
+};
+
 #endif /* CONFIG_X86 */
 
 #ifdef CONFIG_PNP
@@ -1040,6 +1076,9 @@ static int __init i8042_platform_init(void)
        if (dmi_check_system(i8042_dmi_dritek_table))
                i8042_dritek = true;
 
+       if (dmi_check_system(i8042_dmi_kbdreset_table))
+               i8042_kbdreset = true;
+
        /*
         * A20 was already enabled during early kernel init. But some buggy
         * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to

diff --git a/drivers/input/serio/i8042.c b/drivers/input/serio/i8042.c
index 924e4bf..986a71c 100644 (file)
--- a/drivers/input/serio/i8042.c
+++ b/drivers/input/serio/i8042.c
@@ -67,6 +67,10 @@ static bool i8042_notimeout;
 module_param_named(notimeout, i8042_notimeout, bool, 0);
 MODULE_PARM_DESC(notimeout, "Ignore timeouts signalled by i8042");
 
+static bool i8042_kbdreset;
+module_param_named(kbdreset, i8042_kbdreset, bool, 0);
+MODULE_PARM_DESC(kbdreset, "Reset device connected to KBD port");
+
 #ifdef CONFIG_X86
 static bool i8042_dritek;
 module_param_named(dritek, i8042_dritek, bool, 0);
@@ -789,6 +793,16 @@ static int __init i8042_check_aux(void)
        if (i8042_toggle_aux(true))
                return -1;
 
+/*
+ * Reset keyboard (needed on some laptops to successfully detect
+ * touchpad, e.g., some Gigabyte laptop models with Elantech
+ * touchpads).
+ */
+       if (i8042_kbdreset) {
+               pr_warn("Attempting to reset device connected to KBD port\n");
+               i8042_kbd_write(NULL, (unsigned char) 0xff);
+       }
+
 /*
  * Test AUX IRQ delivery to make sure BIOS did not grab the IRQ and
  * used it for a PCI card or somethig else.

diff --git a/include/uapi/linux/uinput.h b/include/uapi/linux/uinput.h
index baeab83..013c9d8 100644 (file)
--- a/include/uapi/linux/uinput.h
+++ b/include/uapi/linux/uinput.h
@@ -82,7 +82,7 @@ struct uinput_ff_erase {
  * The complete sysfs path is then /sys/devices/virtual/input/--NAME--
  * Usually, it is in the form "inputN"
  */
-#define UI_GET_SYSNAME(len)    _IOC(_IOC_READ, UINPUT_IOCTL_BASE, 300, len)
+#define UI_GET_SYSNAME(len)    _IOC(_IOC_READ, UINPUT_IOCTL_BASE, 44, len)
 
 /**
  * UI_GET_VERSION - Return version of uinput protocol
@@ -91,7 +91,7 @@ struct uinput_ff_erase {
  * the integer pointed to by the ioctl argument. The protocol version
  * is hard-coded in the kernel and is independent of the uinput device.
  */
-#define UI_GET_VERSION         _IOR(UINPUT_IOCTL_BASE, 301, unsigned int)
+#define UI_GET_VERSION         _IOR(UINPUT_IOCTL_BASE, 45, unsigned int)
 
 /*
  * To write a force-feedback-capable driver, the upload_effect