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

Pull input subsystem fixes from Dmitry Torokhov:
 "Just a few fixups to various drivers"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: elantech - fix touchpad initialization on Gigabyte U2442
  Input: tca8418 - fix loading this driver as a module from a device tree
  Input: bma150 - extend chip detection for bma180
  Input: atkbd - fix keyboard not working on some LG laptops
  Input: synaptics - add min/max quirk for ThinkPad Edge E431

diff --git a/Documentation/input/elantech.txt b/Documentation/input/elantech.txt
index 5602eb7..e1ae127 100644 (file)
--- a/Documentation/input/elantech.txt
+++ b/Documentation/input/elantech.txt
@@ -504,9 +504,12 @@ byte 5:
 * reg_10
 
    bit   7   6   5   4   3   2   1   0
-         0   0   0   0   0   0   0   A
+         0   0   0   0   R   F   T   A
 
          A: 1 = enable absolute tracking
+         T: 1 = enable two finger mode auto correct
+         F: 1 = disable ABS Position Filter
+         R: 1 = enable real hardware resolution
 
 6.2 Native absolute mode 6 byte packet format
     ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index 2626773..2dd1d0d 100644 (file)
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -243,6 +243,12 @@ static void (*atkbd_platform_fixup)(struct atkbd *, const void *data);
 static void *atkbd_platform_fixup_data;
 static unsigned int (*atkbd_platform_scancode_fixup)(struct atkbd *, unsigned int);
 
+/*
+ * Certain keyboards to not like ATKBD_CMD_RESET_DIS and stop responding
+ * to many commands until full reset (ATKBD_CMD_RESET_BAT) is performed.
+ */
+static bool atkbd_skip_deactivate;
+
 static ssize_t atkbd_attr_show_helper(struct device *dev, char *buf,
                                ssize_t (*handler)(struct atkbd *, char *));
 static ssize_t atkbd_attr_set_helper(struct device *dev, const char *buf, size_t count,
@@ -768,7 +774,8 @@ static int atkbd_probe(struct atkbd *atkbd)
  * Make sure nothing is coming from the keyboard and disturbs our
  * internal state.
  */
-       atkbd_deactivate(atkbd);
+       if (!atkbd_skip_deactivate)
+               atkbd_deactivate(atkbd);
 
        return 0;
 }
@@ -1638,6 +1645,12 @@ static int __init atkbd_setup_scancode_fixup(const struct dmi_system_id *id)
        return 1;
 }
 
+static int __init atkbd_deactivate_fixup(const struct dmi_system_id *id)
+{
+       atkbd_skip_deactivate = true;
+       return 1;
+}
+
 static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
        {
                .matches = {
@@ -1775,6 +1788,20 @@ static const struct dmi_system_id atkbd_dmi_quirk_table[] __initconst = {
                .callback = atkbd_setup_scancode_fixup,
                .driver_data = atkbd_oqo_01plus_scancode_fixup,
        },
+       {
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "LW25-B7HV"),
+               },
+               .callback = atkbd_deactivate_fixup,
+       },
+       {
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "LG Electronics"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "P1-J273B"),
+               },
+               .callback = atkbd_deactivate_fixup,
+       },
        { }
 };
 

diff --git a/drivers/input/keyboard/tca8418_keypad.c b/drivers/input/keyboard/tca8418_keypad.c
index 55c1530..4e491c1 100644 (file)
--- a/drivers/input/keyboard/tca8418_keypad.c
+++ b/drivers/input/keyboard/tca8418_keypad.c
@@ -392,6 +392,13 @@ static const struct of_device_id tca8418_dt_ids[] = {
        { }
 };
 MODULE_DEVICE_TABLE(of, tca8418_dt_ids);
+
+/*
+ * The device tree based i2c loader looks for
+ * "i2c:" + second_component_of(property("compatible"))
+ * and therefore we need an alias to be found.
+ */
+MODULE_ALIAS("i2c:tca8418");
 #endif
 
 static struct i2c_driver tca8418_keypad_driver = {

diff --git a/drivers/input/misc/bma150.c b/drivers/input/misc/bma150.c
index 52d3a9b..b36831c 100644 (file)
--- a/drivers/input/misc/bma150.c
+++ b/drivers/input/misc/bma150.c
@@ -70,6 +70,7 @@
 #define BMA150_CFG_5_REG       0x11
 
 #define BMA150_CHIP_ID         2
+#define BMA180_CHIP_ID         3
 #define BMA150_CHIP_ID_REG     BMA150_DATA_0_REG
 
 #define BMA150_ACC_X_LSB_REG   BMA150_DATA_2_REG
@@ -539,7 +540,7 @@ static int bma150_probe(struct i2c_client *client,
        }
 
        chip_id = i2c_smbus_read_byte_data(client, BMA150_CHIP_ID_REG);
-       if (chip_id != BMA150_CHIP_ID) {
+       if (chip_id != BMA150_CHIP_ID && chip_id != BMA180_CHIP_ID) {
                dev_err(&client->dev, "BMA150 chip id error: %d\n", chip_id);
                return -EINVAL;
        }
@@ -643,6 +644,7 @@ static UNIVERSAL_DEV_PM_OPS(bma150_pm, bma150_suspend, bma150_resume, NULL);
 
 static const struct i2c_device_id bma150_id[] = {
        { "bma150", 0 },
+       { "bma180", 0 },
        { "smb380", 0 },
        { "bma023", 0 },
        { }

diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 088d354..b96e978 100644 (file)
--- a/drivers/input/mouse/elantech.c
+++ b/drivers/input/mouse/elantech.c
@@ -11,6 +11,7 @@
  */
 
 #include <linux/delay.h>
+#include <linux/dmi.h>
 #include <linux/slab.h>
 #include <linux/module.h>
 #include <linux/input.h>
@@ -831,7 +832,11 @@ static int elantech_set_absolute_mode(struct psmouse *psmouse)
                break;
 
        case 3:
-               etd->reg_10 = 0x0b;
+               if (etd->set_hw_resolution)
+                       etd->reg_10 = 0x0b;
+               else
+                       etd->reg_10 = 0x03;
+
                if (elantech_write_reg(psmouse, 0x10, etd->reg_10))
                        rc = -1;
 
@@ -1331,6 +1336,22 @@ static int elantech_reconnect(struct psmouse *psmouse)
 }
 
 /*
+ * Some hw_version 3 models go into error state when we try to set bit 3 of r10
+ */
+static const struct dmi_system_id no_hw_res_dmi_table[] = {
+#if defined(CONFIG_DMI) && defined(CONFIG_X86)
+       {
+               /* Gigabyte U2442 */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
+                       DMI_MATCH(DMI_PRODUCT_NAME, "U2442"),
+               },
+       },
+#endif
+       { }
+};
+
+/*
  * determine hardware version and set some properties according to it.
  */
 static int elantech_set_properties(struct elantech_data *etd)
@@ -1390,6 +1411,9 @@ static int elantech_set_properties(struct elantech_data *etd)
         */
        etd->crc_enabled = ((etd->fw_version & 0x4000) == 0x4000);
 
+       /* Enable real hardware resolution on hw_version 3 ? */
+       etd->set_hw_resolution = !dmi_check_system(no_hw_res_dmi_table);
+
        return 0;
 }
 

diff --git a/drivers/input/mouse/elantech.h b/drivers/input/mouse/elantech.h
index 036a04a..9e0e2a1 100644 (file)
--- a/drivers/input/mouse/elantech.h
+++ b/drivers/input/mouse/elantech.h
@@ -130,6 +130,7 @@ struct elantech_data {
        bool jumpy_cursor;
        bool reports_pressure;
        bool crc_enabled;
+       bool set_hw_resolution;
        unsigned char hw_version;
        unsigned int fw_version;
        unsigned int single_finger_reports;

diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c
index ef9f491..d68d33f 100644 (file)
--- a/drivers/input/mouse/synaptics.c
+++ b/drivers/input/mouse/synaptics.c
@@ -1566,6 +1566,14 @@ static const struct dmi_system_id min_max_dmi_table[] __initconst = {
                .driver_data = (int []){1232, 5710, 1156, 4696},
        },
        {
+               /* Lenovo ThinkPad Edge E431 */
+               .matches = {
+                       DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
+                       DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad Edge E431"),
+               },
+               .driver_data = (int []){1024, 5022, 2508, 4832},
+       },
+       {
                /* Lenovo ThinkPad T431s */
                .matches = {
                        DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),