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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-20 09:49:41 +0900
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-05-20 09:49:41 +0900
commitcea35899a02226b70baeee7e179d7a7c6e814b98 (patch)
tree19621a7ae67df5f398071791d52489a464b1b30a /drivers/input/mouse
parent53971a86d2db89f32859dc26bd6594b5bc665d5b (diff)
parentd6d211db37e75de2ddc3a4f979038c40df7cc79c (diff)
downloadtalos-op-linux-cea35899a02226b70baeee7e179d7a7c6e814b98.tar.gz
talos-op-linux-cea35899a02226b70baeee7e179d7a7c6e814b98.zip
Merge 3.15-rc5 into usb-next
We need these USB fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/input/mouse')
-rw-r--r--drivers/input/mouse/elantech.c26
-rw-r--r--drivers/input/mouse/elantech.h1
-rw-r--r--drivers/input/mouse/synaptics.c8
3 files changed, 34 insertions, 1 deletions
diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c
index 088d3541c7d3..b96e978a37b7 100644
--- 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 036a04abaef7..9e0e2a1f340d 100644
--- 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 ef9f4913450d..d68d33fb5ac2 100644
--- 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"),
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