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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2017-07-06 13:51:43 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2017-07-06 13:51:43 -0700
commitede2e7cdc58e1847cc73bd26b88a634631a43112 (patch)
treef4582f9dc0f4ec8c06975017e036479805d77a4b /drivers/input/mouse/elan_i2c_i2c.c
parent9768935264c4f0e4afd788a185d8e8d89c28e41d (diff)
parent65938133784a3092c61b00aa63d1830fb465c1ac (diff)
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Merge branch 'next' into for-linus
Prepare input updates for 4.13 merge window.
Diffstat (limited to 'drivers/input/mouse/elan_i2c_i2c.c')
-rw-r--r--drivers/input/mouse/elan_i2c_i2c.c71
1 files changed, 64 insertions, 7 deletions
diff --git a/drivers/input/mouse/elan_i2c_i2c.c b/drivers/input/mouse/elan_i2c_i2c.c
index f431da07f861..80172f25974d 100644
--- a/drivers/input/mouse/elan_i2c_i2c.c
+++ b/drivers/input/mouse/elan_i2c_i2c.c
@@ -34,9 +34,12 @@
#define ETP_I2C_DESC_CMD 0x0001
#define ETP_I2C_REPORT_DESC_CMD 0x0002
#define ETP_I2C_STAND_CMD 0x0005
+#define ETP_I2C_PATTERN_CMD 0x0100
#define ETP_I2C_UNIQUEID_CMD 0x0101
#define ETP_I2C_FW_VERSION_CMD 0x0102
-#define ETP_I2C_SM_VERSION_CMD 0x0103
+#define ETP_I2C_IC_TYPE_CMD 0x0103
+#define ETP_I2C_OSM_VERSION_CMD 0x0103
+#define ETP_I2C_NSM_VERSION_CMD 0x0104
#define ETP_I2C_XY_TRACENUM_CMD 0x0105
#define ETP_I2C_MAX_X_AXIS_CMD 0x0106
#define ETP_I2C_MAX_Y_AXIS_CMD 0x0107
@@ -239,12 +242,34 @@ static int elan_i2c_get_baseline_data(struct i2c_client *client,
return 0;
}
+static int elan_i2c_get_pattern(struct i2c_client *client, u8 *pattern)
+{
+ int error;
+ u8 val[3];
+
+ error = elan_i2c_read_cmd(client, ETP_I2C_PATTERN_CMD, val);
+ if (error) {
+ dev_err(&client->dev, "failed to get pattern: %d\n", error);
+ return error;
+ }
+ *pattern = val[1];
+
+ return 0;
+}
+
static int elan_i2c_get_version(struct i2c_client *client,
bool iap, u8 *version)
{
int error;
+ u8 pattern_ver;
u8 val[3];
+ error = elan_i2c_get_pattern(client, &pattern_ver);
+ if (error) {
+ dev_err(&client->dev, "failed to get pattern version\n");
+ return error;
+ }
+
error = elan_i2c_read_cmd(client,
iap ? ETP_I2C_IAP_VERSION_CMD :
ETP_I2C_FW_VERSION_CMD,
@@ -255,24 +280,54 @@ static int elan_i2c_get_version(struct i2c_client *client,
return error;
}
- *version = val[0];
+ if (pattern_ver == 0x01)
+ *version = iap ? val[1] : val[0];
+ else
+ *version = val[0];
return 0;
}
static int elan_i2c_get_sm_version(struct i2c_client *client,
- u8 *ic_type, u8 *version)
+ u16 *ic_type, u8 *version)
{
int error;
+ u8 pattern_ver;
u8 val[3];
- error = elan_i2c_read_cmd(client, ETP_I2C_SM_VERSION_CMD, val);
+ error = elan_i2c_get_pattern(client, &pattern_ver);
if (error) {
- dev_err(&client->dev, "failed to get SM version: %d\n", error);
+ dev_err(&client->dev, "failed to get pattern version\n");
return error;
}
- *version = val[0];
- *ic_type = val[1];
+ if (pattern_ver == 0x01) {
+ error = elan_i2c_read_cmd(client, ETP_I2C_IC_TYPE_CMD, val);
+ if (error) {
+ dev_err(&client->dev, "failed to get ic type: %d\n",
+ error);
+ return error;
+ }
+ *ic_type = be16_to_cpup((__be16 *)val);
+
+ error = elan_i2c_read_cmd(client, ETP_I2C_NSM_VERSION_CMD,
+ val);
+ if (error) {
+ dev_err(&client->dev, "failed to get SM version: %d\n",
+ error);
+ return error;
+ }
+ *version = val[1];
+ } else {
+ error = elan_i2c_read_cmd(client, ETP_I2C_OSM_VERSION_CMD, val);
+ if (error) {
+ dev_err(&client->dev, "failed to get SM version: %d\n",
+ error);
+ return error;
+ }
+ *version = val[0];
+ *ic_type = val[1];
+ }
+
return 0;
}
@@ -641,5 +696,7 @@ const struct elan_transport_ops elan_i2c_ops = {
.write_fw_block = elan_i2c_write_fw_block,
.finish_fw_update = elan_i2c_finish_fw_update,
+ .get_pattern = elan_i2c_get_pattern,
+
.get_report = elan_i2c_get_report,
};