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Input: elan_i2c - add new trackpoint report type 0x5F

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The 0x5F is a new trackpoint report type used by some modules.

Signed-off-by: Jingle Wu <jingle.wu@emc.com.tw>
Link: https://lore.kernel.org/r/20201211071511.32349-1-jingle.wu@emc.com.tw
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Jingle Wu 2020-12-10 23:40:09 -08:00 committed by Dmitry Torokhov
parent c18b443ca5
commit 056115daed
3 changed files with 23 additions and 14 deletions
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16
drivers/input/mouse/elan_i2c.h
View file

@ -28,6 +28,22 @@
#define ETP_FEATURE_REPORT_MK BIT(0)
#define ETP_REPORT_ID 0x5D
#define ETP_TP_REPORT_ID 0x5E
#define ETP_TP_REPORT_ID2 0x5F
#define ETP_REPORT_ID2 0x60 /* High precision report */
#define ETP_REPORT_ID_OFFSET 2
#define ETP_TOUCH_INFO_OFFSET 3
#define ETP_FINGER_DATA_OFFSET 4
#define ETP_HOVER_INFO_OFFSET 30
#define ETP_MK_DATA_OFFSET 33 /* For high precision reports */
#define ETP_MAX_REPORT_LEN 39
#define ETP_MAX_FINGERS 5
#define ETP_FINGER_DATA_LEN 5
/* IAP Firmware handling */
#define ETP_PRODUCT_ID_FORMAT_STRING "%d.0"
#define ETP_FW_NAME "elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"

13
drivers/input/mouse/elan_i2c_core.c
View file

@ -46,18 +46,6 @@
#define ETP_FINGER_WIDTH 15
#define ETP_RETRY_COUNT 3
#define ETP_MAX_FINGERS 5
#define ETP_FINGER_DATA_LEN 5
#define ETP_REPORT_ID 0x5D
#define ETP_REPORT_ID2 0x60 /* High precision report */
#define ETP_TP_REPORT_ID 0x5E
#define ETP_REPORT_ID_OFFSET 2
#define ETP_TOUCH_INFO_OFFSET 3
#define ETP_FINGER_DATA_OFFSET 4
#define ETP_HOVER_INFO_OFFSET 30
#define ETP_MK_DATA_OFFSET 33 /* For high precision reports */
#define ETP_MAX_REPORT_LEN 39
/* The main device structure */
struct elan_tp_data {
struct i2c_client *client;
@ -1074,6 +1062,7 @@ static irqreturn_t elan_isr(int irq, void *dev_id)
elan_report_absolute(data, report, true);
break;
case ETP_TP_REPORT_ID:
case ETP_TP_REPORT_ID2:
elan_report_trackpoint(data, report);
break;
default:

8
drivers/input/mouse/elan_i2c_smbus.c
View file

@ -45,6 +45,7 @@
#define ETP_SMBUS_CALIBRATE_QUERY 0xC5
#define ETP_SMBUS_REPORT_LEN 32
#define ETP_SMBUS_REPORT_LEN2 7
#define ETP_SMBUS_REPORT_OFFSET 2
#define ETP_SMBUS_HELLOPACKET_LEN 5
#define ETP_SMBUS_IAP_PASSWORD 0x1234
@ -497,10 +498,13 @@ static int elan_smbus_get_report(struct i2c_client *client,
return len;
}
if (len != ETP_SMBUS_REPORT_LEN) {
if (report[ETP_REPORT_ID_OFFSET] == ETP_TP_REPORT_ID2)
report_len = ETP_SMBUS_REPORT_LEN2;
if (len != report_len) {
dev_err(&client->dev,
"wrong report length (%d vs %d expected)\n",
len, ETP_SMBUS_REPORT_LEN);
len, report_len);
return -EIO;
}