linux-input.vger.kernel.org archive mirror
 help / color / mirror / Atom feed
From: "jingle.wu" <jingle.wu@emc.com.tw>
To: linux-kernel@vger.kernel.org, linux-input@vger.kernel.org,
	dmitry.torokhov@gmail.com
Cc: phoenix@emc.com.tw, josh.chen@emc.com.tw, dave.wang@emc.com.tw,
	"jingle.wu" <jingle.wu@emc.com.tw>
Subject: [PATCH 1/2] Input: elan_i2c - Add new trackpoint report type 0x5F.
Date: Fri, 11 Dec 2020 15:15:11 +0800	[thread overview]
Message-ID: <20201211071511.32349-1-jingle.wu@emc.com.tw> (raw)

The 0x5F is new trackpoint report type of some module.

Signed-off-by: Jingle Wu <jingle.wu@emc.com.tw>
---
 drivers/input/mouse/elan_i2c.h       | 6 ++++++
 drivers/input/mouse/elan_i2c_core.c  | 5 +----
 drivers/input/mouse/elan_i2c_smbus.c | 8 ++++++--
 3 files changed, 13 insertions(+), 6 deletions(-)

diff --git a/drivers/input/mouse/elan_i2c.h b/drivers/input/mouse/elan_i2c.h
index 36e3cd908671..d5f9cd76eefb 100644
--- a/drivers/input/mouse/elan_i2c.h
+++ b/drivers/input/mouse/elan_i2c.h
@@ -28,6 +28,12 @@
 
 #define ETP_FEATURE_REPORT_MK	BIT(0)
 
+#define ETP_REPORT_ID		0x5D
+#define ETP_REPORT_ID2		0x60	/* High precision report */
+#define ETP_TP_REPORT_ID	0x5E
+#define ETP_TP_REPORT_ID2	0x5F
+#define ETP_REPORT_ID_OFFSET	2
+
 /* IAP Firmware handling */
 #define ETP_PRODUCT_ID_FORMAT_STRING	"%d.0"
 #define ETP_FW_NAME		"elan_i2c_" ETP_PRODUCT_ID_FORMAT_STRING ".bin"
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 61ed3f5ca219..0f46e2f6c9e8 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -49,10 +49,6 @@
 
 #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
@@ -1076,6 +1072,7 @@ 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:
diff --git a/drivers/input/mouse/elan_i2c_smbus.c b/drivers/input/mouse/elan_i2c_smbus.c
index 1820f1cfc1dc..6dc148b9d959 100644
--- a/drivers/input/mouse/elan_i2c_smbus.c
+++ b/drivers/input/mouse/elan_i2c_smbus.c
@@ -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;
 	}
 
-- 
2.17.1


             reply	other threads:[~2020-12-11  7:16 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-12-11  7:15 jingle.wu [this message]
2020-12-11 21:48 ` Dmitry Torokhov
  -- strict thread matches above, loose matches on Subject: below --
2020-12-07  9:07 jingle.wu
2020-12-10  6:14 ` Dmitry Torokhov
2020-12-11  2:38   ` jingle
2020-12-11  3:04     ` 'Dmitry Torokhov'
2020-12-07  8:50 jingle.wu

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20201211071511.32349-1-jingle.wu@emc.com.tw \
    --to=jingle.wu@emc.com.tw \
    --cc=dave.wang@emc.com.tw \
    --cc=dmitry.torokhov@gmail.com \
    --cc=josh.chen@emc.com.tw \
    --cc=linux-input@vger.kernel.org \
    --cc=linux-kernel@vger.kernel.org \
    --cc=phoenix@emc.com.tw \
    --subject='Re: [PATCH 1/2] Input: elan_i2c - Add new trackpoint report type 0x5F.' \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).