linux-kernel - [PATCH 3/6] Input: edt-ft5x06 - set report rate by dts property

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:   Sun, 13 Feb 2022 18:15:29 +0100
From:   Dario Binacchi <dario.binacchi@...rulasolutions.com>
To:     linux-kernel@...r.kernel.org
Cc:     Dario Binacchi <dario.binacchi@...rulasolutions.com>,
        Michael Trimarchi <michael@...rulasolutions.com>,
        Dmitry Torokhov <dmitry.torokhov@...il.com>,
        Marco Felsch <m.felsch@...gutronix.de>,
        Oliver Graute <oliver.graute@...oconnector.com>,
        Stephan Gerhold <stephan@...hold.net>,
        linux-input@...r.kernel.org
Subject: [PATCH 3/6] Input: edt-ft5x06 - set report rate by dts property

It allows to change the M06/M12 default scan rate on driver probing.

Co-developed-by: Michael Trimarchi <michael@...rulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@...rulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@...rulasolutions.com>
---

 drivers/input/touchscreen/edt-ft5x06.c | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 77f061af5c61..b3e492cfc41c 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -1213,6 +1213,14 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
 	edt_ft5x06_ts_get_defaults(&client->dev, tsdata);
 	edt_ft5x06_ts_get_parameters(tsdata);
 
+	if (tsdata->reg_addr.reg_report_rate != NO_REGISTER &&
+	    !of_property_read_u32(client->dev.of_node, "report-rate",
+				  (u32 *)&tsdata->report_rate)) {
+		edt_ft5x06_register_write(tsdata,
+					  tsdata->reg_addr.reg_report_rate,
+					  tsdata->report_rate);
+	}
+
 	dev_dbg(&client->dev,
 		"Model \"%s\", Rev. \"%s\", %dx%d sensors\n",
 		tsdata->name, fw_version, tsdata->num_x, tsdata->num_y);
-- 
2.32.0