From: Dario Binacchi <dario.binacchi@amarulasolutions.com>
To: linux-kernel@vger.kernel.org
Cc: Dario Binacchi <dario.binacchi@amarulasolutions.com>,
Michael Trimarchi <michael@amarulasolutions.com>,
Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Marco Felsch <m.felsch@pengutronix.de>,
Oliver Graute <oliver.graute@kococonnector.com>,
Stephan Gerhold <stephan@gerhold.net>,
linux-input@vger.kernel.org
Subject: [RESEND PATCH v4 3/6] Input: edt-ft5x06 - set report rate by dts property
Date: Thu, 21 Apr 2022 21:00:00 +0200 [thread overview]
Message-ID: <20220421190003.3228699-4-dario.binacchi@amarulasolutions.com> (raw)
In-Reply-To: <20220421190003.3228699-1-dario.binacchi@amarulasolutions.com>
It allows to change the M06/M12 default scan rate on driver probing.
Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
---
(no changes since v3)
Changes in v3:
- Check the lower and upper limits of the report-rate-hz value
- Convert the M06 report-rate-hz value
drivers/input/touchscreen/edt-ft5x06.c | 30 ++++++++++++++++++++++++++
1 file changed, 30 insertions(+)
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index 77f061af5c61..843e8b0522f7 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -1084,6 +1084,7 @@ static int edt_ft5x06_ts_probe(struct i2c_client *client,
struct input_dev *input;
unsigned long irq_flags;
int error;
+ u32 report_rate;
char fw_version[EDT_NAME_LEN];
dev_dbg(&client->dev, "probing for EDT FT5x06 I2C\n");
@@ -1213,6 +1214,35 @@ 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-hz",
+ &report_rate)) {
+ tsdata->report_rate = report_rate;
+ if (tsdata->version == EDT_M06) {
+ if (report_rate < 30)
+ report_rate = 30;
+ else if (report_rate > 140)
+ report_rate = 140;
+ } else if (report_rate < 1) {
+ report_rate = 1;
+ } else if (report_rate > 255)
+ report_rate = 255;
+
+ if (report_rate != tsdata->report_rate)
+ dev_warn(&client->dev,
+ "report-rate %dHz is unsupported, use %dHz\n",
+ tsdata->report_rate, report_rate);
+
+ if (tsdata->version == EDT_M06)
+ report_rate /= 10;
+
+ tsdata->report_rate = 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
next prev parent reply other threads:[~2022-04-21 19:01 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-04-21 18:59 [RESEND PATCH v4 0/6] Input: edt-ft5x06 - Improve configuration Dario Binacchi
2022-04-21 18:59 ` [RESEND PATCH v4 1/6] dt-bindings: input: touchscreen: edt-ft5x06: add report-rate-hz Dario Binacchi
2022-04-21 18:59 ` [RESEND PATCH v4 2/6] Input: edt-ft5x06 - get/set M12 report rate by sysfs Dario Binacchi
2022-04-21 19:00 ` Dario Binacchi [this message]
2022-04-21 19:00 ` [RESEND PATCH v4 4/6] Input: edt-ft5x06 - show model name " Dario Binacchi
2022-04-21 19:00 ` [RESEND PATCH v4 5/6] Input: edt-ft5x06 - show firmware version " Dario Binacchi
2022-04-21 19:00 ` [RESEND PATCH v4 6/6] Input: edt-ft5x06 - show crc and header errors " Dario Binacchi
2022-05-05 15:56 [RESEND PATCH v4 0/6] Input: edt-ft5x06 - Improve configuration Dario Binacchi
2022-05-05 15:56 ` [RESEND PATCH v4 3/6] Input: edt-ft5x06 - set report rate by dts property Dario Binacchi
2022-06-07 9:55 [RESEND PATCH v4 0/6] Input: edt-ft5x06 - Improve configuration Dario Binacchi
2022-06-07 9:55 ` [RESEND PATCH v4 3/6] Input: edt-ft5x06 - set report rate by dts property Dario Binacchi
2022-06-21 12:39 [RESEND PATCH v4 0/6] Input: edt-ft5x06 - Improve configuration Dario Binacchi
2022-06-21 12:39 ` [RESEND PATCH v4 3/6] Input: edt-ft5x06 - set report rate by dts property Dario Binacchi
2022-06-29 5:04 ` Dmitry Torokhov
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