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| author |   Dario Binacchi <dario.binacchi@amarulasolutions.com> | 2022-06-28 10:56:49 -0700 |
|---|---|---|
| committer |   Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2022-06-28 22:00:00 -0700 |
| commit | 5bcee83a406c6136fe011b7307f0f034d4e1e20b (patch) | |
| tree | 41b5b1afd5853b1ecc245498edbb7f771845cfb7 | |
| parent | Input: edt-ft5x06 - get/set M12 report rate by sysfs (diff) | |
| download | linux-dev-5bcee83a406c6136fe011b7307f0f034d4e1e20b.tar.xz linux-dev-5bcee83a406c6136fe011b7307f0f034d4e1e20b.zip | |
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@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/r/20220621123937.1330389-4-dario.binacchi@amarulasolutions.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
| -rw-r--r-- | drivers/input/touchscreen/edt-ft5x06.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 77f061af5c61..8c99819a50a4 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -24,6 +24,7 @@ #include <linux/irq.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/property.h> #include <linux/ratelimit.h> #include <linux/regulator/consumer.h> #include <linux/slab.h> @@ -1084,6 +1085,7 @@ 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 +1215,27 @@ 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 && + !device_property_read_u32(&client->dev, + "report-rate-hz", &report_rate)) { + if (tsdata->version == EDT_M06) + tsdata->report_rate = clamp_val(report_rate, 30, 140); + else + tsdata->report_rate = clamp_val(report_rate, 1, 255); + + if (report_rate != tsdata->report_rate) + dev_warn(&client->dev, + "report-rate %dHz is unsupported, use %dHz\n", + report_rate, tsdata->report_rate); + + if (tsdata->version == EDT_M06) + tsdata->report_rate /= 10; + + 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); |