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Input: edt-ft5x06 - get/set M12 report rate by sysfs

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Add support for reading/writing scan rate (SC) register for M12 by
sysfs. The register value is equal to the SC (Hz), unlike M06, where
instead it is equal to SC / 10.

Co-developed-by: Michael Trimarchi <michael@amarulasolutions.com>
Signed-off-by: Michael Trimarchi <michael@amarulasolutions.com>
Tested-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Signed-off-by: Dario Binacchi <dario.binacchi@amarulasolutions.com>
Link: https://lore.kernel.org/r/20220621123937.1330389-3-dario.binacchi@amarulasolutions.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
This commit is contained in:
Dario Binacchi 2022-06-28 10:56:28 -07:00 committed by Dmitry Torokhov
parent 625f829586
commit 23ea98f4ba
1 changed files with 6 additions and 3 deletions
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9
drivers/input/touchscreen/edt-ft5x06.c
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@ -47,6 +47,8 @@
#define M09_REGISTER_NUM_X 0x94
#define M09_REGISTER_NUM_Y 0x95
#define M12_REGISTER_REPORT_RATE 0x88
#define EV_REGISTER_THRESHOLD 0x40
#define EV_REGISTER_GAIN 0x41
#define EV_REGISTER_OFFSET_Y 0x45
@ -523,9 +525,9 @@ static EDT_ATTR(offset_y, S_IWUSR | S_IRUGO, NO_REGISTER, NO_REGISTER,
/* m06: range 20 to 80, m09: range 0 to 30, m12: range 1 to 255... */
static EDT_ATTR(threshold, S_IWUSR | S_IRUGO, WORK_REGISTER_THRESHOLD,
M09_REGISTER_THRESHOLD, EV_REGISTER_THRESHOLD, 0, 255);
/* m06: range 3 to 14, m12: (0x64: 100Hz) */
/* m06: range 3 to 14, m12: range 1 to 255 */
static EDT_ATTR(report_rate, S_IWUSR | S_IRUGO, WORK_REGISTER_REPORT_RATE,
NO_REGISTER, NO_REGISTER, 0, 255);
M12_REGISTER_REPORT_RATE, NO_REGISTER, 0, 255);
static struct attribute *edt_ft5x06_attrs[] = {
&edt_ft5x06_attr_gain.dattr.attr,
@ -1030,7 +1032,8 @@ static void edt_ft5x06_ts_set_regs(struct edt_ft5x06_ts_data *tsdata)
case EDT_M09:
case EDT_M12:
reg_addr->reg_threshold = M09_REGISTER_THRESHOLD;
reg_addr->reg_report_rate = NO_REGISTER;
reg_addr->reg_report_rate = tsdata->version == EDT_M12 ?
M12_REGISTER_REPORT_RATE : NO_REGISTER;
reg_addr->reg_gain = M09_REGISTER_GAIN;
reg_addr->reg_offset = M09_REGISTER_OFFSET;
reg_addr->reg_offset_x = NO_REGISTER;