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authorDario Binacchi <dario.binacchi@amarulasolutions.com>2022-06-28 20:56:28 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2022-06-29 07:59:58 +0300
commit23ea98f4bafa0c4639401747a354e09a5e7686da (patch)
tree5b3918a19909cfa13e1a363a64354ed434537fc9 /drivers/input
parent625f829586ea96b93817bf675cc42990ab451a17 (diff)
downloadlinux-23ea98f4bafa0c4639401747a354e09a5e7686da.tar.xz
Input: edt-ft5x06 - get/set M12 report rate by sysfs
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>
Diffstat (limited to 'drivers/input')
-rw-r--r--drivers/input/touchscreen/edt-ft5x06.c9
1 files changed, 6 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c
index bb2e1cbffba7..77f061af5c61 100644
--- a/drivers/input/touchscreen/edt-ft5x06.c
+++ b/drivers/input/touchscreen/edt-ft5x06.c
@@ -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;