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odin2/3/thor: fix triggers ranges

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This commit is contained in:
Philippe Simons
2026-02-14 18:53:21 +01:00
parent 02c4d09abf
commit ddfedd1b2e
1 changed files with 6 additions and 48 deletions
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54
projects/ROCKNIX/devices/SM8550/patches/linux/0031_input--Add-driver-for-RSInput-Gamepad.patch
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@@ -43,7 +43,7 @@ new file mode 100644
index 000000000000..4a7096407712
--- /dev/null
+++ b/drivers/input/joystick/rsinput.c
@@ -0,0 +1,464 @@
@@ -0,0 +1,422 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * RSInput Gamepad Driver
@@ -59,6 +59,7 @@ index 000000000000..4a7096407712
+#include <linux/input.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/minmax.h>
+#include <linux/of.h>
+#include <linux/serdev.h>
+#include <linux/slab.h>
@@ -207,43 +208,6 @@ index 000000000000..4a7096407712
+}
+
+#define GAMEPAD_RAW_SENSOR_FULL_RANGE_VAL 0x755
+#define GAMEPAD_RAW_TRIGGER_MIN 354
+#define GAMEPAD_RAW_TRIGGER_MAX 1845
+
+#ifndef clamp
+#define clamp(val, min, max) ({ \
+ typeof(val) __val = (val); \
+ typeof(min) __min = (min); \
+ typeof(max) __max = (max); \
+ __val = __val < __min ? __min : __val; \
+ __val > __max ? __max : __val; \
+})
+#endif
+
+static inline int scale_trigger_signed_range(unsigned int raw_val, int raw_min, int raw_max) {
+ long scaled;
+ long input_range = raw_max - raw_min;
+ long output_min = -32768L;
+ long output_max = 32767L;
+ long output_range = output_max - output_min;
+
+ if (input_range == 0)
+ return 0;
+
+ long val_shifted = raw_val - raw_min;
+
+ if (val_shifted < 0) val_shifted = 0;
+ if (val_shifted > input_range) val_shifted = input_range;
+
+ scaled = (val_shifted * output_range / input_range) + output_min;
+
+ if (scaled > 32767)
+ scaled = 32767;
+ else if (scaled < -32768)
+ scaled = -32768;
+
+ return (int)scaled;
+}
+
+static void handle_cmd_status(struct rsinput_driver *drv, const uint8_t *data, size_t payload_length) {
+ if (payload_length >= 6) {
@@ -258,17 +222,11 @@ index 000000000000..4a7096407712
+ input_report_key(drv->input, keymap[i], (current_states & BIT(i)));
+ }
+
+ int raw_trig_l_current = GAMEPAD_RAW_SENSOR_FULL_RANGE_VAL - (data[FRAME_POS_DATA_3] | (data[FRAME_POS_DATA_4] << 8));
+ int raw_trig_r_current = GAMEPAD_RAW_SENSOR_FULL_RANGE_VAL - (data[FRAME_POS_DATA_5] | (data[FRAME_POS_DATA_6] << 8));
+ int raw_trig_l_current = max(0, GAMEPAD_RAW_SENSOR_FULL_RANGE_VAL - (data[FRAME_POS_DATA_3] | (data[FRAME_POS_DATA_4] << 8)));
+ int raw_trig_r_current = max(0, GAMEPAD_RAW_SENSOR_FULL_RANGE_VAL - (data[FRAME_POS_DATA_5] | (data[FRAME_POS_DATA_6] << 8)));
+
+ int raw_l_clamped = clamp(raw_trig_l_current, GAMEPAD_RAW_TRIGGER_MIN, GAMEPAD_RAW_TRIGGER_MAX);
+ int raw_r_clamped = clamp(raw_trig_r_current, GAMEPAD_RAW_TRIGGER_MIN, GAMEPAD_RAW_TRIGGER_MAX);
+
+ int scaled_z = scale_trigger_signed_range(raw_l_clamped, GAMEPAD_RAW_TRIGGER_MIN, GAMEPAD_RAW_TRIGGER_MAX);
+ int scaled_rz = scale_trigger_signed_range(raw_r_clamped, GAMEPAD_RAW_TRIGGER_MIN, GAMEPAD_RAW_TRIGGER_MAX);
+
+ input_report_abs(drv->input, ABS_Z, scaled_z);
+ input_report_abs(drv->input, ABS_RZ, scaled_rz);
+ input_report_abs(drv->input, ABS_Z, raw_trig_l_current);
+ input_report_abs(drv->input, ABS_RZ, raw_trig_r_current);
+ input_report_abs(drv->input, ABS_X,
+ -(int16_t)(data[FRAME_POS_DATA_7] | (data[FRAME_POS_DATA_8] << 8)));
+ input_report_abs(drv->input, ABS_Y,