drivers: input: esp32: fix threshold calculation

kartben · dkalowsk · commit 67cfd32e04c7 · 2025-06-09T14:54:30.000-07:00
Fix a bug in the touch threshold calculation where channel_num was
incorrectly used instead of channel_sens.

Signed-off-by: Benjamin Cabé &lt;benjamin@zephyrproject.org&gt;
diff --git a/drivers/input/input_esp32_touch_sensor.c b/drivers/input/input_esp32_touch_sensor.c
@@ -254,7 +254,7 @@ static int esp32_touch_sensor_init(const struct device *dev)
 		uint16_t touch_value = touch_hal_read_raw_data(channel_cfg->channel_num);
 
 		touch_hal_set_threshold(channel_cfg->channel_num,
-					touch_value * (100 - channel_cfg->channel_num) / 100);
+					touch_value * (100 - channel_cfg->channel_sens) / 100);
 	}
 
 #elif defined(CONFIG_SOC_SERIES_ESP32S2) || defined(CONFIG_SOC_SERIES_ESP32S3)

Original file line number	Diff line number	Diff line change
`@@ -254,7 +254,7 @@ static int esp32_touch_sensor_init(const struct device *dev)`
`254`	`254`	`uint16_t touch_value = touch_hal_read_raw_data(channel_cfg->channel_num);`
`255`	`255`
`256`	`256`	`touch_hal_set_threshold(channel_cfg->channel_num,`
`257`		`- touch_value * (100 - channel_cfg->channel_num) / 100);`
	`257`	`+ touch_value * (100 - channel_cfg->channel_sens) / 100);`
`258`	`258`	`}`
`259`	`259`
`260`	`260`	`#elif defined(CONFIG_SOC_SERIES_ESP32S2) \|\| defined(CONFIG_SOC_SERIES_ESP32S3)`