From 73a6184407996fe3553daf70182f5e116f0b8a54 Mon Sep 17 00:00:00 2001
From: Kevin O'Connor <kevin@koconnor.net>
Date: Tue, 20 Jan 2026 21:17:59 -0500
Subject: [PATCH] trigger_analog: Check if trigger_analog is allocated in
 trigger_analog_update()

Check if the trigger_analog struct has been allocated in
trigger_analog_update() itself.  This makes the code easier to use in
the sensor code.

Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
---
 src/sensor_ads1220.c | 4 +---
 src/sensor_hx71x.c   | 2 +-
 src/trigger_analog.c | 3 +++
 3 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/src/sensor_ads1220.c b/src/sensor_ads1220.c
index 93d52b6ae..fdf770cf6 100644
--- a/src/sensor_ads1220.c
+++ b/src/sensor_ads1220.c
@@ -97,9 +97,7 @@ ads1220_read_adc(struct ads1220_adc *ads1220, uint8_t oid)
         counts |= 0xFF000000;
 
     // endstop is optional, report if enabled and no errors
-    if (ads1220->ta) {
-        trigger_analog_update(ads1220->ta, counts);
-    }
+    trigger_analog_update(ads1220->ta, counts);
 
     add_sample(ads1220, oid, counts);
 }
diff --git a/src/sensor_hx71x.c b/src/sensor_hx71x.c
index 2c09e97af..7d869d9d5 100644
--- a/src/sensor_hx71x.c
+++ b/src/sensor_hx71x.c
@@ -178,7 +178,7 @@ hx71x_read_adc(struct hx71x_adc *hx71x, uint8_t oid)
     }
 
     // probe is optional, report if enabled
-    if (hx71x->last_error == 0 && hx71x->ta) {
+    if (hx71x->last_error == 0) {
         trigger_analog_update(hx71x->ta, counts);
     }
 
diff --git a/src/trigger_analog.c b/src/trigger_analog.c
index df64a4f40..fafc63fc6 100644
--- a/src/trigger_analog.c
+++ b/src/trigger_analog.c
@@ -76,6 +76,9 @@ trigger_error(struct trigger_analog *ta, uint8_t error_code)
 void
 trigger_analog_update(struct trigger_analog *ta, const int32_t sample)
 {
+    if (!ta)
+        return;
+
     // only process samples when homing
     uint8_t is_homing = is_flag_set(FLAG_IS_HOMING, ta);
     if (!is_homing) {