From ceb9dea24556a4afc67dba752b7aef7f6ee34be4 Mon Sep 17 00:00:00 2001
From: ivmarkov <ivan.markov@gmail.com>
Date: Mon, 16 May 2022 09:36:13 +0300
Subject: [PATCH] ADC_ATTEN_MAX no longer defined in ESP-IDF master

---
 src/adc.rs | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/adc.rs b/src/adc.rs
index e7ee44981..6dc8e239c 100644
--- a/src/adc.rs
+++ b/src/adc.rs
@@ -139,7 +139,7 @@ pub struct PoweredAdc<ADC: Adc> {
     resolution: config::Resolution,
     #[cfg(esp_idf_comp_esp_adc_cal_enabled)]
     cal_characteristics:
-        Option<[Option<esp_adc_cal_characteristics_t>; adc_atten_t_ADC_ATTEN_MAX as usize + 1]>,
+        Option<[Option<esp_adc_cal_characteristics_t>; adc_atten_t_ADC_ATTEN_DB_11 as usize + 1]>,
 }
 
 #[cfg(not(feature = "riscv-ulp-hal"))]