From eabf71e120575d031cf7988c118c79e031f30cbd Mon Sep 17 00:00:00 2001
From: "Peter F. Patel-Schneider" <pfpschneider@gmail.com>
Date: Thu, 30 Jun 2022 12:01:54 -0400
Subject: [PATCH] device: compute approximate charge level for adc measurement
 feature

---
 lib/logitech_receiver/hidpp20.py | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/logitech_receiver/hidpp20.py b/lib/logitech_receiver/hidpp20.py
index 3799bb59..a60471fe 100644
--- a/lib/logitech_receiver/hidpp20.py
+++ b/lib/logitech_receiver/hidpp20.py
@@ -1322,9 +1322,13 @@ def get_adc_measurement(device):
 def decipher_adc_measurement(report):
     # partial implementation - needs mapping to levels
     adc, flags = _unpack('!HB', report[:3])
+    for level in battery_voltage_remaining:
+        if level[0] < adc:
+            charge_level = level[1]
+            break
     if flags & 0x01:
         status = BATTERY_STATUS.recharging if flags & 0x02 else BATTERY_STATUS.discharging
-        return FEATURE.ADC_MEASUREMENT, None, None, status, adc
+        return FEATURE.ADC_MEASUREMENT, charge_level, None, status, adc
 
 
 battery_functions = {