# HG changeset patch
# User Josef 'Jeff' Sipek <jeffpc@josefsipek.net>
# Date 1726755301 14400
#      Thu Sep 19 10:15:01 2024 -0400
# Node ID 06e937c32a4f676879516543c44990dd02b3e0fd
# Parent  a9aff2cef138fa73aa1108b5303660b4907dc313
# Parent  884fe32b54e7623799ee082d148aa1210f6570c3
Merge branch 'devices'

Signed-off-by: Josef 'Jeff' Sipek <jeffpc@josefsipek.net>

diff --git a/devices/i2c/mcp7940n.c b/devices/i2c/mcp7940n.c
--- a/devices/i2c/mcp7940n.c
+++ b/devices/i2c/mcp7940n.c
@@ -214,8 +214,9 @@
 	tmp.month = BIN2BCD(tm->month, 4, 0) & 0x1f;
 	tmp.year = BIN2BCD(tm->year - 2000, 4, 0);
 
+	/* update date & time but leave control & trim alone */
 	if (!mcp7940n_write(offsetof(struct mcp7940n, timekeeping), &tmp,
-			    sizeof(tmp)))
+			    offsetof(struct mcp7940n, timekeeping.control)))
 		return false;
 
 	/* start the oscillator */