app: Default to four CMUX channels

SeppoTakalo · SeppoTakalo · commit 79c2480addcd · 2026-05-12T17:48:47.000+03:00
Default to four CMUX channels, instead of two.
This allows using user_channels from Zephyr's cellular
driver.

Signed-off-by: Seppo Takalo &lt;seppo.takalo@nordicsemi.no&gt;
diff --git a/app/overlay-cmux.conf b/app/overlay-cmux.conf
@@ -5,6 +5,7 @@
 #
 
 CONFIG_SM_CMUX=y
+CONFIG_SM_CMUX_CHANNEL_COUNT=4
 
 # Zephyr modem subsystem
 CONFIG_MODEM_MODULES=y

Original file line number	Diff line number	Diff line change
`@@ -5,6 +5,7 @@`
`5`	`5`	`#`
`6`	`6`
`7`	`7`	`CONFIG_SM_CMUX=y`
	`8`	`+CONFIG_SM_CMUX_CHANNEL_COUNT=4`
`8`	`9`
`9`	`10`	`# Zephyr modem subsystem`
`10`	`11`	`CONFIG_MODEM_MODULES=y`