From: Vaibhav Agarwal <vaibhav.agarwal@linaro.org>
Date: Fri, 3 Jun 2016 12:15:29 +0000 (+0530)
Subject: greybus: audio: Report warning in case module is already removed
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=02f1c12cca45ed684a268563919787f06877bef2;p=linux-beck.git

greybus: audio: Report warning in case module is already removed

Added warning message in find_gb_module(). This will help to identify
invalid mixer control/widget modification triggered from above layer.

Signed-off-by: Vaibhav Agarwal <vaibhav.agarwal@linaro.org>
Reviewed-by: Mark Greer <mgreer@animalcreek.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
---

diff --git a/drivers/staging/greybus/audio_topology.c b/drivers/staging/greybus/audio_topology.c
index e423e6d16a25..dfe120baecad 100644
--- a/drivers/staging/greybus/audio_topology.c
+++ b/drivers/staging/greybus/audio_topology.c
@@ -47,6 +47,8 @@ static struct gbaudio_module_info *find_gb_module(
 		}
 	}
 	mutex_unlock(&codec->lock);
+	dev_warn(codec->dev, "%s: module#%d missing in codec list\n", name,
+		 dev_id);
 	return NULL;
 }