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From 670fb10630bb53df3e216254be027910c4c70d00 Mon Sep 17 00:00:00 2001
From: Stefan Wahren <stefan.wahren@i2se.com>
Date: Sun, 21 Oct 2018 19:08:29 +0200
Subject: [PATCH 236/773] staging: bcm2835-camera: Add hint about possible
faulty GPU mem config
As per default the GPU memory config of the Raspberry Pi isn't sufficient
for the camera usage. Even worse the bcm2835 camera doesn't provide a
helpful error message in this case. So let's add a hint to point the user
to the likely cause.
Signed-off-by: Stefan Wahren <stefan.wahren@i2se.com>
---
drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
--- a/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
+++ b/drivers/staging/vc04_services/bcm2835-camera/mmal-vchiq.c
@@ -1620,8 +1620,11 @@ int vchiq_mmal_component_init(struct vch
component = &instance->component[instance->component_idx];
ret = create_component(instance, component, name);
- if (ret < 0)
+ if (ret < 0) {
+ pr_err("%s: failed to create component %d (Not enough GPU mem?)\n",
+ __func__, ret);
goto unlock;
+ }
/* ports info needs gathering */
component->control.type = MMAL_PORT_TYPE_CONTROL;
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