lkml.org 
[lkml]   [2016]   [Jun]   [15]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 2/3] staging: media: omap1: fix sensor probe not working anymore
Date
After clock_start() removal from from soc_camera_probe() (commit
9aea470b39 '[media] soc-camera: switch I2C subdevice drivers to use
v4l2-clk', introduced in v3.11), it occurred omap1_camera's sensor
can't be probed successfully without its clock being turned on in
advance. Fix that by surrounding soc_camera_host_register() invocation
with clock_start() / clock_stop().

Created and tested on Amstrad Delta against Linux-4.7-rc3 with
'staging: media: omap1: fix null pointer dereference in
omap1_cam_probe()' applied.

Signed-off-by: Janusz Krzysztofik <jmkrzyszt@gmail.com>
---
drivers/staging/media/omap1/omap1_camera.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/drivers/staging/media/omap1/omap1_camera.c b/drivers/staging/media/omap1/omap1_camera.c
index dc35d30..9b6140a 100644
--- a/drivers/staging/media/omap1/omap1_camera.c
+++ b/drivers/staging/media/omap1/omap1_camera.c
@@ -1650,7 +1650,11 @@ static int omap1_cam_probe(struct platform_device *pdev)
pcdev->soc_host.v4l2_dev.dev = &pdev->dev;
pcdev->soc_host.nr = pdev->id;

- err = soc_camera_host_register(&pcdev->soc_host);
+ err = omap1_cam_clock_start(&pcdev->soc_host);
+ if (!err) {
+ err = soc_camera_host_register(&pcdev->soc_host);
+ omap1_cam_clock_stop(&pcdev->soc_host);
+ }
if (err)
return err;

--
2.7.3
\
 
 \ /
  Last update: 2016-06-16 01:01    [W:0.049 / U:0.052 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site