Hi Bryan,
On Mon, 10 Feb 2014, Bryan Wu wrote:
> On Sun, Feb 9, 2014 at 2:20 PM, Guennadi Liakhovetski
> <g.liakhovetski@xxxxxx> wrote:
> > Hi Bryan,
> >
> > Thanks for reiterating this patch!
> >
>
> Sure, my pleasure. I basically assembled your patches together and
> change them to use latest V4L2 soc_camera API.
>
> > On Fri, 7 Feb 2014, Bryan Wu wrote:
[snip]
> >> @@ -67,6 +81,8 @@ struct soc_camera_async_client {
> >>
> >> static int soc_camera_video_start(struct soc_camera_device *icd);
> >> static int video_dev_create(struct soc_camera_device *icd);
> >> +static void soc_camera_of_i2c_info(struct device_node *node,
> >> + struct soc_camera_of_client *sofc);
> >
> > If you have to resubmit this patch, plase, make sure the second line of
> > the above declaration is aligned af usual - under the first character
> > _after_ the opening bracket.
> >
>
> No problem, I will update this.
> Hmmm, something weird on my side. I did put the second line starting
> under the first character after the opening bracket. But in git show
> and git format-patch I got this
> ---
> static int soc_camera_video_start(struct soc_camera_device *icd);
> static int video_dev_create(struct soc_camera_device *icd);
> +static void soc_camera_of_i2c_info(struct device_node *node,
> + struct soc_camera_of_client *sofc);
> ---
>
> But I think that's what you want, right?
Don't know - now aöö TABs above are replaced with spaces, so, cannot say.
[snip]
> >> +{
> >> + struct soc_camera_of_client *sofc;
> >> + struct soc_camera_desc *sdesc;
> >
> > I'm really grateful, that you decided to use my original patch and
> > preserve my authorship! But then, I think, it'd be also better to avoid
> > unnecessary changes to it. What was wrong with allocation of *sofc in the
> > definition line?
> >
>
> Oh, this is really I want to bring up. It's a very subtle bug here.
>
> If we use local variable sofc instead of zalloc, fields of sofc have
> undetermined None NULL value.
No. If you initialise some members of a struct in its definition line, the
rest will be initialised to 0 / NULL. I.e. in
struct foo y = {.x = 1,};
all other fields of y will be initialised to 0.
Thanks
Guennadi
---
Guennadi Liakhovetski, Ph.D.
Freelance Open-Source Software Developer
http://www.open-technology.de/
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