Re: [PATCH v7 4/5] media: platform: mediatek: isp: add mediatek ISP3.0 camsv

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On Fri, 2024-11-22 at 09:28 +0000, CK Hu (胡俊光) wrote:
> Hi, Julien:
> 
> On Fri, 2024-11-22 at 10:16 +0100, Julien Stephan wrote:
> > External email : Please do not click links or open attachments until you have verified the sender or the content.
> > 
> > 
> > Le ven. 22 nov. 2024 à 08:54, CK Hu (胡俊光) <ck.hu@xxxxxxxxxxxx> a écrit :
> > > 
> > > Hi, Julien:
> > > 
> > > On Thu, 2024-11-21 at 09:53 +0100, Julien Stephan wrote:
> > > > External email : Please do not click links or open attachments until you have verified the sender or the content.
> > > > 
> > > > 
> > > > From: Phi-bang Nguyen <pnguyen@xxxxxxxxxxxx>
> > > > 
> > > > This driver provides a path to bypass the SoC ISP so that image data
> > > > coming from the SENINF can go directly into memory without any image
> > > > processing. This allows the use of an external ISP.
> > > > 
> > > > Signed-off-by: Phi-bang Nguyen <pnguyen@xxxxxxxxxxxx>
> > > > Signed-off-by: Florian Sylvestre <fsylvestre@xxxxxxxxxxxx>
> > > > [Paul Elder fix irq locking]
> > > > Signed-off-by: Paul Elder <paul.elder@xxxxxxxxxxxxxxxx>
> > > > Co-developed-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > > > Signed-off-by: Laurent Pinchart <laurent.pinchart@xxxxxxxxxxxxxxxx>
> > > > Co-developed-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> > > > Signed-off-by: Julien Stephan <jstephan@xxxxxxxxxxxx>
> > > > ---
> > > 
> > > [snip]
> > > 
> > > > +static void mtk_cam_cmos_vf_enable(struct mtk_cam_dev *cam_dev,
> > > > +                                  bool enable, bool pak_en)
> > > > +{
> > > > +       if (enable)
> > > > +               cam_dev->hw_functions->mtk_cam_cmos_vf_hw_enable(cam_dev);
> > > 
> > > Directly call mtk_camsv30_cmos_vf_hw_enable().
> > > This has discussed in previous version [1].
> > > 
> > > [1] https://urldefense.com/v3/__https://patchwork.kernel.org/project/linux-mediatek/patch/20240729-add-mtk-isp-3-0-support-v6-4-c374c9e0c672@xxxxxxxxxxxx/*25966327__;Iw!!CTRNKA9wMg0ARbw!lydgLydtAuzr-BC5qArz3AEzOM0iSSr6TXifwab1kPvWVJLy0k7rUiasR_goMAF_6XYmPIpErGF6CdLkPQ$
> > > 
> > 
> > Hi CK,
> > 
> > I forgot about that discussion sorry :/
> > I guess you want me to completely remove the  mtk_cam_hw_functions struct?
> > In that case, what do you prefer:
> > - keep mtk_camsv30_hw.c and put signatures in mtkcamsv30_hw.h and
> > include mtk_camsv30_hw.h in mtk_camsv_video.c
> > - rename mtk_camsv30_hw.c to mtk_camsv_hw.c (and all functions) and
> > put signatures in mtk_camsv_hw.h
> 
> I prefer the second one.

In addition, I think mtk_cam_cmos_vf_enable() could be removed.
Caller of this function could directly call mtk_camsv30_cmos_vf_hw_enable() and mtk_camsv30_cmos_vf_hw_disable().

Regards,
CK

> 
> Regards,
> CK
> 
> > 
> > Cheers
> > Julien
> > 
> > > Regards,
> > > CK
> > > 
> > > > +       else
> > > > +               cam_dev->hw_functions->mtk_cam_cmos_vf_hw_disable(cam_dev);
> > > > +}
> > > > +
> > > > 
> > > 
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