[libcamera-devel] [PATCH] media: rkisp1: Add and use rkisp1_has_feature() macro

[Laurent Pinchart]

Hi Jacopo,

On Wed, Jul 20, 2022 at 11:15:36AM +0200, Jacopo Mondi wrote:
> On Wed, Jul 20, 2022 at 01:17:51AM +0300, Laurent Pinchart via libcamera-devel wrote:
> > Simplify feature tests with a macro that shortens lines.
> >
> > Signed-off-by: Laurent Pinchart <laurent.pinchart at ideasonboard.com>
> > ---
> >  .../media/platform/rockchip/rkisp1/rkisp1-common.h |  3 +++
> >  .../media/platform/rockchip/rkisp1/rkisp1-dev.c    | 14 +++++++-------
> >  2 files changed, 10 insertions(+), 7 deletions(-)
> >
> > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> > index 8056997d5c29..0aae802464ac 100644
> > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-common.h
> 
> Was this meant for linux-media ? :)

Yes, I realized just after sending, and sent another one to linux-media.
I need to write a git-send-email wrapper that will validate recipients
based on the content of the patches... Sorry for the noise.

> > @@ -111,6 +111,9 @@ enum rkisp1_feature {
> >  	RKISP1_FEATURE_MIPI_CSI2 = BIT(0),
> >  };
> >
> > +#define rkisp1_has_feature(rkisp1, feature) \
> > +	((rkisp1)->info->features & RKISP1_FEATURE_##feature)
> > +
> >  /*
> >   * struct rkisp1_info - Model-specific ISP Information
> >   *
> > diff --git a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > index f2475c6235ea..e348d8c86861 100644
> > --- a/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > +++ b/drivers/media/platform/rockchip/rkisp1/rkisp1-dev.c
> > @@ -206,7 +206,7 @@ static int rkisp1_subdev_notifier_register(struct rkisp1_device *rkisp1)
> >  		switch (reg) {
> >  		case 0:
> >  			/* MIPI CSI-2 port */
> > -			if (!(rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2)) {
> > +			if (!rkisp1_has_feature(rkisp1, MIPI_CSI2)) {
> >  				dev_err(rkisp1->dev,
> >  					"internal CSI must be available for port 0\n");
> >  				ret = -EINVAL;
> > @@ -338,7 +338,7 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1)
> >  	unsigned int i;
> >  	int ret;
> >
> > -	if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) {
> > +	if (rkisp1_has_feature(rkisp1, MIPI_CSI2)) {
> >  		/* Link the CSI receiver to the ISP. */
> >  		ret = media_create_pad_link(&rkisp1->csi.sd.entity,
> >  					    RKISP1_CSI_PAD_SRC,
> > @@ -390,7 +390,7 @@ static int rkisp1_create_links(struct rkisp1_device *rkisp1)
> >
> >  static void rkisp1_entities_unregister(struct rkisp1_device *rkisp1)
> >  {
> > -	if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2)
> > +	if (rkisp1_has_feature(rkisp1, MIPI_CSI2))
> >  		rkisp1_csi_unregister(rkisp1);
> >  	rkisp1_params_unregister(rkisp1);
> >  	rkisp1_stats_unregister(rkisp1);
> > @@ -423,7 +423,7 @@ static int rkisp1_entities_register(struct rkisp1_device *rkisp1)
> >  	if (ret)
> >  		goto error;
> >
> > -	if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) {
> > +	if (rkisp1_has_feature(rkisp1, MIPI_CSI2)) {
> >  		ret = rkisp1_csi_register(rkisp1);
> >  		if (ret)
> >  			goto error;
> > @@ -590,7 +590,7 @@ static int rkisp1_probe(struct platform_device *pdev)
> >  		goto err_unreg_v4l2_dev;
> >  	}
> >
> > -	if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2) {
> > +	if (rkisp1_has_feature(rkisp1, MIPI_CSI2)) {
> >  		ret = rkisp1_csi_init(rkisp1);
> >  		if (ret)
> >  			goto err_unreg_media_dev;
> > @@ -611,7 +611,7 @@ static int rkisp1_probe(struct platform_device *pdev)
> >  err_unreg_entities:
> >  	rkisp1_entities_unregister(rkisp1);
> >  err_cleanup_csi:
> > -	if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2)
> > +	if (rkisp1_has_feature(rkisp1, MIPI_CSI2))
> >  		rkisp1_csi_cleanup(rkisp1);
> >  err_unreg_media_dev:
> >  	media_device_unregister(&rkisp1->media_dev);
> > @@ -630,7 +630,7 @@ static int rkisp1_remove(struct platform_device *pdev)
> >  	v4l2_async_nf_cleanup(&rkisp1->notifier);
> >
> >  	rkisp1_entities_unregister(rkisp1);
> > -	if (rkisp1->info->features & RKISP1_FEATURE_MIPI_CSI2)
> > +	if (rkisp1_has_feature(rkisp1, MIPI_CSI2))
> >  		rkisp1_csi_cleanup(rkisp1);
> >  	rkisp1_debug_cleanup(rkisp1);
> >

-- 
Regards,

Laurent Pinchart