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Subject: Re: [PATCH v5 3/5] vimc: move duplicated IS_SRC and IS_SINK to common
 header
To:     Shuah Khan <skhan@linuxfoundation.org>, mchehab@kernel.org,
        andrealmeid@collabora.com, dafna.hirschfeld@collabora.com,
        hverkuil-cisco@xs4all.nl
Cc:     linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
References: <cover.1568689325.git.skhan@linuxfoundation.org>
 <776b23b8fa963df3eea3c4920c78b052ef4567a1.1568689325.git.skhan@linuxfoundation.org>
From:   Helen Koike <helen.koike@collabora.com>
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Message-ID: <da590ad5-a9c5-2a58-74af-2b1eecd344bb@collabora.com>
Date:   Tue, 17 Sep 2019 16:26:53 -0300
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On 9/17/19 1:35 PM, Shuah Khan wrote:
> Move duplicated IS_SRC and IS_SINK dfines to common header. Rename
> them to VIMC_IS_SRC and VIM_IS_SINK.
> 
> Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

Acked-by: Helen Koike <helen.koike@collabora.com>

> ---
>  drivers/media/platform/vimc/vimc-common.h  |  4 ++++
>  drivers/media/platform/vimc/vimc-debayer.c | 11 ++++-------
>  drivers/media/platform/vimc/vimc-scaler.c  |  8 +++-----
>  3 files changed, 11 insertions(+), 12 deletions(-)
> 
> diff --git a/drivers/media/platform/vimc/vimc-common.h b/drivers/media/platform/vimc/vimc-common.h
> index d7aaf31175bc..698db7c07645 100644
> --- a/drivers/media/platform/vimc/vimc-common.h
> +++ b/drivers/media/platform/vimc/vimc-common.h
> @@ -27,6 +27,10 @@
>  
>  #define VIMC_FRAME_INDEX(lin, col, width, bpp) ((lin * width + col) * bpp)
>  
> +/* Source and sink pad checks */
> +#define VIMC_IS_SRC(pad)	(pad)
> +#define VIMC_IS_SINK(pad)	(!(pad))
> +
>  /**
>   * struct vimc_colorimetry_clamp - Adjust colorimetry parameters
>   *
> diff --git a/drivers/media/platform/vimc/vimc-debayer.c b/drivers/media/platform/vimc/vimc-debayer.c
> index 4125159e8f31..feac47d79449 100644
> --- a/drivers/media/platform/vimc/vimc-debayer.c
> +++ b/drivers/media/platform/vimc/vimc-debayer.c
> @@ -20,9 +20,6 @@ MODULE_PARM_DESC(deb_mean_win_size, " the window size to calculate the mean.\n"
>  	"stays in the center of the window, otherwise the next odd number "
>  	"is considered");
>  
> -#define IS_SINK(pad) (!pad)
> -#define IS_SRC(pad)  (pad)
> -
>  enum vimc_deb_rgb_colors {
>  	VIMC_DEB_RED = 0,
>  	VIMC_DEB_GREEN = 1,
> @@ -155,7 +152,7 @@ static int vimc_deb_enum_mbus_code(struct v4l2_subdev *sd,
>  				   struct v4l2_subdev_mbus_code_enum *code)
>  {
>  	/* We only support one format for source pads */
> -	if (IS_SRC(code->pad)) {
> +	if (VIMC_IS_SRC(code->pad)) {
>  		struct vimc_deb_device *vdeb = v4l2_get_subdevdata(sd);
>  
>  		if (code->index)
> @@ -181,7 +178,7 @@ static int vimc_deb_enum_frame_size(struct v4l2_subdev *sd,
>  	if (fse->index)
>  		return -EINVAL;
>  
> -	if (IS_SINK(fse->pad)) {
> +	if (VIMC_IS_SINK(fse->pad)) {
>  		const struct vimc_deb_pix_map *vpix =
>  			vimc_deb_pix_map_by_code(fse->code);
>  
> @@ -211,7 +208,7 @@ static int vimc_deb_get_fmt(struct v4l2_subdev *sd,
>  		      vdeb->sink_fmt;
>  
>  	/* Set the right code for the source pad */
> -	if (IS_SRC(fmt->pad))
> +	if (VIMC_IS_SRC(fmt->pad))
>  		fmt->format.code = vdeb->src_code;
>  
>  	return 0;
> @@ -258,7 +255,7 @@ static int vimc_deb_set_fmt(struct v4l2_subdev *sd,
>  	 * Do not change the format of the source pad,
>  	 * it is propagated from the sink
>  	 */
> -	if (IS_SRC(fmt->pad)) {
> +	if (VIMC_IS_SRC(fmt->pad)) {
>  		fmt->format = *sink_fmt;
>  		/* TODO: Add support for other formats */
>  		fmt->format.code = vdeb->src_code;
> diff --git a/drivers/media/platform/vimc/vimc-scaler.c b/drivers/media/platform/vimc/vimc-scaler.c
> index 1a593d81ea7c..a6a3cc5be872 100644
> --- a/drivers/media/platform/vimc/vimc-scaler.c
> +++ b/drivers/media/platform/vimc/vimc-scaler.c
> @@ -16,8 +16,6 @@ static unsigned int sca_mult = 3;
>  module_param(sca_mult, uint, 0000);
>  MODULE_PARM_DESC(sca_mult, " the image size multiplier");
>  
> -#define IS_SINK(pad)	(!pad)
> -#define IS_SRC(pad)	(pad)
>  #define MAX_ZOOM	8
>  
>  struct vimc_sca_device {
> @@ -93,7 +91,7 @@ static int vimc_sca_enum_frame_size(struct v4l2_subdev *sd,
>  	fse->min_width = VIMC_FRAME_MIN_WIDTH;
>  	fse->min_height = VIMC_FRAME_MIN_HEIGHT;
>  
> -	if (IS_SINK(fse->pad)) {
> +	if (VIMC_IS_SINK(fse->pad)) {
>  		fse->max_width = VIMC_FRAME_MAX_WIDTH;
>  		fse->max_height = VIMC_FRAME_MAX_HEIGHT;
>  	} else {
> @@ -116,7 +114,7 @@ static int vimc_sca_get_fmt(struct v4l2_subdev *sd,
>  			 vsca->sink_fmt;
>  
>  	/* Scale the frame size for the source pad */
> -	if (IS_SRC(format->pad)) {
> +	if (VIMC_IS_SRC(format->pad)) {
>  		format->format.width = vsca->sink_fmt.width * sca_mult;
>  		format->format.height = vsca->sink_fmt.height * sca_mult;
>  	}
> @@ -165,7 +163,7 @@ static int vimc_sca_set_fmt(struct v4l2_subdev *sd,
>  	 * Do not change the format of the source pad,
>  	 * it is propagated from the sink
>  	 */
> -	if (IS_SRC(fmt->pad)) {
> +	if (VIMC_IS_SRC(fmt->pad)) {
>  		fmt->format = *sink_fmt;
>  		fmt->format.width = sink_fmt->width * sca_mult;
>  		fmt->format.height = sink_fmt->height * sca_mult;
>