diff mbox series

[v2,1/5] media: staging: rkisp1: cap: cleanup in mainpath config for uv swap format

Message ID 20200402190419.15155-2-dafna.hirschfeld@collabora.com (mailing list archive)
State New, archived
Headers show
Series media: staging: rkisp1: cap: various fixes for capture formats | expand

Commit Message

Dafna Hirschfeld April 2, 2020, 7:04 p.m. UTC
The value RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP equals BIT(0),
Therefore when writing it to the register there is no need to mask
it first with ~BIT(0).

Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
---
 drivers/staging/media/rkisp1/rkisp1-capture.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

Comments

Helen Koike April 2, 2020, 7:53 p.m. UTC | #1
On 4/2/20 4:04 PM, Dafna Hirschfeld wrote:
> The value RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP equals BIT(0),
> Therefore when writing it to the register there is no need to mask
> it first with ~BIT(0).
> 
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>

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

> ---
>  drivers/staging/media/rkisp1/rkisp1-capture.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
> index 45d237a77ca4..5700d7be2819 100644
> --- a/drivers/staging/media/rkisp1/rkisp1-capture.c
> +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
> @@ -432,8 +432,7 @@ static void rkisp1_mp_config(struct rkisp1_capture *cap)
>  	if (cap->pix.cfg->uv_swap) {
>  		reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_XTD_FORMAT_CTRL);
>  
> -		reg = (reg & ~BIT(0)) |
> -		      RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP;
> +		reg = reg | RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP;
>  		rkisp1_write(rkisp1, reg, RKISP1_CIF_MI_XTD_FORMAT_CTRL);
>  	}
>  
>
Laurent Pinchart April 5, 2020, 5:57 p.m. UTC | #2
Hi Dafna,

Thank you for the patch.

On Thu, Apr 02, 2020 at 09:04:15PM +0200, Dafna Hirschfeld wrote:
> The value RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP equals BIT(0),
> Therefore when writing it to the register there is no need to mask
> it first with ~BIT(0).
> 
> Signed-off-by: Dafna Hirschfeld <dafna.hirschfeld@collabora.com>
> ---
>  drivers/staging/media/rkisp1/rkisp1-capture.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
> index 45d237a77ca4..5700d7be2819 100644
> --- a/drivers/staging/media/rkisp1/rkisp1-capture.c
> +++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
> @@ -432,8 +432,7 @@ static void rkisp1_mp_config(struct rkisp1_capture *cap)
>  	if (cap->pix.cfg->uv_swap) {
>  		reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_XTD_FORMAT_CTRL);
>  
> -		reg = (reg & ~BIT(0)) |
> -		      RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP;
> +		reg = reg | RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP;

I'd write this

		reg |= RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP;

Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

>  		rkisp1_write(rkisp1, reg, RKISP1_CIF_MI_XTD_FORMAT_CTRL);
>  	}
>
diff mbox series

Patch

diff --git a/drivers/staging/media/rkisp1/rkisp1-capture.c b/drivers/staging/media/rkisp1/rkisp1-capture.c
index 45d237a77ca4..5700d7be2819 100644
--- a/drivers/staging/media/rkisp1/rkisp1-capture.c
+++ b/drivers/staging/media/rkisp1/rkisp1-capture.c
@@ -432,8 +432,7 @@  static void rkisp1_mp_config(struct rkisp1_capture *cap)
 	if (cap->pix.cfg->uv_swap) {
 		reg = rkisp1_read(rkisp1, RKISP1_CIF_MI_XTD_FORMAT_CTRL);
 
-		reg = (reg & ~BIT(0)) |
-		      RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP;
+		reg = reg | RKISP1_CIF_MI_XTD_FMT_CTRL_MP_CB_CR_SWAP;
 		rkisp1_write(rkisp1, reg, RKISP1_CIF_MI_XTD_FORMAT_CTRL);
 	}