Re: [PATCH 3/3] media: soc_camera: rcar_vin: Add NV16 horizontal scaling-up support

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Hello.

On 10/14/2014 10:26 AM, Yoshihiro Kaneko wrote:

From: Koji Matsuoka <koji.matsuoka.xm@xxxxxxxxxxx>

The scaling function had been forbidden for the capture format of
NV16 until now. With this patch, a horizontal scaling-up function
is supported to the capture format of NV16. a vertical scaling-up
by the capture format of NV16 is forbidden for the H/W specification.

   s/for/by/?

Signed-off-by: Koji Matsuoka <koji.matsuoka.xm@xxxxxxxxxxx>
Signed-off-by: Yoshihiro Kaneko <ykaneko0929@xxxxxxxxx>
---
  drivers/media/platform/soc_camera/rcar_vin.c | 19 +++++++++++++++----
  1 file changed, 15 insertions(+), 4 deletions(-)

diff --git a/drivers/media/platform/soc_camera/rcar_vin.c b/drivers/media/platform/soc_camera/rcar_vin.c
index 00bc98d..bf3588f 100644
--- a/drivers/media/platform/soc_camera/rcar_vin.c
+++ b/drivers/media/platform/soc_camera/rcar_vin.c
[...]
@@ -1622,9 +1622,19 @@ static int rcar_vin_set_fmt(struct soc_camera_device *icd,
  	if (priv->error_flag == false)
  		priv->error_flag = true;
  	else {
-		if ((pixfmt == V4L2_PIX_FMT_NV16) && (pix->width & 0x1F)) {
-			dev_err(icd->parent, "Specified width error in NV16 format.\n");
-			return -EINVAL;
+		if (pixfmt == V4L2_PIX_FMT_NV16) {
+			if (pix->width & 0x1F) {
+				dev_err(icd->parent,
+				"Specified width error in NV16 format. "

You should indent the string more to the right, preferrably starting it under 'icd'.

+				"Please specify the multiple of 32.\n");

Do not break the string like this. scripts/checkpatch.pl has been taught to not complain about long strings.

+				return -EINVAL;
+			}
+			if (pix->height != cam->height) {
+				dev_err(icd->parent,
+				"Vertical scaling-up error in NV16 format. "
+				"Please specify input height size.\n");

Same here. Not breaking the lines helps to find the error messages in the code.

[...]

WBR, Sergei

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