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Message-ID: <CAPY8ntCk5ztM2FJtYS0X50rq4E658_4LtqUqEC2154s9dRb8ng@mail.gmail.com>
Date: Fri, 18 Nov 2022 17:23:32 +0000
From: Dave Stevenson <dave.stevenson@...pberrypi.com>
To: Kieran Bingham <kieran.bingham@...asonboard.com>
Cc: Broadcom internal kernel review list
<bcm-kernel-feedback-list@...adcom.com>,
Dan Carpenter <error27@...il.com>,
Florian Fainelli <f.fainelli@...il.com>,
Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
Hans Verkuil <hverkuil-cisco@...all.nl>,
Mauro Carvalho Chehab <mchehab+samsung@...nel.org>,
Ray Jui <rjui@...adcom.com>,
Umang Jain <umang.jain@...asonboard.com>,
linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
linux-rpi-kernel@...ts.infradead.org, linux-staging@...ts.linux.dev
Subject: Re: [PATCH v2 3/3] vc04_services: bcm2835-camera: Use bool values for mmal_fmt.remove_padding
On Fri, 18 Nov 2022 at 10:50, Kieran Bingham
<kieran.bingham@...asonboard.com> wrote:
>
> Quoting Umang Jain (2022-11-18 08:42:44)
> > mmal_fmt.remove_padding is defined as a boolean type hence, use boolean
> > values for it instead of 0/1 integers. This enhances code readability.
>
> This could be (optionally) expanded:
>
> """
> The field 'remove_padding' in 'struct mmal_fmt' is defined as a boolean
> type.
>
> The initialisation of the formats[] array stores integer 0/1 values into
> this field rather than a more readable bool type.
>
> Convert the usages to boolean true/false, and fix up the local storage
> type in mmal_setup_components() to enhance code readability.
> """
Again I'll agree.
> Reviewed-by: Kieran Bingham <kieran.bingham@...asonboard.com>
Reviewed-by: Dave Stevenson <dave.stevenson@...pberrypi.com>
>
> > Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
> > ---
> > .../bcm2835-camera/bcm2835-camera.c | 30 +++++++++----------
> > 1 file changed, 15 insertions(+), 15 deletions(-)
> >
> > diff --git a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> > index fd456d1f7061..797ebe2a973a 100644
> > --- a/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> > +++ b/drivers/staging/vc04_services/bcm2835-camera/bcm2835-camera.c
> > @@ -87,21 +87,21 @@ static struct mmal_fmt formats[] = {
> > .depth = 12,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 1,
> > - .remove_padding = 1,
> > + .remove_padding = true,
> > }, {
> > .fourcc = V4L2_PIX_FMT_YUYV,
> > .mmal = MMAL_ENCODING_YUYV,
> > .depth = 16,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 2,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_RGB24,
> > .mmal = MMAL_ENCODING_RGB24,
> > .depth = 24,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 3,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_JPEG,
> > .flags = V4L2_FMT_FLAG_COMPRESSED,
> > @@ -109,7 +109,7 @@ static struct mmal_fmt formats[] = {
> > .depth = 8,
> > .mmal_component = COMP_IMAGE_ENCODE,
> > .ybbp = 0,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_H264,
> > .flags = V4L2_FMT_FLAG_COMPRESSED,
> > @@ -117,7 +117,7 @@ static struct mmal_fmt formats[] = {
> > .depth = 8,
> > .mmal_component = COMP_VIDEO_ENCODE,
> > .ybbp = 0,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_MJPEG,
> > .flags = V4L2_FMT_FLAG_COMPRESSED,
> > @@ -125,63 +125,63 @@ static struct mmal_fmt formats[] = {
> > .depth = 8,
> > .mmal_component = COMP_VIDEO_ENCODE,
> > .ybbp = 0,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_YVYU,
> > .mmal = MMAL_ENCODING_YVYU,
> > .depth = 16,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 2,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_VYUY,
> > .mmal = MMAL_ENCODING_VYUY,
> > .depth = 16,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 2,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_UYVY,
> > .mmal = MMAL_ENCODING_UYVY,
> > .depth = 16,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 2,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_NV12,
> > .mmal = MMAL_ENCODING_NV12,
> > .depth = 12,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 1,
> > - .remove_padding = 1,
> > + .remove_padding = true,
> > }, {
> > .fourcc = V4L2_PIX_FMT_BGR24,
> > .mmal = MMAL_ENCODING_BGR24,
> > .depth = 24,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 3,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > }, {
> > .fourcc = V4L2_PIX_FMT_YVU420,
> > .mmal = MMAL_ENCODING_YV12,
> > .depth = 12,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 1,
> > - .remove_padding = 1,
> > + .remove_padding = true,
> > }, {
> > .fourcc = V4L2_PIX_FMT_NV21,
> > .mmal = MMAL_ENCODING_NV21,
> > .depth = 12,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 1,
> > - .remove_padding = 1,
> > + .remove_padding = true,
> > }, {
> > .fourcc = V4L2_PIX_FMT_BGR32,
> > .mmal = MMAL_ENCODING_BGRA,
> > .depth = 32,
> > .mmal_component = COMP_CAMERA,
> > .ybbp = 4,
> > - .remove_padding = 0,
> > + .remove_padding = false,
> > },
> > };
> >
> > @@ -1147,7 +1147,7 @@ static int mmal_setup_components(struct bcm2835_mmal_dev *dev,
> > struct vchiq_mmal_port *port = NULL, *camera_port = NULL;
> > struct vchiq_mmal_component *encode_component = NULL;
> > struct mmal_fmt *mfmt = get_format(f);
> > - u32 remove_padding;
> > + bool remove_padding;
> >
> > if (!mfmt)
> > return -EINVAL;
> > --
> > 2.38.1
> >
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