V4L: s5c73m3: Add format propagation for TRY formats

Message ID 1374677852-2006-1-git-send-email-s.nawrocki@samsung.com (mailing list archive)
State Accepted, archived
Delegated to: Sylwester Nawrocki
Headers

Commit Message

Sylwester Nawrocki July 24, 2013, 2:57 p.m. UTC
  From: Andrzej Hajda <a.hajda@samsung.com>

Resolution set on ISP pad of S5C73M3-OIF subdev should be
propagated to source pad for TRY and ACTIVE formats.
The patch adds missing propagation for TRY format.

Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
---
 drivers/media/i2c/s5c73m3/s5c73m3-core.c |    5 +++++
 1 file changed, 5 insertions(+)
  

Comments

Laurent Pinchart Aug. 8, 2013, 10:58 p.m. UTC | #1
Hello,

On Wednesday 24 July 2013 16:57:32 Sylwester Nawrocki wrote:
> From: Andrzej Hajda <a.hajda@samsung.com>
> 
> Resolution set on ISP pad of S5C73M3-OIF subdev should be
> propagated to source pad for TRY and ACTIVE formats.
> The patch adds missing propagation for TRY format.

I might be missing something, but where's the propagation for the ACTIVE 
format ?

> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
> ---
>  drivers/media/i2c/s5c73m3/s5c73m3-core.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
> b/drivers/media/i2c/s5c73m3/s5c73m3-core.c index 825ea86..b76ec0e 100644
> --- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
> +++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
> @@ -1111,6 +1111,11 @@ static int s5c73m3_oif_set_fmt(struct v4l2_subdev
> *sd, if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
>  		mf = v4l2_subdev_get_try_format(fh, fmt->pad);
>  		*mf = fmt->format;
> +		if (fmt->pad == OIF_ISP_PAD) {
> +			mf = v4l2_subdev_get_try_format(fh, OIF_SOURCE_PAD);
> +			mf->width = fmt->format.width;
> +			mf->height = fmt->format.height;
> +		}
>  	} else {
>  		switch (fmt->pad) {
>  		case OIF_ISP_PAD:
  
Andrzej Hajda Aug. 9, 2013, 6:24 a.m. UTC | #2
Hi Laurent,

Thank you for the review.

On 08/09/2013 12:58 AM, Laurent Pinchart wrote:
> Hello,
>
> On Wednesday 24 July 2013 16:57:32 Sylwester Nawrocki wrote:
>> From: Andrzej Hajda <a.hajda@samsung.com>
>>
>> Resolution set on ISP pad of S5C73M3-OIF subdev should be
>> propagated to source pad for TRY and ACTIVE formats.
>> The patch adds missing propagation for TRY format.
> I might be missing something, but where's the propagation for the ACTIVE 
> format ?
In case of active format there are no separate containers
for the format of each pad, instead they shares common fields,
precisely .oif_pix_size and .mbus_code.
This way there is no need for extra code for format propagation.

Regards
Andrzej
>
>> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
>> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
>> ---
>>  drivers/media/i2c/s5c73m3/s5c73m3-core.c |    5 +++++
>>  1 file changed, 5 insertions(+)
>>
>> diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
>> b/drivers/media/i2c/s5c73m3/s5c73m3-core.c index 825ea86..b76ec0e 100644
>> --- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
>> +++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
>> @@ -1111,6 +1111,11 @@ static int s5c73m3_oif_set_fmt(struct v4l2_subdev
>> *sd, if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
>>  		mf = v4l2_subdev_get_try_format(fh, fmt->pad);
>>  		*mf = fmt->format;
>> +		if (fmt->pad == OIF_ISP_PAD) {
>> +			mf = v4l2_subdev_get_try_format(fh, OIF_SOURCE_PAD);
>> +			mf->width = fmt->format.width;
>> +			mf->height = fmt->format.height;
>> +		}
>>  	} else {
>>  		switch (fmt->pad) {
>>  		case OIF_ISP_PAD:

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Laurent Pinchart Aug. 9, 2013, 10:19 a.m. UTC | #3
Hi Andrzej,

On Friday 09 August 2013 08:24:10 Andrzej Hajda wrote:
> On 08/09/2013 12:58 AM, Laurent Pinchart wrote:
> > On Wednesday 24 July 2013 16:57:32 Sylwester Nawrocki wrote:
> >> From: Andrzej Hajda <a.hajda@samsung.com>
> >> 
> >> Resolution set on ISP pad of S5C73M3-OIF subdev should be
> >> propagated to source pad for TRY and ACTIVE formats.
> >> The patch adds missing propagation for TRY format.
> > 
> > I might be missing something, but where's the propagation for the ACTIVE
> > format ?
> 
> In case of active format there are no separate containers
> for the format of each pad, instead they shares common fields,
> precisely .oif_pix_size and .mbus_code.
> This way there is no need for extra code for format propagation.

I got confused by the s5c73m3_oif_get_fmt() implementation that retrieves the 
pixel code and frame size from different internal state fields for the soruce 
pad. The code looks correct.

> >> Signed-off-by: Andrzej Hajda <a.hajda@samsung.com>
> >> Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
> >> Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
> >> ---
> >> 
> >>  drivers/media/i2c/s5c73m3/s5c73m3-core.c |    5 +++++
> >>  1 file changed, 5 insertions(+)
> >> 
> >> diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
> >> b/drivers/media/i2c/s5c73m3/s5c73m3-core.c index 825ea86..b76ec0e 100644
> >> --- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
> >> +++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
> >> @@ -1111,6 +1111,11 @@ static int s5c73m3_oif_set_fmt(struct v4l2_subdev
> >> *sd, if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
> >> 
> >>  		mf = v4l2_subdev_get_try_format(fh, fmt->pad);
> >>  		*mf = fmt->format;
> >> 
> >> +		if (fmt->pad == OIF_ISP_PAD) {
> >> +			mf = v4l2_subdev_get_try_format(fh, OIF_SOURCE_PAD);
> >> +			mf->width = fmt->format.width;
> >> +			mf->height = fmt->format.height;
> >> +		}
> >> 
> >>  	} else {
> >>  	
> >>  		switch (fmt->pad) {
> >>  		case OIF_ISP_PAD:
  

Patch

diff --git a/drivers/media/i2c/s5c73m3/s5c73m3-core.c b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
index 825ea86..b76ec0e 100644
--- a/drivers/media/i2c/s5c73m3/s5c73m3-core.c
+++ b/drivers/media/i2c/s5c73m3/s5c73m3-core.c
@@ -1111,6 +1111,11 @@  static int s5c73m3_oif_set_fmt(struct v4l2_subdev *sd,
 	if (fmt->which == V4L2_SUBDEV_FORMAT_TRY) {
 		mf = v4l2_subdev_get_try_format(fh, fmt->pad);
 		*mf = fmt->format;
+		if (fmt->pad == OIF_ISP_PAD) {
+			mf = v4l2_subdev_get_try_format(fh, OIF_SOURCE_PAD);
+			mf->width = fmt->format.width;
+			mf->height = fmt->format.height;
+		}
 	} else {
 		switch (fmt->pad) {
 		case OIF_ISP_PAD: