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Message-ID: <4efee746-f59c-fc61-7811-fc3c7ceb1e7f@ideasonboard.com>
Date: Wed, 30 Aug 2023 12:52:21 +0530
From: Umang Jain <umang.jain@...asonboard.com>
To: Laurent Pinchart <laurent.pinchart@...asonboard.com>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
Michael Riesch <michael.riesch@...fvision.net>,
Sakari Ailus <sakari.ailus@...ux.intel.com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Ricardo Ribalda <ribalda@...nel.org>,
Kieran Bingham <kieran.bingham@...asonboard.com>
Subject: Re: [PATCH 1/2] media: i2c: imx214: Use v4l2_subdev_get_fmt()
Hi Laurent,
On 8/30/23 12:49 PM, Laurent Pinchart wrote:
> On Wed, Aug 30, 2023 at 10:23:22AM +0530, Umang Jain wrote:
>> The imx214 driver uses the subdev active state, there's no
> Does it ? I don't see a call to v4l2_subdev_init_finalize(), and the
> imx214 struct has fmt and crop fields in which it stores the active
> format.
Yes, It doesn't. Got confused with one of the pad ops (.init_cfg) which
led me thinking this driver uses active state, whereas I should have
checked v4l2_subdev_init_finalize()
Apologies for the noise.
This patch should be discarded.
>
>> need to implement the .get_fmt() operation manually. Use the
>> v4l2_subdev_get_fmt() helper instead.
>>
>> Signed-off-by: Umang Jain <umang.jain@...asonboard.com>
>> ---
>> drivers/media/i2c/imx214.c | 17 +----------------
>> 1 file changed, 1 insertion(+), 16 deletions(-)
>>
>> diff --git a/drivers/media/i2c/imx214.c b/drivers/media/i2c/imx214.c
>> index 2f9c8582f940..d8bdc52f552a 100644
>> --- a/drivers/media/i2c/imx214.c
>> +++ b/drivers/media/i2c/imx214.c
>> @@ -548,21 +548,6 @@ __imx214_get_pad_format(struct imx214 *imx214,
>> }
>> }
>>
>> -static int imx214_get_format(struct v4l2_subdev *sd,
>> - struct v4l2_subdev_state *sd_state,
>> - struct v4l2_subdev_format *format)
>> -{
>> - struct imx214 *imx214 = to_imx214(sd);
>> -
>> - mutex_lock(&imx214->mutex);
>> - format->format = *__imx214_get_pad_format(imx214, sd_state,
>> - format->pad,
>> - format->which);
>> - mutex_unlock(&imx214->mutex);
>> -
>> - return 0;
>> -}
>> -
>> static struct v4l2_rect *
>> __imx214_get_pad_crop(struct imx214 *imx214,
>> struct v4l2_subdev_state *sd_state,
>> @@ -842,7 +827,7 @@ static const struct v4l2_subdev_pad_ops imx214_subdev_pad_ops = {
>> .enum_mbus_code = imx214_enum_mbus_code,
>> .enum_frame_size = imx214_enum_frame_size,
>> .enum_frame_interval = imx214_enum_frame_interval,
>> - .get_fmt = imx214_get_format,
>> + .get_fmt = v4l2_subdev_get_fmt,
>> .set_fmt = imx214_set_format,
>> .get_selection = imx214_get_selection,
>> .init_cfg = imx214_entity_init_cfg,
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