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media: mt9m111: make SUBDEV_G_FMT ioctl work with SUBDEV_FORMAT_TRY 

The VIDIOC_SUBDEV_G_FMT ioctl for this driver doesn't recognize
V4L2_SUBDEV_FORMAT_TRY and always works as if V4L2_SUBDEV_FORMAT_ACTIVE
is specified.

Cc: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Cc: Michael Grzeschik <m.grzeschik@pengutronix.de>
Cc: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Akinobu Mita 2019-01-15 12:05:39 -02:00 committed by Mauro Carvalho Chehab
parent 772f63c00c
commit 49410d3abf
1 changed files with 30 additions and 0 deletions
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30
drivers/media/i2c/mt9m111.c
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@ -528,6 +528,16 @@ static int mt9m111_get_fmt(struct v4l2_subdev *sd,
if (format->pad)
return -EINVAL;
if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
mf = v4l2_subdev_get_try_format(sd, cfg, format->pad);
format->format = *mf;
return 0;
#else
return -ENOTTY;
#endif
}
mf->width = mt9m111->width;
mf->height = mt9m111->height;
mf->code = mt9m111->fmt->code;
@ -1089,6 +1099,25 @@ static int mt9m111_s_stream(struct v4l2_subdev *sd, int enable)
return 0;
}
static int mt9m111_init_cfg(struct v4l2_subdev *sd,
struct v4l2_subdev_pad_config *cfg)
{
#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
struct v4l2_mbus_framefmt *format =
v4l2_subdev_get_try_format(sd, cfg, 0);
format->width = MT9M111_MAX_WIDTH;
format->height = MT9M111_MAX_HEIGHT;
format->code = mt9m111_colour_fmts[0].code;
format->colorspace = mt9m111_colour_fmts[0].colorspace;
format->field = V4L2_FIELD_NONE;
format->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
format->quantization = V4L2_QUANTIZATION_DEFAULT;
format->xfer_func = V4L2_XFER_FUNC_DEFAULT;
#endif
return 0;
}
static int mt9m111_g_mbus_config(struct v4l2_subdev *sd,
struct v4l2_mbus_config *cfg)
{
@ -1114,6 +1143,7 @@ static const struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
};
static const struct v4l2_subdev_pad_ops mt9m111_subdev_pad_ops = {
.init_cfg = mt9m111_init_cfg,
.enum_mbus_code = mt9m111_enum_mbus_code,
.get_selection = mt9m111_get_selection,
.set_selection = mt9m111_set_selection,