forked from Minki/linux
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>
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@ -528,6 +528,16 @@ static int mt9m111_get_fmt(struct v4l2_subdev *sd,
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if (format->pad)
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return -EINVAL;
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if (format->which == V4L2_SUBDEV_FORMAT_TRY) {
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#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
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mf = v4l2_subdev_get_try_format(sd, cfg, format->pad);
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format->format = *mf;
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return 0;
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#else
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return -ENOTTY;
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#endif
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}
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mf->width = mt9m111->width;
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mf->height = mt9m111->height;
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mf->code = mt9m111->fmt->code;
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@ -1089,6 +1099,25 @@ static int mt9m111_s_stream(struct v4l2_subdev *sd, int enable)
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return 0;
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}
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static int mt9m111_init_cfg(struct v4l2_subdev *sd,
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struct v4l2_subdev_pad_config *cfg)
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{
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#ifdef CONFIG_VIDEO_V4L2_SUBDEV_API
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struct v4l2_mbus_framefmt *format =
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v4l2_subdev_get_try_format(sd, cfg, 0);
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format->width = MT9M111_MAX_WIDTH;
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format->height = MT9M111_MAX_HEIGHT;
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format->code = mt9m111_colour_fmts[0].code;
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format->colorspace = mt9m111_colour_fmts[0].colorspace;
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format->field = V4L2_FIELD_NONE;
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format->ycbcr_enc = V4L2_YCBCR_ENC_DEFAULT;
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format->quantization = V4L2_QUANTIZATION_DEFAULT;
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format->xfer_func = V4L2_XFER_FUNC_DEFAULT;
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#endif
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return 0;
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}
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static int mt9m111_g_mbus_config(struct v4l2_subdev *sd,
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struct v4l2_mbus_config *cfg)
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{
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@ -1114,6 +1143,7 @@ static const struct v4l2_subdev_video_ops mt9m111_subdev_video_ops = {
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};
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static const struct v4l2_subdev_pad_ops mt9m111_subdev_pad_ops = {
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.init_cfg = mt9m111_init_cfg,
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.enum_mbus_code = mt9m111_enum_mbus_code,
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.get_selection = mt9m111_get_selection,
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.set_selection = mt9m111_set_selection,
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