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Subject: V4L/DVB: tvp7002: add support for enum/try/g/s_mbus_fmt Author: Hans Verkuil <[email protected]> Date: Sun May 9 07:07:35 2010 -0300 Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/video/tvp7002.c | 54 +++++++++++++++++++++++++++++++++++++++++ 1 files changed, 54 insertions(+), 0 deletions(-) --- http://git.linuxtv.org/media-tree.git?a=commitdiff;h=3f8da9932274615d0b02f4032aeaf3b9812b3442 diff --git a/drivers/media/video/tvp7002.c b/drivers/media/video/tvp7002.c index 48f5c76..45eb19f 100644 --- a/drivers/media/video/tvp7002.c +++ b/drivers/media/video/tvp7002.c @@ -695,6 +695,37 @@ static int tvp7002_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc) } /* + * tvp7002_mbus_fmt() - V4L2 decoder interface handler for try/s/g_mbus_fmt + * @sd: pointer to standard V4L2 sub-device structure + * @f: pointer to mediabus format structure + * + * Negotiate the image capture size and mediabus format. + * There is only one possible format, so this single function works for + * get, set and try. + */ +static int tvp7002_mbus_fmt(struct v4l2_subdev *sd, struct v4l2_mbus_framefmt *f) +{ + struct tvp7002 *device = to_tvp7002(sd); + struct v4l2_dv_enum_preset e_preset; + int error; + + /* Calculate height and width based on current standard */ + error = v4l_fill_dv_preset_info(device->current_preset->preset, &e_preset); + if (error) + return error; + + f->width = e_preset.width; + f->height = e_preset.height; + f->code = V4L2_MBUS_FMT_YUYV10_1X20; + f->field = device->current_preset->scanmode; + f->colorspace = device->current_preset->color_space; + + v4l2_dbg(1, debug, sd, "MBUS_FMT: Width - %d, Height - %d", + f->width, f->height); + return 0; +} + +/* * tvp7002_try_fmt_cap() - V4L2 decoder interface handler for try_fmt * @sd: pointer to standard V4L2 sub-device structure * @f: pointer to standard V4L2 VIDIOC_TRY_FMT ioctl structure @@ -913,6 +944,25 @@ static int tvp7002_enum_fmt(struct v4l2_subdev *sd, } /* + * tvp7002_enum_mbus_fmt() - Enum supported mediabus formats + * @sd: pointer to standard V4L2 sub-device structure + * @index: format index + * @code: pointer to mediabus format + * + * Enumerate supported mediabus formats. + */ + +static int tvp7002_enum_mbus_fmt(struct v4l2_subdev *sd, unsigned index, + enum v4l2_mbus_pixelcode *code) +{ + /* Check requested format index is within range */ + if (index) + return -EINVAL; + *code = V4L2_MBUS_FMT_YUYV10_1X20; + return 0; +} + +/* * tvp7002_s_stream() - V4L2 decoder i/f handler for s_stream * @sd: pointer to standard V4L2 sub-device structure * @enable: streaming enable or disable @@ -1030,6 +1080,10 @@ static const struct v4l2_subdev_video_ops tvp7002_video_ops = { .g_fmt = tvp7002_g_fmt, .s_fmt = tvp7002_s_fmt, .enum_fmt = tvp7002_enum_fmt, + .g_mbus_fmt = tvp7002_mbus_fmt, + .try_mbus_fmt = tvp7002_mbus_fmt, + .s_mbus_fmt = tvp7002_mbus_fmt, + .enum_mbus_fmt = tvp7002_enum_mbus_fmt, }; /* V4L2 top level operation handlers */ _______________________________________________ linuxtv-commits mailing list [email protected] http://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
