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Commit 1bb086bc authored by Philipp Zabel's avatar Philipp Zabel Committed by Mauro Carvalho Chehab
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media: tvp5150: split reset/enable routine



To trigger standard autodetection only the reset part of the routine
is necessary during probe(). Split this out to make it callable on its own.

[m.felsch@pengutronix.de: adapt commit message]
[m.felsch@pengutronix.de: add tvp5150_enable() to tvp5150_s_stream()]
[m.chehab@samsung.com: fix a compilation breakage]
Signed-off-by: default avatarPhilipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: default avatarMarco Felsch <m.felsch@pengutronix.de>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab+samsung@kernel.org>
parent 15695866
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+13 −4
Original line number Diff line number Diff line
@@ -802,7 +802,6 @@ static v4l2_std_id tvp5150_read_std(struct v4l2_subdev *sd)
static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
{
	struct tvp5150 *decoder = to_tvp5150(sd);
	v4l2_std_id std;

	/* Initializes TVP5150 to its default values */
	tvp5150_write_inittab(sd, tvp5150_init_default);
@@ -813,12 +812,20 @@ static int tvp5150_reset(struct v4l2_subdev *sd, u32 val)
	/* Selects decoder input */
	tvp5150_selmux(sd);

	/* Initializes TVP5150 to stream enabled values */
	tvp5150_write_inittab(sd, tvp5150_init_enable);

	/* Initialize image preferences */
	v4l2_ctrl_handler_setup(&decoder->hdl);

	return 0;
}

static int tvp5150_enable(struct v4l2_subdev *sd)
{
	struct tvp5150 *decoder = to_tvp5150(sd);
	v4l2_std_id std;

	/* Initializes TVP5150 to stream enabled values */
	tvp5150_write_inittab(sd, tvp5150_init_enable);

	if (decoder->norm == V4L2_STD_ALL)
		std = tvp5150_read_std(sd);
	else
@@ -1105,6 +1112,8 @@ static int tvp5150_s_stream(struct v4l2_subdev *sd, int enable)
	       TVP5150_MISC_CTL_CLOCK_OE;

	if (enable) {
		tvp5150_enable(sd);

		/*
		 * Enable the YCbCr and clock outputs. In discrete sync mode
		 * (non-BT.656) additionally enable the the sync outputs.