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media: i2c: tc35874x: reconfig csi after stop stream

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stop stream just close data output, csi phy state maybe not ok
for next start stream. so reset and config csi during stop stream.

Change-Id: Ic2eea6058249c294a5a4c036c87bf0b655986025
Signed-off-by: Cai YiWei <cyw@rock-chips.com>
This commit is contained in:
Cai YiWei
2019-01-04 11:57:06 +08:00
committed by Tao Huang
parent 22fcda3e9d
commit 00ebe2a499
1 changed files with 10 additions and 4 deletions
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14
drivers/media/i2c/tc35874x.c
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@@ -402,6 +402,13 @@ static int tc35874x_get_detected_timings(struct v4l2_subdev *sd,
bt->height *= 2;
bt->il_vsync = bt->vsync + 1;
bt->pixelclock /= 2;
/* frame count number: FS = FE 1,2,1,2... */
i2c_wr16(sd, FCCTL, 0x0002);
/* packet id for interlace mode only */
i2c_wr16(sd, PACKETID1, 0x1e1e);
} else {
i2c_wr16(sd, FCCTL, 0);
}
return 0;
@@ -1524,6 +1531,9 @@ static int tc35874x_s_stream(struct v4l2_subdev *sd, int enable)
{
enable_stream(sd, enable);
/* stop stream to reset csi*/
if (!enable)
tc35874x_set_csi(sd);
return 0;
}
@@ -1687,10 +1697,6 @@ static int tc35874x_s_edid(struct v4l2_subdev *sd,
state->edid_blocks_written = edid->blocks;
/* frame count number: FS = FE 1,2,1,2... */
i2c_wr16(sd, FCCTL, 0x0002);
/* packet id for interlace mode only */
i2c_wr16(sd, PACKETID1, 0x1e1e);
if (tx_5v_power_present(sd))
tc35874x_enable_edid(sd);