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media: imx6-mipi-csi2: use pre_streamon callback to set sensor into LP11

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Step 5 expects that the sensor is in LP11 mode. Use the new
pre_streamon callback to signal the sensor that it should switch into
LP11.

Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
This commit is contained in:
Michael Tretter 2021-11-29 12:27:06 +01:00 committed by Mauro Carvalho Chehab
parent 9de63c9196
commit c00d65e6df
1 changed files with 8 additions and 1 deletions
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9
drivers/staging/media/imx/imx6-mipi-csi2.c
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@ -382,13 +382,17 @@ static int csi2_start(struct csi2_dev *csi2)
csi2_enable(csi2, true);
/* Step 5 */
ret = v4l2_subdev_call(csi2->src_sd, video, pre_streamon,
V4L2_SUBDEV_PRE_STREAMON_FL_MANUAL_LP);
if (ret && ret != -ENOIOCTLCMD)
goto err_assert_reset;
csi2_dphy_wait_stopstate(csi2, lanes);
/* Step 6 */
ret = v4l2_subdev_call(csi2->src_sd, video, s_stream, 1);
ret = (ret && ret != -ENOIOCTLCMD) ? ret : 0;
if (ret)
goto err_assert_reset;
goto err_stop_lp11;
/* Step 7 */
ret = csi2_dphy_wait_clock_lane(csi2);
@ -399,6 +403,8 @@ static int csi2_start(struct csi2_dev *csi2)
err_stop_upstream:
v4l2_subdev_call(csi2->src_sd, video, s_stream, 0);
err_stop_lp11:
v4l2_subdev_call(csi2->src_sd, video, post_streamoff);
err_assert_reset:
csi2_enable(csi2, false);
err_disable_clk:
@ -410,6 +416,7 @@ static void csi2_stop(struct csi2_dev *csi2)
{
/* stop upstream */
v4l2_subdev_call(csi2->src_sd, video, s_stream, 0);
v4l2_subdev_call(csi2->src_sd, video, post_streamoff);
csi2_enable(csi2, false);
clk_disable_unprepare(csi2->pix_clk);