From: "Lad Prabhakar" <prabhakar.mahadev-lad.rj@bp.renesas.com>
To: cip-dev@lists.cip-project.org,
Nobuhiro Iwamatsu <nobuhiro1.iwamatsu@toshiba.co.jp>,
Pavel Machek <pavel@denx.de>
Cc: Biju Das <biju.das.jz@bp.renesas.com>
Subject: [cip-dev] [PATCH 4.19.y-cip 14/40] media: i2c: imx219: Fix power sequence
Date: Tue, 9 Mar 2021 16:36:30 +0000 [thread overview]
Message-ID: <20210309163656.20944-15-prabhakar.mahadev-lad.rj@bp.renesas.com> (raw)
In-Reply-To: <20210309163656.20944-1-prabhakar.mahadev-lad.rj@bp.renesas.com>
[-- Attachment #1: Type: text/plain, Size: 2074 bytes --]
commit ca45448a56659c6df6e0436188e97f6cc65dea8a upstream.
When supporting Rpi Camera v2 Module on the RZ/G2E, found the driver had
some issues with rcar mipi-csi driver. The sensor never entered into LP-11
state.
The powerup sequence in the datasheet[1] shows the sensor entering into
LP-11 in streaming mode, so to fix this issue transitions are performed
from "streaming -> standby" in the probe() after power up.
With this commit the sensor is able to enter LP-11 mode during power up,
as expected by some CSI-2 controllers.
[1] https://publiclab.org/system/images/photos/000/023/294/original/
RASPBERRY_PI_CAMERA_V2_DATASHEET_IMX219PQH5_7.0.0_Datasheet_XXX.PDF
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Acked-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
drivers/media/i2c/imx219.c | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/drivers/media/i2c/imx219.c b/drivers/media/i2c/imx219.c
index c67b2cf5c32c..f1ae93569542 100644
--- a/drivers/media/i2c/imx219.c
+++ b/drivers/media/i2c/imx219.c
@@ -1224,6 +1224,23 @@ static int imx219_probe(struct i2c_client *client)
/* Set default mode to max resolution */
imx219->mode = &supported_modes[0];
+ /* sensor doesn't enter LP-11 state upon power up until and unless
+ * streaming is started, so upon power up switch the modes to:
+ * streaming -> standby
+ */
+ ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT,
+ IMX219_REG_VALUE_08BIT, IMX219_MODE_STREAMING);
+ if (ret < 0)
+ goto error_power_off;
+ usleep_range(100, 110);
+
+ /* put sensor back to standby mode */
+ ret = imx219_write_reg(imx219, IMX219_REG_MODE_SELECT,
+ IMX219_REG_VALUE_08BIT, IMX219_MODE_STANDBY);
+ if (ret < 0)
+ goto error_power_off;
+ usleep_range(100, 110);
+
ret = imx219_init_controls(imx219);
if (ret)
goto error_power_off;
--
2.17.1
[-- Attachment #2: Type: text/plain, Size: 428 bytes --]
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next prev parent reply other threads:[~2021-03-09 16:37 UTC|newest]
Thread overview: 59+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-09 16:36 [cip-dev] [PATCH 4.19.y-cip 00/40] Renesas RZ/G2{E,H,M,N} add VIN, CSI2 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 01/40] media: ov5645: Remove unneeded regulator_set_voltage() Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 02/40] media: device property: Add a function to test is a fwnode is a graph endpoint Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 03/40] media: v4l2-async: Accept endpoints and devices for fwnode matching Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 04/40] media: v4l2-async: Pass notifier pointer to match functions Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 05/40] media: v4l2-async: Log message in case of heterogeneous fwnode match Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 06/40] media: v4l: ctrl: Provide unlocked variant of v4l2_ctrl_grab Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 07/40] media: rcar-vin: fix wrong return value in rvin_set_channel_routing() Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 08/40] media: rcar-csi2: Update V3M and E3 start procedure Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 09/40] media: rcar-vin: Invalidate pipeline if conversion is not possible on input formats Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 10/40] media: rcar-vin: Add support for MEDIA_BUS_FMT_SRGGB8_1X8 format Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 11/40] media: rcar-csi2: " Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 12/40] media: dt-bindings: media: i2c: Add IMX219 CMOS sensor binding Lad Prabhakar
2021-03-09 18:52 ` Pavel Machek
2021-03-10 8:48 ` Lad Prabhakar
2021-03-10 9:38 ` Pavel Machek
2021-03-10 10:24 ` Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 13/40] media: i2c: Add driver for Sony IMX219 sensor Lad Prabhakar
2021-03-09 20:36 ` Pavel Machek
2021-03-10 9:36 ` Lad Prabhakar
2021-03-09 16:36 ` Lad Prabhakar [this message]
2021-03-09 19:42 ` [cip-dev] [PATCH 4.19.y-cip 14/40] media: i2c: imx219: Fix power sequence Pavel Machek
2021-03-10 8:49 ` Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 15/40] media: i2c: imx219: Add support for RAW8 bit bayer format Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 16/40] media: i2c: imx219: Add support for cropped 640x480 resolution Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 17/40] media: i2c: imx219: Implement get_selection Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 18/40] media: i2c: imx219: Fix a bug in imx219_enum_frame_size Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 19/40] media: i2c: imx219: Selection compliance fixes Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 20/40] media: i2c: imx219: take lock in imx219_enum_mbus_code/frame_size Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 21/40] arm64: dts: renesas: r8a774c0-cat874: Add support for AISTARVISION MIPI Adapter V2.1 Lad Prabhakar
2021-03-09 20:39 ` Pavel Machek
2021-03-10 9:37 ` Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 22/40] media: dt-bindings: media: rcar_vin: Add r8a774a1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 23/40] media: rcar-vin: Enable support for r8a774a1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 24/40] media: dt-bindings: media: rcar-csi2: Add r8a774a1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 25/40] media: rcar-csi2: Enable support for r8a774a1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 26/40] arm64: dts: renesas: r8a774a1: Add VIN and CSI-2 nodes Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 27/40] media: dt-bindings: rcar-vin: Add R8A774B1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 28/40] media: rcar-vin: Enable support for R8A774B1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 29/40] media: dt-bindings: rcar-csi2: Add R8A774B1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 30/40] media: rcar-csi2: Enable support for R8A774B1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 31/40] arm64: dts: renesas: r8a774b1: Add VIN and CSI-2 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 32/40] media: dt-bindings: media: renesas,vin: Add R8A774E1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 33/40] media: rcar-vin: Enable support for R8A774E1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 34/40] media: dt-bindings: media: renesas,csi2: Add R8A774E1 support Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 35/40] media: rcar-csi2: Enable support for R8A774E1 Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 36/40] arm64: dts: renesas: r8a774e1: Add VIN and CSI-2 nodes Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 37/40] arm64: dts: renesas: aistarvision-mipi-adapter-2.1: Add parent macro for each sensor Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 38/40] arm64: dts: renesas: Add support for MIPI Adapter V2.1 connected to HiHope RZ/G2H Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 39/40] arm64: dts: renesas: Add support for MIPI Adapter V2.1 connected to HiHope RZ/G2M Lad Prabhakar
2021-03-09 16:36 ` [cip-dev] [PATCH 4.19.y-cip 40/40] arm64: dts: renesas: Add support for MIPI Adapter V2.1 connected to HiHope RZ/G2N Lad Prabhakar
2021-03-09 20:48 ` [cip-dev] [PATCH 4.19.y-cip 00/40] Renesas RZ/G2{E,H,M,N} add VIN, CSI2 support Pavel Machek
2021-03-09 23:13 ` Pavel Machek
2021-03-10 8:07 ` Nobuhiro Iwamatsu
2021-03-10 9:41 ` Lad Prabhakar
2021-03-10 10:58 ` Chris Paterson
[not found] ` <166AF609ACF1E617.19014@lists.cip-project.org>
2021-03-22 22:11 ` Chris Paterson
2021-03-23 7:31 ` Nobuhiro Iwamatsu
2021-03-23 7:50 ` Chris Paterson
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