On Fri, Jun 29, 2018 at 06:42:39PM +0200, Jacopo Mondi wrote:
> From: Jacopo Mondi <jacopo@xxxxxxxxxx>
>
> Change the MIPI CSI-2 interface startup sequence to the following:
>
> Initialization:
> 0x3019 = 0x70 : Lane1, Lane2 and clock in LP11 when in 'sleep mode'
> 0x300e = 0x58 : 2 lanes mode, power down TX and RX, MIPI CSI-2 off
> 0x4800 = 0x20 : Gate clock when not transmitting, LP00 when not transmitting
>
> Stream on:
> 0x300e = 0x4c : 2 lanes mode, power up TX and enable MIPI
>
> Stream off:
> 0x300e = 0x58 : 2 lanes mode, power down TX and RX, MIPI CSI-2 off
>
> Signed-off-by: Jacopo Mondi <jacopo@xxxxxxxxxx>
> ---
> drivers/media/i2c/ov5640.c | 26 ++++++++++++++++++--------
> 1 file changed, 18 insertions(+), 8 deletions(-)
>
> diff --git a/drivers/media/i2c/ov5640.c b/drivers/media/i2c/ov5640.c
> index 1ecbb7a..465acce 100644
> --- a/drivers/media/i2c/ov5640.c
> +++ b/drivers/media/i2c/ov5640.c
> @@ -259,6 +259,7 @@ static inline struct v4l2_subdev *ctrl_to_sd(struct v4l2_ctrl *ctrl)
> static const struct reg_value ov5640_init_setting_30fps_VGA[] = {
> {0x3103, 0x11, 0, 0}, {0x3008, 0x82, 0, 5}, {0x3008, 0x42, 0, 0},
> {0x3103, 0x03, 0, 0}, {0x3017, 0x00, 0, 0}, {0x3018, 0x00, 0, 0},
> + {0x3019, 0x70, 0, 0},
I'd really prefer to remove parts of that array, instead of adding
more to that unmaintainable blob.
Maxime
--
Maxime Ripard, Bootlin (formerly Free Electrons)
Embedded Linux and Kernel engineering
https://bootlin.com
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