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From 55ed8cded4af6530276b26f567601bed868ae8f5 Mon Sep 17 00:00:00 2001
From: Lee Jackson <lee.jackson@arducam.com>
Date: Wed, 10 Jan 2024 08:52:54 +0800
Subject: [PATCH] drivers: media: imx519: Add V4L2_CID_LINK_FREQ control
Add V4L2_CID_LINK_FREQ as a read-only control with a value of 408 Mhz.
This will be used by the CFE driver to corretly setup the DPHY timing
parameters in the CSI-2 block.
Signed-off-by: Lee Jackson <lee.jackson@arducam.com>
---
drivers/media/i2c/imx519.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
--- a/drivers/media/i2c/imx519.c
+++ b/drivers/media/i2c/imx519.c
@@ -145,6 +145,10 @@ struct imx519_mode {
struct imx519_reg_list reg_list;
};
+static const s64 imx519_link_freq_menu[] = {
+ IMX519_DEFAULT_LINK_FREQ,
+};
+
static const struct imx519_reg mode_common_regs[] = {
{0x0100, 0x00},
{0x0136, 0x18},
@@ -1819,6 +1823,7 @@ static int imx519_init_controls(struct i
struct v4l2_ctrl_handler *ctrl_hdlr;
struct i2c_client *client = v4l2_get_subdevdata(&imx519->sd);
struct v4l2_fwnode_device_properties props;
+ struct v4l2_ctrl *link_freq;
unsigned int i;
int ret;
@@ -1837,6 +1842,15 @@ static int imx519_init_controls(struct i
IMX519_PIXEL_RATE, 1,
IMX519_PIXEL_RATE);
+ /* LINK_FREQ is also read only */
+ link_freq =
+ v4l2_ctrl_new_int_menu(ctrl_hdlr, &imx519_ctrl_ops,
+ V4L2_CID_LINK_FREQ,
+ ARRAY_SIZE(imx519_link_freq_menu) - 1, 0,
+ imx519_link_freq_menu);
+ if (link_freq)
+ link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
+
/*
* Create the controls here, but mode specific limits are setup
* in the imx519_set_framing_limits() call below.
|