openwrt/target/linux/bcm27xx/patches-5.15/950-0825-media-i2c-imx258-Set-pixel_rate-range-to-the-same-as.patch

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From 3d314e1c554ea4cc64dcdd5e227767a518b7dcb2 Mon Sep 17 00:00:00 2001
From: Dave Stevenson <dave.stevenson@raspberrypi.com>
Date: Fri, 1 Apr 2022 18:54:12 +0100
Subject: [PATCH] media: i2c: imx258: Set pixel_rate range to the same
as the value
With a read only control there is limited point in advertising
a minimum and maximum for the control, so change to set the
value, min, and max all to the selected pixel rate.
Signed-off-by: Dave Stevenson <dave.stevenson@raspberrypi.com>
---
drivers/media/i2c/imx258.c | 18 +++++++-----------
1 file changed, 7 insertions(+), 11 deletions(-)
--- a/drivers/media/i2c/imx258.c
+++ b/drivers/media/i2c/imx258.c
@@ -1237,7 +1237,8 @@ static int imx258_set_pad_format(struct
link_freq = imx258->link_freq_menu_items[mode->link_freq_index];
pixel_rate = link_freq_to_pixel_rate(link_freq, imx258->nlanes);
- __v4l2_ctrl_s_ctrl_int64(imx258->pixel_rate, pixel_rate);
+ __v4l2_ctrl_modify_range(imx258->pixel_rate, pixel_rate,
+ pixel_rate, 1, pixel_rate);
/* Update limits and set FPS to default */
vblank_def = imx258->cur_mode->vts_def -
imx258->cur_mode->height;
@@ -1546,8 +1547,7 @@ static int imx258_init_controls(struct i
struct v4l2_ctrl_handler *ctrl_hdlr;
s64 vblank_def;
s64 vblank_min;
- s64 pixel_rate_min;
- s64 pixel_rate_max;
+ s64 pixel_rate;
int ret;
ctrl_hdlr = &imx258->ctrl_handler;
@@ -1567,17 +1567,13 @@ static int imx258_init_controls(struct i
if (imx258->link_freq)
imx258->link_freq->flags |= V4L2_CTRL_FLAG_READ_ONLY;
- pixel_rate_max =
- link_freq_to_pixel_rate(imx258->link_freq_menu_items[0],
- imx258->nlanes);
- pixel_rate_min =
- link_freq_to_pixel_rate(imx258->link_freq_menu_items[1],
- imx258->nlanes);
+ pixel_rate = link_freq_to_pixel_rate(imx258->link_freq_menu_items[0],
+ imx258->nlanes);
/* By default, PIXEL_RATE is read only */
imx258->pixel_rate = v4l2_ctrl_new_std(ctrl_hdlr, &imx258_ctrl_ops,
V4L2_CID_PIXEL_RATE,
- pixel_rate_min, pixel_rate_max,
- 1, pixel_rate_max);
+ pixel_rate, pixel_rate,
+ 1, pixel_rate);
vblank_def = imx258->cur_mode->vts_def - imx258->cur_mode->height;