target/linux/bcm27xx/patches-6.1/950-0819-drivers-media-imx296-Add-standby-delay-during-probe.patch

   1 From 5fb3b300557d6a6902e7321f42fdabb8c09eef54 Mon Sep 17 00:00:00 2001
   2 From: Naushir Patuck <naush@raspberrypi.com>
   3 Date: Fri, 28 Jul 2023 12:00:40 +0100
   4 Subject: [PATCH] drivers: media: imx296: Add standby delay during probe
   5
   6 Add a 2-5ms delay when coming out of standby and before reading the
   7 sensor info register durning probe, as instructed by the datasheet. This
   8 standby delay is already present when the sensor starts streaming.
   9
  10 Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
  11 ---
  12  drivers/media/i2c/imx296.c | 2 ++
  13  1 file changed, 2 insertions(+)
  14
  15 --- a/drivers/media/i2c/imx296.c
  16 +++ b/drivers/media/i2c/imx296.c
  17 @@ -1022,6 +1022,8 @@ static int imx296_identify_model(struct
  18                 return ret;
  19         }
  20
  21 +       usleep_range(2000, 5000);
  22 +
  23         ret = imx296_read(sensor, IMX296_SENSOR_INFO);
  24         if (ret < 0) {
  25                 dev_err(sensor->dev, "failed to read sensor information (%d)\n",