From d2ccde1c8e90d38cee87a1b0309ad2827f3fd30d Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 02:45:28 +0000
Subject: [PATCH] add boot partition size
---
kernel/drivers/media/i2c/ad5820.c | 47 +++++++++++++++++++++++++++++++++--------------
1 files changed, 33 insertions(+), 14 deletions(-)
diff --git a/kernel/drivers/media/i2c/ad5820.c b/kernel/drivers/media/i2c/ad5820.c
index 034ebf7..19c74db 100644
--- a/kernel/drivers/media/i2c/ad5820.c
+++ b/kernel/drivers/media/i2c/ad5820.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* drivers/media/i2c/ad5820.c
*
@@ -11,15 +12,6 @@
* Sakari Ailus <sakari.ailus@iki.fi>
*
* Based on af_d88.c by Texas Instruments.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * version 2 as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * General Public License for more details.
*/
#include <linux/errno.h>
@@ -27,12 +19,11 @@
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/regulator/consumer.h>
+#include <linux/gpio/consumer.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-device.h>
#include <media/v4l2-subdev.h>
-
-#define AD5820_NAME "ad5820"
/* Register definitions */
#define AD5820_POWER_DOWN (1 << 15)
@@ -54,6 +45,8 @@
u32 focus_absolute;
u32 focus_ramp_time;
u32 focus_ramp_mode;
+
+ struct gpio_desc *enable_gpio;
struct mutex power_lock;
int power_count;
@@ -122,6 +115,8 @@
ret = ad5820_update_hw(coil);
}
+ gpiod_set_value_cansleep(coil->enable_gpio, 0);
+
ret2 = regulator_disable(coil->vana);
if (ret)
return ret;
@@ -136,6 +131,8 @@
if (ret < 0)
return ret;
+ gpiod_set_value_cansleep(coil->enable_gpio, 1);
+
if (restore) {
/* Restore the hardware settings. */
coil->standby = false;
@@ -146,6 +143,7 @@
return 0;
fail:
+ gpiod_set_value_cansleep(coil->enable_gpio, 0);
coil->standby = true;
regulator_disable(coil->vana);
@@ -312,12 +310,22 @@
return ret;
}
+ coil->enable_gpio = devm_gpiod_get_optional(&client->dev, "enable",
+ GPIOD_OUT_LOW);
+ if (IS_ERR(coil->enable_gpio)) {
+ ret = PTR_ERR(coil->enable_gpio);
+ if (ret != -EPROBE_DEFER)
+ dev_err(&client->dev, "could not get enable gpio\n");
+ return ret;
+ }
+
mutex_init(&coil->power_lock);
v4l2_i2c_subdev_init(&coil->subdev, client, &ad5820_ops);
coil->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
coil->subdev.internal_ops = &ad5820_internal_ops;
- strcpy(coil->subdev.name, "ad5820 focus");
+ coil->subdev.entity.function = MEDIA_ENT_F_LENS;
+ strscpy(coil->subdev.name, "ad5820 focus", sizeof(coil->subdev.name));
ret = media_entity_pads_init(&coil->subdev.entity, 0, NULL);
if (ret < 0)
@@ -349,17 +357,28 @@
}
static const struct i2c_device_id ad5820_id_table[] = {
- { AD5820_NAME, 0 },
+ { "ad5820", 0 },
+ { "ad5821", 0 },
+ { "ad5823", 0 },
{ }
};
MODULE_DEVICE_TABLE(i2c, ad5820_id_table);
+
+static const struct of_device_id ad5820_of_table[] = {
+ { .compatible = "adi,ad5820" },
+ { .compatible = "adi,ad5821" },
+ { .compatible = "adi,ad5823" },
+ { }
+};
+MODULE_DEVICE_TABLE(of, ad5820_of_table);
static SIMPLE_DEV_PM_OPS(ad5820_pm, ad5820_suspend, ad5820_resume);
static struct i2c_driver ad5820_i2c_driver = {
.driver = {
- .name = AD5820_NAME,
+ .name = "ad5820",
.pm = &ad5820_pm,
+ .of_match_table = ad5820_of_table,
},
.probe = ad5820_probe,
.remove = ad5820_remove,
--
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