From 1543e317f1da31b75942316931e8f491a8920811 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Thu, 04 Jan 2024 10:08:02 +0000
Subject: [PATCH] disable FB
---
kernel/drivers/iio/adc/ad7291.c | 40 ++++++++++++++++++++++------------------
1 files changed, 22 insertions(+), 18 deletions(-)
diff --git a/kernel/drivers/iio/adc/ad7291.c b/kernel/drivers/iio/adc/ad7291.c
index a862b5d..2301a0e 100644
--- a/kernel/drivers/iio/adc/ad7291.c
+++ b/kernel/drivers/iio/adc/ad7291.c
@@ -1,9 +1,8 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* AD7291 8-Channel, I2C, 12-Bit SAR ADC with Temperature Sensor
*
* Copyright 2010-2011 Analog Devices Inc.
- *
- * Licensed under the GPL-2 or later.
*/
#include <linux/device.h>
@@ -20,8 +19,6 @@
#include <linux/iio/iio.h>
#include <linux/iio/sysfs.h>
#include <linux/iio/events.h>
-
-#include <linux/platform_data/ad7291.h>
/*
* Simplified handling
@@ -466,7 +463,6 @@
static int ad7291_probe(struct i2c_client *client,
const struct i2c_device_id *id)
{
- struct ad7291_platform_data *pdata = client->dev.platform_data;
struct ad7291_chip_info *chip;
struct iio_dev *indio_dev;
int ret;
@@ -475,16 +471,6 @@
if (!indio_dev)
return -ENOMEM;
chip = iio_priv(indio_dev);
-
- if (pdata && pdata->use_external_ref) {
- chip->reg = devm_regulator_get(&client->dev, "vref");
- if (IS_ERR(chip->reg))
- return PTR_ERR(chip->reg);
-
- ret = regulator_enable(chip->reg);
- if (ret)
- return ret;
- }
mutex_init(&chip->state_lock);
/* this is only used for device removal purposes */
@@ -496,15 +482,26 @@
AD7291_T_SENSE_MASK | /* Tsense always enabled */
AD7291_ALERT_POLARITY; /* set irq polarity low level */
- if (pdata && pdata->use_external_ref)
+ chip->reg = devm_regulator_get_optional(&client->dev, "vref");
+ if (IS_ERR(chip->reg)) {
+ if (PTR_ERR(chip->reg) != -ENODEV)
+ return PTR_ERR(chip->reg);
+
+ chip->reg = NULL;
+ }
+
+ if (chip->reg) {
+ ret = regulator_enable(chip->reg);
+ if (ret)
+ return ret;
+
chip->command |= AD7291_EXT_REF;
+ }
indio_dev->name = id->name;
indio_dev->channels = ad7291_channels;
indio_dev->num_channels = ARRAY_SIZE(ad7291_channels);
- indio_dev->dev.parent = &client->dev;
- indio_dev->dev.of_node = client->dev.of_node;
indio_dev->info = &ad7291_info;
indio_dev->modes = INDIO_DIRECT_MODE;
@@ -570,9 +567,16 @@
MODULE_DEVICE_TABLE(i2c, ad7291_id);
+static const struct of_device_id ad7291_of_match[] = {
+ { .compatible = "adi,ad7291" },
+ {}
+};
+MODULE_DEVICE_TABLE(of, ad7291_of_match);
+
static struct i2c_driver ad7291_driver = {
.driver = {
.name = KBUILD_MODNAME,
+ .of_match_table = ad7291_of_match,
},
.probe = ad7291_probe,
.remove = ad7291_remove,
--
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