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/potentiostat/lmp91000.c | 29 ++++++++++++-----------------
1 files changed, 12 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/iio/potentiostat/lmp91000.c b/kernel/drivers/iio/potentiostat/lmp91000.c
index 68f4f6f..d7ff74a 100644
--- a/kernel/drivers/iio/potentiostat/lmp91000.c
+++ b/kernel/drivers/iio/potentiostat/lmp91000.c
@@ -11,7 +11,7 @@
#include <linux/module.h>
#include <linux/i2c.h>
#include <linux/delay.h>
-#include <linux/of.h>
+#include <linux/mod_devicetable.h>
#include <linux/regmap.h>
#include <linux/iio/iio.h>
#include <linux/iio/buffer.h>
@@ -113,7 +113,7 @@
return -EINVAL;
/* delay till first temperature reading is complete */
- if ((state != channel) && (channel == LMP91000_REG_MODECN_TEMP))
+ if (state != channel && channel == LMP91000_REG_MODECN_TEMP)
usleep_range(3000, 4000);
data->chan_select = channel != LMP91000_REG_MODECN_3LEAD;
@@ -205,18 +205,16 @@
static int lmp91000_read_config(struct lmp91000_data *data)
{
struct device *dev = data->dev;
- struct device_node *np = dev->of_node;
unsigned int reg, val;
int i, ret;
- ret = of_property_read_u32(np, "ti,tia-gain-ohm", &val);
+ ret = device_property_read_u32(dev, "ti,tia-gain-ohm", &val);
if (ret) {
- if (of_property_read_bool(np, "ti,external-tia-resistor"))
- val = 0;
- else {
- dev_err(dev, "no ti,tia-gain-ohm defined");
+ if (!device_property_read_bool(dev, "ti,external-tia-resistor")) {
+ dev_err(dev, "no ti,tia-gain-ohm defined and external resistor not specified\n");
return ret;
}
+ val = 0;
}
ret = -EINVAL;
@@ -233,7 +231,7 @@
return ret;
}
- ret = of_property_read_u32(np, "ti,rload-ohm", &val);
+ ret = device_property_read_u32(dev, "ti,rload-ohm", &val);
if (ret) {
val = 100;
dev_info(dev, "no ti,rload-ohm defined, default to %d\n", val);
@@ -255,8 +253,8 @@
regmap_write(data->regmap, LMP91000_REG_LOCK, 0);
regmap_write(data->regmap, LMP91000_REG_TIACN, reg);
- regmap_write(data->regmap, LMP91000_REG_REFCN, LMP91000_REG_REFCN_EXT_REF
- | LMP91000_REG_REFCN_50_ZERO);
+ regmap_write(data->regmap, LMP91000_REG_REFCN,
+ LMP91000_REG_REFCN_EXT_REF | LMP91000_REG_REFCN_50_ZERO);
regmap_write(data->regmap, LMP91000_REG_LOCK, 1);
return 0;
@@ -276,8 +274,7 @@
static const struct iio_trigger_ops lmp91000_trigger_ops = {
};
-
-static int lmp91000_buffer_preenable(struct iio_dev *indio_dev)
+static int lmp91000_buffer_postenable(struct iio_dev *indio_dev)
{
struct lmp91000_data *data = iio_priv(indio_dev);
@@ -294,8 +291,7 @@
}
static const struct iio_buffer_setup_ops lmp91000_buffer_setup_ops = {
- .preenable = lmp91000_buffer_preenable,
- .postenable = iio_triggered_buffer_postenable,
+ .postenable = lmp91000_buffer_postenable,
.predisable = lmp91000_buffer_predisable,
};
@@ -315,7 +311,6 @@
indio_dev->channels = lmp91000_channels;
indio_dev->num_channels = ARRAY_SIZE(lmp91000_channels);
indio_dev->name = LMP91000_DRV_NAME;
- indio_dev->dev.parent = &client->dev;
indio_dev->modes = INDIO_DIRECT_MODE;
i2c_set_clientdata(client, indio_dev);
@@ -426,7 +421,7 @@
static struct i2c_driver lmp91000_driver = {
.driver = {
.name = LMP91000_DRV_NAME,
- .of_match_table = of_match_ptr(lmp91000_of_match),
+ .of_match_table = lmp91000_of_match,
},
.probe = lmp91000_probe,
.remove = lmp91000_remove,
--
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