From 37f49e37ab4cb5d0bc4c60eb5c6d4dd57db767bb Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:44:59 +0000
Subject: [PATCH] gmac get mac form eeprom
---
kernel/drivers/iio/magnetometer/hmc5843_core.c | 40 +++++++++++++++++++++++-----------------
1 files changed, 23 insertions(+), 17 deletions(-)
diff --git a/kernel/drivers/iio/magnetometer/hmc5843_core.c b/kernel/drivers/iio/magnetometer/hmc5843_core.c
index ada142f..221563e 100644
--- a/kernel/drivers/iio/magnetometer/hmc5843_core.c
+++ b/kernel/drivers/iio/magnetometer/hmc5843_core.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Device driver for the the HMC5843 multi-chip module designed
* for low field magnetic sensing.
@@ -8,16 +9,6 @@
* Acknowledgment: Jonathan Cameron <jic23@kernel.org> for valuable inputs.
* Support for HMC5883 and HMC5883L by Peter Meerwald <pmeerw@pmeerw.net>.
* Split to multiple files by Josef Gajdusek <atx@atx.name> - 2014
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * 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/module.h>
@@ -237,6 +228,15 @@
return hmc5843_set_meas_conf(data, meas_conf);
}
+static const struct iio_mount_matrix *
+hmc5843_get_mount_matrix(const struct iio_dev *indio_dev,
+ const struct iio_chan_spec *chan)
+{
+ struct hmc5843_data *data = iio_priv(indio_dev);
+
+ return &data->orientation;
+}
+
static const struct iio_enum hmc5843_meas_conf_enum = {
.items = hmc5843_meas_conf_modes,
.num_items = ARRAY_SIZE(hmc5843_meas_conf_modes),
@@ -245,9 +245,10 @@
};
static const struct iio_chan_spec_ext_info hmc5843_ext_info[] = {
- IIO_ENUM("meas_conf", true, &hmc5843_meas_conf_enum),
+ IIO_ENUM("meas_conf", IIO_SHARED_BY_TYPE, &hmc5843_meas_conf_enum),
IIO_ENUM_AVAILABLE("meas_conf", &hmc5843_meas_conf_enum),
- { },
+ IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, hmc5843_get_mount_matrix),
+ { }
};
static const struct iio_enum hmc5983_meas_conf_enum = {
@@ -258,9 +259,10 @@
};
static const struct iio_chan_spec_ext_info hmc5983_ext_info[] = {
- IIO_ENUM("meas_conf", true, &hmc5983_meas_conf_enum),
+ IIO_ENUM("meas_conf", IIO_SHARED_BY_TYPE, &hmc5983_meas_conf_enum),
IIO_ENUM_AVAILABLE("meas_conf", &hmc5983_meas_conf_enum),
- { },
+ IIO_MOUNT_MATRIX(IIO_SHARED_BY_DIR, hmc5843_get_mount_matrix),
+ { }
};
static
@@ -444,13 +446,13 @@
}
ret = regmap_bulk_read(data->regmap, HMC5843_DATA_OUT_MSB_REGS,
- data->buffer, 3 * sizeof(__be16));
+ data->scan.chans, sizeof(data->scan.chans));
mutex_unlock(&data->lock);
if (ret < 0)
goto done;
- iio_push_to_buffers_with_timestamp(indio_dev, data->buffer,
+ iio_push_to_buffers_with_timestamp(indio_dev, &data->scan,
iio_get_time_ns(indio_dev));
done:
@@ -635,7 +637,11 @@
data->variant = &hmc5843_chip_info_tbl[id];
mutex_init(&data->lock);
- indio_dev->dev.parent = dev;
+ ret = iio_read_mount_matrix(dev, "mount-matrix",
+ &data->orientation);
+ if (ret)
+ return ret;
+
indio_dev->name = name;
indio_dev->info = &hmc5843_info;
indio_dev->modes = INDIO_DIRECT_MODE;
--
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