industrialio-buffer.c (62f4f36cdfcdbb961bbbeab15e6595dd391d2205) industrialio-buffer.c (b804e2b76ac6d5559b99588e0190ac97b5597497)
1// SPDX-License-Identifier: GPL-2.0-only
2/* The industrial I/O core
3 *
4 * Copyright (c) 2008 Jonathan Cameron
5 *
6 * Handling of buffer allocation / resizing.
7 *
8 * Things to look at here.

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1145 iio_free_scan_mask(indio_dev, new_config.scan_mask);
1146 return ret;
1147}
1148
1149int iio_update_buffers(struct iio_dev *indio_dev,
1150 struct iio_buffer *insert_buffer,
1151 struct iio_buffer *remove_buffer)
1152{
1// SPDX-License-Identifier: GPL-2.0-only
2/* The industrial I/O core
3 *
4 * Copyright (c) 2008 Jonathan Cameron
5 *
6 * Handling of buffer allocation / resizing.
7 *
8 * Things to look at here.

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1145 iio_free_scan_mask(indio_dev, new_config.scan_mask);
1146 return ret;
1147}
1148
1149int iio_update_buffers(struct iio_dev *indio_dev,
1150 struct iio_buffer *insert_buffer,
1151 struct iio_buffer *remove_buffer)
1152{
1153 struct iio_dev_opaque *iio_dev_opaque = to_iio_dev_opaque(indio_dev);
1153 int ret;
1154
1155 if (insert_buffer == remove_buffer)
1156 return 0;
1157
1154 int ret;
1155
1156 if (insert_buffer == remove_buffer)
1157 return 0;
1158
1158 mutex_lock(&indio_dev->info_exist_lock);
1159 mutex_lock(&iio_dev_opaque->info_exist_lock);
1159 mutex_lock(&indio_dev->mlock);
1160
1161 if (insert_buffer && iio_buffer_is_active(insert_buffer))
1162 insert_buffer = NULL;
1163
1164 if (remove_buffer && !iio_buffer_is_active(remove_buffer))
1165 remove_buffer = NULL;
1166

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1173 ret = -ENODEV;
1174 goto out_unlock;
1175 }
1176
1177 ret = __iio_update_buffers(indio_dev, insert_buffer, remove_buffer);
1178
1179out_unlock:
1180 mutex_unlock(&indio_dev->mlock);
1160 mutex_lock(&indio_dev->mlock);
1161
1162 if (insert_buffer && iio_buffer_is_active(insert_buffer))
1163 insert_buffer = NULL;
1164
1165 if (remove_buffer && !iio_buffer_is_active(remove_buffer))
1166 remove_buffer = NULL;
1167

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1174 ret = -ENODEV;
1175 goto out_unlock;
1176 }
1177
1178 ret = __iio_update_buffers(indio_dev, insert_buffer, remove_buffer);
1179
1180out_unlock:
1181 mutex_unlock(&indio_dev->mlock);
1181 mutex_unlock(&indio_dev->info_exist_lock);
1182 mutex_unlock(&iio_dev_opaque->info_exist_lock);
1182
1183 return ret;
1184}
1185EXPORT_SYMBOL_GPL(iio_update_buffers);
1186
1187void iio_disable_all_buffers(struct iio_dev *indio_dev)
1188{
1189 iio_disable_buffers(indio_dev);

--- 624 unchanged lines hidden --- 		1183
1184 return ret;
1185}
1186EXPORT_SYMBOL_GPL(iio_update_buffers);
1187
1188void iio_disable_all_buffers(struct iio_dev *indio_dev)
1189{
1190 iio_disable_buffers(indio_dev);

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