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9a92865401
checkpatch warning fix for string split across lines Signed-off-by: Manikantan Ravichandran <ravman1991@gmail.com> Link: https://lore.kernel.org/r/20210212225035.GA16260@whach Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
101 lines
2.2 KiB
C
101 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
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/*
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* Greybus operations
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*
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* Copyright 2015-2016 Google Inc.
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*/
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#include <linux/string.h>
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#include <linux/sysfs.h>
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#include "audio_manager.h"
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#include "audio_manager_private.h"
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static ssize_t manager_sysfs_add_store(struct kobject *kobj,
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struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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struct gb_audio_manager_module_descriptor desc = { {0} };
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int num = sscanf(buf,
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"name=%" GB_AUDIO_MANAGER_MODULE_NAME_LEN_SSCANF
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"s vid=%d pid=%d intf_id=%d i/p devices=0x%X o/p devices=0x%X",
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desc.name, &desc.vid, &desc.pid, &desc.intf_id,
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&desc.ip_devices, &desc.op_devices);
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if (num != 7)
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return -EINVAL;
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num = gb_audio_manager_add(&desc);
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if (num < 0)
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return -EINVAL;
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return count;
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}
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static struct kobj_attribute manager_add_attribute =
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__ATTR(add, 0664, NULL, manager_sysfs_add_store);
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static ssize_t manager_sysfs_remove_store(struct kobject *kobj,
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struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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int id;
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int num = kstrtoint(buf, 10, &id);
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if (num != 1)
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return -EINVAL;
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num = gb_audio_manager_remove(id);
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if (num)
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return num;
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return count;
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}
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static struct kobj_attribute manager_remove_attribute =
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__ATTR(remove, 0664, NULL, manager_sysfs_remove_store);
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static ssize_t manager_sysfs_dump_store(struct kobject *kobj,
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struct kobj_attribute *attr,
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const char *buf, size_t count)
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{
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int id;
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int num = kstrtoint(buf, 10, &id);
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if (num == 1) {
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num = gb_audio_manager_dump_module(id);
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if (num)
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return num;
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} else if (!strncmp("all", buf, 3)) {
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gb_audio_manager_dump_all();
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} else {
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return -EINVAL;
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}
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return count;
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}
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static struct kobj_attribute manager_dump_attribute =
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__ATTR(dump, 0664, NULL, manager_sysfs_dump_store);
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static void manager_sysfs_init_attribute(struct kobject *kobj,
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struct kobj_attribute *kattr)
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{
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int err;
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err = sysfs_create_file(kobj, &kattr->attr);
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if (err) {
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pr_warn("creating the sysfs entry for %s failed: %d\n",
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kattr->attr.name, err);
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}
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}
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void gb_audio_manager_sysfs_init(struct kobject *kobj)
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{
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manager_sysfs_init_attribute(kobj, &manager_add_attribute);
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manager_sysfs_init_attribute(kobj, &manager_remove_attribute);
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manager_sysfs_init_attribute(kobj, &manager_dump_attribute);
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}
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