diff options
Diffstat (limited to 'sound/aoa/soundbus/sysfs.c')
| -rw-r--r-- | sound/aoa/soundbus/sysfs.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/sound/aoa/soundbus/sysfs.c b/sound/aoa/soundbus/sysfs.c new file mode 100644 index 0000000000..e87b28428b --- /dev/null +++ b/sound/aoa/soundbus/sysfs.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0 +#include <linux/kernel.h> +#include <linux/of.h> +#include <linux/stat.h> +/* FIX UP */ +#include "soundbus.h" + +static ssize_t modalias_show(struct device *dev, struct device_attribute *attr, + char *buf) +{ + struct soundbus_dev *sdev = to_soundbus_device(dev); + struct platform_device *of = &sdev->ofdev; + + if (*sdev->modalias) + return sysfs_emit(buf, "%s\n", sdev->modalias); + else + return sysfs_emit(buf, "of:N%pOFn%c%s\n", + of->dev.of_node, 'T', + of_node_get_device_type(of->dev.of_node)); +} +static DEVICE_ATTR_RO(modalias); + +static ssize_t name_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct soundbus_dev *sdev = to_soundbus_device(dev); + struct platform_device *of = &sdev->ofdev; + + return sysfs_emit(buf, "%pOFn\n", of->dev.of_node); +} +static DEVICE_ATTR_RO(name); + +static ssize_t type_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct soundbus_dev *sdev = to_soundbus_device(dev); + struct platform_device *of = &sdev->ofdev; + + return sysfs_emit(buf, "%s\n", of_node_get_device_type(of->dev.of_node)); +} +static DEVICE_ATTR_RO(type); + +struct attribute *soundbus_dev_attrs[] = { + &dev_attr_name.attr, + &dev_attr_type.attr, + &dev_attr_modalias.attr, + NULL, +}; |