diff options
Diffstat (limited to 'drivers/soundwire/sysfs_slave_dpn.c')
| -rw-r--r-- | drivers/soundwire/sysfs_slave_dpn.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/soundwire/sysfs_slave_dpn.c b/drivers/soundwire/sysfs_slave_dpn.c index 05a721ea9830..a3fb380ee519 100644 --- a/drivers/soundwire/sysfs_slave_dpn.c +++ b/drivers/soundwire/sysfs_slave_dpn.c @@ -37,6 +37,7 @@ static int field##_attribute_alloc(struct device *dev, \ return -ENOMEM; \ dpn_attr->N = N; \ dpn_attr->dir = dir; \ + sysfs_attr_init(&dpn_attr->dev_attr.attr); \ dpn_attr->format_string = format_string; \ dpn_attr->dev_attr.attr.name = __stringify(field); \ dpn_attr->dev_attr.attr.mode = 0444; \ @@ -282,6 +283,9 @@ int sdw_slave_sysfs_dpn_init(struct sdw_slave *slave) int ret; int i; + if (!slave->prop.source_ports && !slave->prop.sink_ports) + return 0; + mask = slave->prop.source_ports; for_each_set_bit(i, &mask, 32) { ret = add_all_attributes(&slave->dev, i, 1); |