diff options
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/counter/counter-chrdev.c | 1 | ||||
-rw-r--r-- | drivers/counter/counter-sysfs.c | 12 |
2 files changed, 13 insertions, 0 deletions
diff --git a/drivers/counter/counter-chrdev.c b/drivers/counter/counter-chrdev.c index 4e71a19d7e6a..120879ee2e87 100644 --- a/drivers/counter/counter-chrdev.c +++ b/drivers/counter/counter-chrdev.c @@ -487,6 +487,7 @@ static int counter_get_data(struct counter_device *const counter, case COUNTER_COMP_ENUM: case COUNTER_COMP_COUNT_DIRECTION: case COUNTER_COMP_COUNT_MODE: + case COUNTER_COMP_SIGNAL_POLARITY: switch (comp_node->component.scope) { case COUNTER_SCOPE_DEVICE: ret = comp->device_u32_read(counter, &value_u32); diff --git a/drivers/counter/counter-sysfs.c b/drivers/counter/counter-sysfs.c index 04eac41dad33..e5dd36e1a45f 100644 --- a/drivers/counter/counter-sysfs.c +++ b/drivers/counter/counter-sysfs.c @@ -91,6 +91,11 @@ static const char *const counter_count_mode_str[] = { [COUNTER_COUNT_MODE_MODULO_N] = "modulo-n" }; +static const char *const counter_signal_polarity_str[] = { + [COUNTER_SIGNAL_POLARITY_POSITIVE] = "positive", + [COUNTER_SIGNAL_POLARITY_NEGATIVE] = "negative" +}; + static ssize_t counter_comp_u8_show(struct device *dev, struct device_attribute *attr, char *buf) { @@ -201,6 +206,8 @@ static ssize_t counter_comp_u32_show(struct device *dev, return sysfs_emit(buf, "%s\n", counter_count_direction_str[data]); case COUNTER_COMP_COUNT_MODE: return sysfs_emit(buf, "%s\n", counter_count_mode_str[data]); + case COUNTER_COMP_SIGNAL_POLARITY: + return sysfs_emit(buf, "%s\n", counter_signal_polarity_str[data]); default: return sysfs_emit(buf, "%u\n", (unsigned int)data); } @@ -252,6 +259,10 @@ static ssize_t counter_comp_u32_store(struct device *dev, err = counter_find_enum(&data, avail->enums, avail->num_items, buf, counter_count_mode_str); break; + case COUNTER_COMP_SIGNAL_POLARITY: + err = counter_find_enum(&data, avail->enums, avail->num_items, + buf, counter_signal_polarity_str); + break; default: err = kstrtou32(buf, 0, &data); break; @@ -469,6 +480,7 @@ static int counter_attr_create(struct device *const dev, case COUNTER_COMP_ENUM: case COUNTER_COMP_COUNT_DIRECTION: case COUNTER_COMP_COUNT_MODE: + case COUNTER_COMP_SIGNAL_POLARITY: if (comp->device_u32_read) { dev_attr->attr.mode |= 0444; dev_attr->show = counter_comp_u32_show; |