Messages in this thread Patch in this message | | | From | Mark Pearson <> | Subject | [PATCH v4 1/4] platform/x86: think-lmi: add missing type attribute | Date | Sun, 19 Mar 2023 20:32:18 -0400 |
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This driver was missing the mandatory type attribute...oops.
Add it in along with logic to determine whether the attribute is an enumeration type or a string by parsing the possible_values attribute.
Upstream bug https://bugzilla.kernel.org/show_bug.cgi?id=216460
Signed-off-by: Mark Pearson <mpearson-lenovo@squebb.ca> --- Changes in v4: - Unchanged. Sending to linux-kernel mailing list as recommended Changes in v3: - Rebased on latest pdx86, review_hans branch Changes in v2: - Simplify the code and move type determination into show function - Don't use Fixes with URL in commit info
drivers/platform/x86/think-lmi.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+)
diff --git a/drivers/platform/x86/think-lmi.c b/drivers/platform/x86/think-lmi.c index cc66f7cbccf2..a765bf8c27d8 100644 --- a/drivers/platform/x86/think-lmi.c +++ b/drivers/platform/x86/think-lmi.c @@ -947,6 +947,20 @@ static ssize_t possible_values_show(struct kobject *kobj, struct kobj_attribute return sysfs_emit(buf, "%s\n", setting->possible_values); } +static ssize_t type_show(struct kobject *kobj, struct kobj_attribute *attr, + char *buf) +{ + struct tlmi_attr_setting *setting = to_tlmi_attr_setting(kobj); + + if (setting->possible_values) { + /* Figure out what setting type is as BIOS does not return this */ + if (strchr(setting->possible_values, ',')) + return sysfs_emit(buf, "enumeration\n"); + } + /* Anything else is going to be a string */ + return sysfs_emit(buf, "string\n"); +} + static ssize_t current_value_store(struct kobject *kobj, struct kobj_attribute *attr, const char *buf, size_t count) @@ -1036,10 +1050,13 @@ static struct kobj_attribute attr_possible_values = __ATTR_RO(possible_values); static struct kobj_attribute attr_current_val = __ATTR_RW_MODE(current_value, 0600); +static struct kobj_attribute attr_type = __ATTR_RO(type); + static struct attribute *tlmi_attrs[] = { &attr_displ_name.attr, &attr_current_val.attr, &attr_possible_values.attr, + &attr_type.attr, NULL }; -- 2.39.2
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