lib/string_choices: Add str_supported_unsupported() helper

Add str_supported_unsupported() to return "supported" or "unsupported"
depending on the boolean argument. Also add the inverse
str_unsupported_supported().

Suggested-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Thorsten Blum <blum@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Link: https://patch.msgid.link/20260907084319.351688-5-blum@kernel.org
Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/include/linux/string_choices.h b/include/linux/string_choices.h
index ee84087d4b26..a2eba454004f 100644
--- a/include/linux/string_choices.h
+++ b/include/linux/string_choices.h
@@ -65,6 +65,12 @@ static inline const char *str_read_write(bool v)
 }
 #define str_write_read(v)		str_read_write(!(v))
 
+static inline const char *str_supported_unsupported(bool v)
+{
+	return v ? "supported" : "unsupported";
+}
+#define str_unsupported_supported(v)	str_supported_unsupported(!(v))
+
 static inline const char *str_true_false(bool v)
 {
 	return v ? "true" : "false";