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[v8,09/10] lib/string_choices: Add str_input_output() helper

Message ID 20250611-aaeon-up-board-pinctrl-support-v8-9-3693115599fe@bootlin.com
State New
Headers show
Series Add pinctrl support for the AAEON UP board FPGA | expand

Commit Message

Thomas Richard June 11, 2025, 9 a.m. UTC 
Add str_input_output() helper to return 'input' or 'output' string literal.
Also add the inversed variant str_output_input().

Suggested-by: Andy Shevchenko <andy@kernel.org>
Reviewed-by: Andy Shevchenko <andy@kernel.org>
Signed-off-by: Thomas Richard <thomas.richard@bootlin.com>
---
 include/linux/string_choices.h | 6 ++++++
 1 file changed, 6 insertions(+)
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Patch

diff --git a/include/linux/string_choices.h b/include/linux/string_choices.h
index f3ba4f52ff26..a27c87c954ae 100644
--- a/include/linux/string_choices.h
+++ b/include/linux/string_choices.h
@@ -41,6 +41,12 @@  static inline const char *str_high_low(bool v)
 }
 #define str_low_high(v)		str_high_low(!(v))
 
+static inline const char *str_input_output(bool v)
+{
+	return v ? "input" : "output";
+}
+#define str_output_input(v)	str_input_output(!(v))
+
 static inline const char *str_on_off(bool v)
 {
 	return v ? "on" : "off";