linux-kernel - [PATCH v1 04/16] lib/string_choices: Add str_input

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Date:   Mon,  6 Mar 2023 21:55:44 +0200
From:   Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:     Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
        Schspa Shi <schspa@...il.com>, Marc Zyngier <maz@...nel.org>,
        Bartosz Golaszewski <brgl@...ev.pl>,
        linux-kernel@...r.kernel.org, linux-gpio@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-pwm@...r.kernel.org,
        linux-stm32@...md-mailman.stormreply.com,
        patches@...nsource.cirrus.com
Cc:     Linus Walleij <linus.walleij@...aro.org>,
        Doug Berger <opendmb@...il.com>,
        Florian Fainelli <f.fainelli@...il.com>,
        Broadcom internal kernel review list 
        <bcm-kernel-feedback-list@...adcom.com>,
        Andy Shevchenko <andy@...nel.org>,
        Thierry Reding <thierry.reding@...il.com>,
        Uwe Kleine-König 
        <u.kleine-koenig@...gutronix.de>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue <alexandre.torgue@...s.st.com>,
        Kuppuswamy Sathyanarayanan 
        <sathyanarayanan.kuppuswamy@...ux.intel.com>,
        Nandor Han <nandor.han@...com>,
        Semi Malinen <semi.malinen@...com>
Subject: [PATCH v1 04/16] lib/string_choices: Add str_input_output() helper

Add str_input_output() helper to return 'input' or 'output' string literal.
Also add an inversed variant, i.e. str_output_input().

All the same for str_in_out().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
---
 include/linux/string_choices.h | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/include/linux/string_choices.h b/include/linux/string_choices.h
index 48120222b9b2..ad345df325ec 100644
--- a/include/linux/string_choices.h
+++ b/include/linux/string_choices.h
@@ -26,6 +26,18 @@ static inline const char *str_high_low(bool v)
 }
 #define str_low_high(v)		str_high_low(!(v))
 
+static inline const char *str_in_out(bool v)
+{
+	return v ? "in" : "out";
+}
+#define str_out_in(v)		str_in_out(!(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_read_write(bool v)
 {
 	return v ? "read" : "write";
-- 
2.39.1