[PATCH v1 14/16] gpio: wm831x: Utilize helpers from string_choices.h

[Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>]

There are a few helpers available to convert a boolean variable
to the dedicated string literals depending on the application.
Use them in the driver.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@xxxxxxxxxxxxxxx>
---
 drivers/gpio/gpio-wm831x.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-wm831x.c b/drivers/gpio/gpio-wm831x.c
index 7eaf8a28638c..5456485ce801 100644
--- a/drivers/gpio/gpio-wm831x.c
+++ b/drivers/gpio/gpio-wm831x.c
@@ -15,6 +15,7 @@
 #include <linux/mfd/core.h>
 #include <linux/platform_device.h>
 #include <linux/seq_file.h>
+#include <linux/string_choices.h>
 
 #include <linux/mfd/wm831x/core.h>
 #include <linux/mfd/wm831x/pdata.h>
@@ -229,8 +230,8 @@ static void wm831x_gpio_dbg_show(struct seq_file *s, struct gpio_chip *chip)
 
 		seq_printf(s, " %s %s %s %s%s\n"
 			   "                                  %s%s (0x%4x)\n",
-			   reg & WM831X_GPN_DIR ? "in" : "out",
-			   wm831x_gpio_get(chip, i) ? "high" : "low",
+			   str_in_out(reg & WM831X_GPN_DIR),
+			   str_high_low(wm831x_gpio_get(chip, i)),
 			   pull,
 			   powerdomain,
 			   reg & WM831X_GPN_POL ? "" : " inverted",
-- 
2.39.1