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gpio: viperboard: normalize return value of gpio_get

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The GPIO get callback is expected to return 0 or 1 (or a negative error
code). Ensure that the value returned by vprbrd_gpiob_get() in the output
case is normalized to the [0, 1] range.

Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Link: https://patch.msgid.link/20260218190657.2974723-7-dmitry.torokhov@gmail.com
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@oss.qualcomm.com>
This commit is contained in:
Dmitry Torokhov
2026-02-23 10:41:43 +01:00
committed by Bartosz Golaszewski
parent 9eb7ecfd20
commit c08381ad56
1 changed files with 1 additions and 1 deletions
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drivers/gpio/gpio-viperboard.c
+1 -1
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@@ -288,7 +288,7 @@ static int vprbrd_gpiob_get(struct gpio_chip *chip,
/* if io is set to output, just return the saved value */
if (gpio->gpiob_out & (1 << offset))
return gpio->gpiob_val & (1 << offset);
return !!(gpio->gpiob_val & (1 << offset));
mutex_lock(&vb->lock);