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Ensure that the value returned by p50_gpio_get() is normalized to the [0, 1] range. Signed-off-by: Dmitry Torokhov --- drivers/platform/x86/barco-p50-gpio.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/platform/x86/barco-p50-gpio.c b/drivers/platform/x86/barco-p50-gpio.c index 6f13e81f98fb..360ffd8505d6 100644 --- a/drivers/platform/x86/barco-p50-gpio.c +++ b/drivers/platform/x86/barco-p50-gpio.c @@ -275,8 +275,11 @@ static int p50_gpio_get(struct gpio_chip *gc, unsigned int offset) mutex_lock(&p50->lock); ret = p50_send_mbox_cmd(p50, P50_MBOX_CMD_READ_GPIO, gpio_params[offset], 0); - if (ret == 0) + if (ret == 0) { ret = p50_read_mbox_reg(p50, P50_MBOX_REG_DATA); + if (ret >= 0) + ret = !!ret; + } mutex_unlock(&p50->lock); -- 2.53.0.335.g19a08e0c02-goog -- Dmitry