From 1d10243dc295d2f49b73b1320a177491767f180d Mon Sep 17 00:00:00 2001
From: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Date: Wed, 11 Nov 2020 13:47:20 +0200
Subject: [PATCH] gpio: merrifield: Make bias configuration available for GPIOs
If we get bias set request, for example, from GpioIo() resource,
we silently ignore it. Make bias configuration available for GPIOs.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
---
drivers/gpio/gpio-merrifield.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/gpio/gpio-merrifield.c b/drivers/gpio/gpio-merrifield.c
index 706687fab634e..22f3ce218f5d8 100644
--- a/drivers/gpio/gpio-merrifield.c
+++ b/drivers/gpio/gpio-merrifield.c
@@ -194,6 +194,11 @@ static int mrfld_gpio_set_config(struct gpio_chip *chip, unsigned int offset,
{
u32 debounce;
+ if ((pinconf_to_config_param(config) == PIN_CONFIG_BIAS_DISABLE) ||
+ (pinconf_to_config_param(config) == PIN_CONFIG_BIAS_PULL_UP) ||
+ (pinconf_to_config_param(config) == PIN_CONFIG_BIAS_PULL_DOWN))
+ return gpiochip_generic_config(chip, offset, config);
+
if (pinconf_to_config_param(config) != PIN_CONFIG_INPUT_DEBOUNCE)
return -ENOTSUPP;
--
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