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From: Venkat Reddy Talla <vreddytalla@nvidia.com>
To: linus.walleij@linaro.org, gnurou@gmail.com,
	linux-gpio@vger.kernel.org, linux-kernel@vger.kernel.org
Cc: ldewangan@nvidia.com, vreddytalla@nvidia.com
Subject: [PATCH 1/1] gpio: max77620: get gpio value based on direction
Date: Mon, 27 Jun 2016 16:26:24 +0530	[thread overview]
Message-ID: <1467024984-28138-1-git-send-email-vreddytalla@nvidia.com> (raw)

Gpio direction is determined by DIRx bit of GPIO
configuration register, return max77620 gpio value
based on direction in or out.

Signed-off-by: Venkat Reddy Talla <vreddytalla@nvidia.com>
---
 drivers/gpio/gpio-max77620.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/gpio/gpio-max77620.c b/drivers/gpio/gpio-max77620.c
index 8658c32..b46b436 100644
--- a/drivers/gpio/gpio-max77620.c
+++ b/drivers/gpio/gpio-max77620.c
@@ -123,7 +123,10 @@ static int max77620_gpio_get(struct gpio_chip *gc, unsigned int offset)
 		return ret;
 	}
 
-	return !!(val & MAX77620_CNFG_GPIO_INPUT_VAL_MASK);
+	if  (val & MAX77620_CNFG_GPIO_DIR_MASK)
+		return !!(val & MAX77620_CNFG_GPIO_INPUT_VAL_MASK);
+	else
+		return !!(val & MAX77620_CNFG_GPIO_OUTPUT_VAL_MASK);
 }
 
 static int max77620_gpio_dir_output(struct gpio_chip *gc, unsigned int offset,
-- 
2.1.4


             reply	other threads:[~2016-06-27 10:56 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-06-27 10:56 Venkat Reddy Talla [this message]
2016-06-29  5:08 ` [PATCH 1/1] gpio: max77620: get gpio value based on direction Alexandre Courbot
2016-07-04  9:40 ` Linus Walleij

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