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From:   Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To:     linux-kernel@vger.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
        stable@vger.kernel.org, Axel Lin <axel.lin@ingics.com>,
        Bartosz Golaszewski <bgolaszewski@baylibre.com>
Subject: [PATCH 4.14 29/46] gpio: altera-a10sr: Set proper output level for direction_output
Date:   Mon,  4 Feb 2019 11:37:00 +0100
Message-Id: <20190204103613.748978630@linuxfoundation.org>
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4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Axel Lin <axel.lin@ingics.com>

commit 2095a45e345e669ea77a9b34bdd7de5ceb422f93 upstream.

The altr_a10sr_gpio_direction_output should set proper output level
based on the value argument.

Fixes: 26a48c4cc2f1 ("gpio: altera-a10sr: Add A10 System Resource Chip GPIO support.")
Cc: <stable@vger.kernel.org>
Signed-off-by: Axel Lin <axel.lin@ingics.com>
Tested by: Thor Thayer <thor.thayer@linux.intel.com>
Reviewed by: Thor Thayer <thor.thayer@linux.intel.com>
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpio/gpio-altera-a10sr.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

--- a/drivers/gpio/gpio-altera-a10sr.c
+++ b/drivers/gpio/gpio-altera-a10sr.c
@@ -66,8 +66,10 @@ static int altr_a10sr_gpio_direction_inp
 static int altr_a10sr_gpio_direction_output(struct gpio_chip *gc,
 					    unsigned int nr, int value)
 {
-	if (nr <= (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT))
+	if (nr <= (ALTR_A10SR_OUT_VALID_RANGE_HI - ALTR_A10SR_LED_VALID_SHIFT)) {
+		altr_a10sr_gpio_set(gc, nr, value);
 		return 0;
+	}
 	return -EINVAL;
 }