[PATCH 3/3] OLPC: ALSA: fix cs5535audio's MIC GPIO to enable input

[Ben Gardner]

We need to read back the value written to the GPIO pin to control the
MIC input enable.
Use gpio_set_direction() to set the GPIO in bidirectional mode.

Signed-off-by: Ben Gardner <gardner.ben@xxxxxxxxx>
CC: Andres Salomon <dilinger@xxxxxxxxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
CC: David Brownell <dbrownell@xxxxxxxxxxxxxxxxxxxxx>
CC: Jani Nikula <ext-jani.1.nikula@xxxxxxxxx>
---
 sound/pci/cs5535audio/cs5535audio_olpc.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/pci/cs5535audio/cs5535audio_olpc.c b/sound/pci/cs5535audio/cs5535audio_olpc.c
index 50da49b..0c80e67 100644
--- a/sound/pci/cs5535audio/cs5535audio_olpc.c
+++ b/sound/pci/cs5535audio/cs5535audio_olpc.c
@@ -156,7 +156,7 @@ int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
 		printk(KERN_ERR DRV_NAME ": unable to allocate MIC GPIO\n");
 		return -EIO;
 	}
-	gpio_direction_output(OLPC_GPIO_MIC_AC, 0);
+	gpio_set_direction(OLPC_GPIO_MIC_AC, 3, 0);
 
 	/* drop the original AD1888 HPF control */
 	memset(&elem, 0, sizeof(elem));
-- 
1.7.0

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