1 files changed, 19 insertions, 7 deletions

diff --git a/sound/pci/cs5535audio/cs5535audio_olpc.c b/sound/pci/cs5535audio/cs5535audio_olpc.c
index 5c6814335cd7..50da49be9ae5 100644
--- a/sound/pci/cs5535audio/cs5535audio_olpc.c
+++ b/sound/pci/cs5535audio/cs5535audio_olpc.c
@@ -13,10 +13,13 @@
 #include <sound/info.h>
 #include <sound/control.h>
 #include <sound/ac97_codec.h>
+#include <linux/gpio.h>
 
 #include <asm/olpc.h>
 #include "cs5535audio.h"
 
+#define DRV_NAME "cs5535audio-olpc"
+
 /*
  * OLPC has an additional feature on top of the regular AD1888 codec features.
  * It has an Analog Input mode that is switched into (after disabling the
@@ -38,10 +41,7 @@ void olpc_analog_input(struct snd_ac97 *ac97, int on)
         }
 
         /* set Analog Input through GPIO */
-        if (on)
-                geode_gpio_set(OLPC_GPIO_MIC_AC, GPIO_OUTPUT_VAL);
-        else
-                geode_gpio_clear(OLPC_GPIO_MIC_AC, GPIO_OUTPUT_VAL);
+        gpio_set_value(OLPC_GPIO_MIC_AC, on);
 }
 
 /*
@@ -73,8 +73,7 @@ static int olpc_dc_info(struct snd_kcontrol *kctl,
 
 static int olpc_dc_get(struct snd_kcontrol *kctl, struct snd_ctl_elem_value *v)
 {
-        v->value.integer.value[0] = geode_gpio_isset(OLPC_GPIO_MIC_AC,
-                        GPIO_OUTPUT_VAL);
+        v->value.integer.value[0] = gpio_get_value(OLPC_GPIO_MIC_AC);
         return 0;
 }
 
@@ -153,6 +152,12 @@ int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
         if (!machine_is_olpc())
                 return 0;
 
+        if (gpio_request(OLPC_GPIO_MIC_AC, DRV_NAME)) {
+                printk(KERN_ERR DRV_NAME ": unable to allocate MIC GPIO\n");
+                return -EIO;
+        }
+        gpio_direction_output(OLPC_GPIO_MIC_AC, 0);
+
         /* drop the original AD1888 HPF control */
         memset(&elem, 0, sizeof(elem));
         elem.iface = SNDRV_CTL_ELEM_IFACE_MIXER;
@@ -169,11 +174,18 @@ int __devinit olpc_quirks(struct snd_card *card, struct snd_ac97 *ac97)
         for (i = 0; i < ARRAY_SIZE(olpc_cs5535audio_ctls); i++) {
                 err = snd_ctl_add(card, snd_ctl_new1(&olpc_cs5535audio_ctls[i],
                                 ac97->private_data));
-                if (err < 0)
+                if (err < 0) {
+                        gpio_free(OLPC_GPIO_MIC_AC);
                         return err;
+                }
         }
 
         /* turn off the mic by default */
         olpc_mic_bias(ac97, 0);
         return 0;
 }
+
+void __devexit olpc_quirks_cleanup(void)
+{
+        gpio_free(OLPC_GPIO_MIC_AC);
+}