diff options
Diffstat (limited to 'sound/pci/cs5535audio/cs5535audio_olpc.c')
| -rw-r--r-- | sound/pci/cs5535audio/cs5535audio_olpc.c | 26 |
1 files changed, 19 insertions, 7 deletions
diff --git a/sound/pci/cs5535audio/cs5535audio_olpc.c b/sound/pci/cs5535audio/cs5535audio_olpc.c index 5c6814335cd..50da49be9ae 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); +} |