diff options
Diffstat (limited to 'sound/aoa/core/snd-aoa-gpio-feature.c')
| -rw-r--r-- | sound/aoa/core/snd-aoa-gpio-feature.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/sound/aoa/core/snd-aoa-gpio-feature.c b/sound/aoa/core/snd-aoa-gpio-feature.c index 2c6eb7784cc9..bab97547a052 100644 --- a/sound/aoa/core/snd-aoa-gpio-feature.c +++ b/sound/aoa/core/snd-aoa-gpio-feature.c @@ -207,6 +207,17 @@ static void ftr_handle_notify(void *data) mutex_unlock(¬if->mutex); } +static void gpio_enable_dual_edge(int gpio) +{ + int v; + + if (gpio == -1) + return; + v = pmac_call_feature(PMAC_FTR_READ_GPIO, NULL, gpio, 0); + v |= 0x80; /* enable dual edge */ + pmac_call_feature(PMAC_FTR_WRITE_GPIO, NULL, gpio, v); +} + static void ftr_gpio_init(struct gpio_runtime *rt) { get_gpio("headphone-mute", NULL, @@ -234,6 +245,10 @@ static void ftr_gpio_init(struct gpio_runtime *rt) &linein_detect_gpio, &linein_detect_gpio_activestate); + gpio_enable_dual_edge(headphone_detect_gpio); + gpio_enable_dual_edge(lineout_detect_gpio); + gpio_enable_dual_edge(linein_detect_gpio); + get_irq(headphone_detect_node, &headphone_detect_irq); get_irq(lineout_detect_node, &lineout_detect_irq); get_irq(linein_detect_node, &linein_detect_irq); |