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Diffstat (limited to 'sound/aoa/core/gpio-feature.c')
-rw-r--r--sound/aoa/core/gpio-feature.c27
1 files changed, 21 insertions, 6 deletions
diff --git a/sound/aoa/core/gpio-feature.c b/sound/aoa/core/gpio-feature.c
index c93ad5dec66..f34153962d0 100644
--- a/sound/aoa/core/gpio-feature.c
+++ b/sound/aoa/core/gpio-feature.c
@@ -10,11 +10,12 @@
* registers.
*/
-#include <asm/pmac_feature.h>
+#include <linux/of_irq.h>
#include <linux/interrupt.h>
+#include <asm/pmac_feature.h>
#include "../aoa.h"
-/* TODO: these are 20 global variables
+/* TODO: these are lots of global variables
* that aren't used on most machines...
* Move them into a dynamically allocated
* structure and use that.
@@ -23,6 +24,7 @@
/* these are the GPIO numbers (register addresses as offsets into
* the GPIO space) */
static int headphone_mute_gpio;
+static int master_mute_gpio;
static int amp_mute_gpio;
static int lineout_mute_gpio;
static int hw_reset_gpio;
@@ -32,6 +34,7 @@ static int linein_detect_gpio;
/* see the SWITCH_GPIO macro */
static int headphone_mute_gpio_activestate;
+static int master_mute_gpio_activestate;
static int amp_mute_gpio_activestate;
static int lineout_mute_gpio_activestate;
static int hw_reset_gpio_activestate;
@@ -156,6 +159,7 @@ static int ftr_gpio_get_##name(struct gpio_runtime *rt) \
FTR_GPIO(headphone, 0);
FTR_GPIO(amp, 1);
FTR_GPIO(lineout, 2);
+FTR_GPIO(master, 3);
static void ftr_gpio_set_hw_reset(struct gpio_runtime *rt, int on)
{
@@ -172,6 +176,8 @@ static void ftr_gpio_set_hw_reset(struct gpio_runtime *rt, int on)
hw_reset_gpio, v);
}
+static struct gpio_methods methods;
+
static void ftr_gpio_all_amps_off(struct gpio_runtime *rt)
{
int saved;
@@ -181,6 +187,8 @@ static void ftr_gpio_all_amps_off(struct gpio_runtime *rt)
ftr_gpio_set_headphone(rt, 0);
ftr_gpio_set_amp(rt, 0);
ftr_gpio_set_lineout(rt, 0);
+ if (methods.set_master)
+ ftr_gpio_set_master(rt, 0);
rt->implementation_private = saved;
}
@@ -193,6 +201,8 @@ static void ftr_gpio_all_amps_restore(struct gpio_runtime *rt)
ftr_gpio_set_headphone(rt, (s>>0)&1);
ftr_gpio_set_amp(rt, (s>>1)&1);
ftr_gpio_set_lineout(rt, (s>>2)&1);
+ if (methods.set_master)
+ ftr_gpio_set_master(rt, (s>>3)&1);
}
static void ftr_handle_notify(struct work_struct *work)
@@ -231,6 +241,12 @@ static void ftr_gpio_init(struct gpio_runtime *rt)
get_gpio("hw-reset", "audio-hw-reset",
&hw_reset_gpio,
&hw_reset_gpio_activestate);
+ if (get_gpio("master-mute", NULL,
+ &master_mute_gpio,
+ &master_mute_gpio_activestate)) {
+ methods.set_master = ftr_gpio_set_master;
+ methods.get_master = ftr_gpio_get_master;
+ }
headphone_detect_node = get_gpio("headphone-detect", NULL,
&headphone_detect_gpio,
@@ -272,10 +288,9 @@ static void ftr_gpio_exit(struct gpio_runtime *rt)
free_irq(linein_detect_irq, &rt->line_in_notify);
if (rt->line_out_notify.gpio_private)
free_irq(lineout_detect_irq, &rt->line_out_notify);
- cancel_delayed_work(&rt->headphone_notify.work);
- cancel_delayed_work(&rt->line_in_notify.work);
- cancel_delayed_work(&rt->line_out_notify.work);
- flush_scheduled_work();
+ cancel_delayed_work_sync(&rt->headphone_notify.work);
+ cancel_delayed_work_sync(&rt->line_in_notify.work);
+ cancel_delayed_work_sync(&rt->line_out_notify.work);
mutex_destroy(&rt->headphone_notify.mutex);
mutex_destroy(&rt->line_in_notify.mutex);
mutex_destroy(&rt->line_out_notify.mutex);