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headset:

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Merger s793x i8 headset driver
This commit is contained in:
邱建斌
2012-10-10 14:36:44 +08:00
parent 8bdb10d97e
commit f2b13bf6cf
1 changed files with 16 additions and 18 deletions
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34
drivers/headset_observe/rk_headset_irq_hook_adc.c
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@@ -41,16 +41,17 @@
#include <mach/board.h>
#include <linux/slab.h>
#include <linux/adc.h>
#include <linux/wakelock.h>
/* Debug */
#if 0
#if 1
#define DBG(x...) printk(x)
#else
#define DBG(x...) do { } while (0)
#endif
#define HOOK_ADC_SAMPLE_TIME 100
#define HOOK_LEVEL_HIGH 600 //1V*1024/2.5
#define HOOK_ADC_SAMPLE_TIME 50
#define HOOK_LEVEL_HIGH 410 //1V*1024/2.5
#define HOOK_LEVEL_LOW 204 //0.5V*1024/2.5
#define HOOK_DEFAULT_VAL 1024
@@ -102,6 +103,7 @@ struct headset_priv {
struct adc_client *client;
struct timer_list hook_timer;
unsigned int hook_time;//ms
struct wake_lock headset_on_wake;
};
static struct headset_priv *headset_info;
@@ -118,9 +120,10 @@ static irqreturn_t headset_interrupt(int irq, void *dev_id)
static unsigned int old_status = 0;
int i,level = 0;
int adc_value = 0;
wake_lock(&headset_info->headset_on_wake);
if(headset_info->heatset_irq_working == BUSY || headset_info->heatset_irq_working == WAIT)
return IRQ_HANDLED;
DBG("In the headset_interrupt for read headset level\n");
DBG("In the headset_interrupt for read headset level wake_lock headset_on_wake\n");
headset_info->heatset_irq_working = BUSY;
for(i=0; i<3; i++)
{
@@ -213,14 +216,11 @@ static irqreturn_t headset_interrupt(int irq, void *dev_id)
#endif
#if defined (CONFIG_SND_SOC_RT3261) || defined (CONFIG_SND_SOC_RT3224)
rt3261_headset_mic_detect(false);
#endif
printk("headset->isMic = %d\n",headset_info->isMic);
#endif
}
else if(adc_value >= HOOK_LEVEL_HIGH)
{
else if(adc_value >= HOOK_LEVEL_HIGH)
headset_info->isMic = 1;//have mic
printk("headset->isMic = %d\n",headset_info->isMic);
}
if(headset_info->isMic < 0)
{
printk("codec is error\n");
@@ -230,6 +230,7 @@ static irqreturn_t headset_interrupt(int irq, void *dev_id)
else
irq_set_irq_type(headset_info->irq[HEADSET],IRQF_TRIGGER_HIGH|IRQF_ONESHOT);
schedule_delayed_work(&headset_info->h_delayed_work[HEADSET], msecs_to_jiffies(0));
wake_unlock(&headset_info->headset_on_wake);
return IRQ_HANDLED;
}
//adc_value = adc_sync_read(headset_info->client);
@@ -281,6 +282,7 @@ static irqreturn_t headset_interrupt(int irq, void *dev_id)
// schedule_delayed_work(&headset_info->h_delayed_work[HEADSET], msecs_to_jiffies(0));
out:
headset_info->heatset_irq_working = IDLE;
wake_unlock(&headset_info->headset_on_wake);
return IRQ_HANDLED;
}
@@ -322,7 +324,7 @@ static void headsetobserve_work(struct work_struct *work)
headset_info->irq_type[HEADSET] = IRQF_TRIGGER_HIGH|IRQF_ONESHOT;
else
headset_info->irq_type[HEADSET] = IRQF_TRIGGER_LOW|IRQF_ONESHOT;
if(request_threaded_irq(headset_info->irq[HEADSET], NULL,headset_interrupt, headset_info->irq_type[HEADSET], "headset_input", NULL) < 0)
if(request_threaded_irq(headset_info->irq[HEADSET], NULL,headset_interrupt, headset_info->irq_type[HEADSET]|IRQF_NO_SUSPEND, "headset_input", NULL) < 0)
printk("headset request_threaded_irq error\n");
return;
}
@@ -346,7 +348,7 @@ static void hook_adc_callback(struct adc_client *client, void *client_param, int
struct rk_headset_pdata *pdata = headset->pdata;
static unsigned int old_status = HOOK_UP;
DBG("hook_adc_callback read adc value: %d\n",level);
// DBG("hook_adc_callback read adc value: %d\n",level);
if(level < 0)
{
@@ -389,10 +391,6 @@ static void hook_adc_callback(struct adc_client *client, void *client_param, int
DBG("headset is out,HOOK status must discard\n");
else
{
if(headset->hook_status==HOOK_DOWN)
DBG("hook_adc_callback read adc ------------HOOK_DOWN\n");
else
DBG("hook_adc_callback read adc ------------HOOK_UP\n");
input_report_key(headset->input_dev,pdata->hook_key_code,headset->hook_status);
input_sync(headset->input_dev);
}
@@ -466,7 +464,7 @@ static int rockchip_headsetobserve_probe(struct platform_device *pdev)
// mutex_init(&headset->mutex_lock[HEADSET]);
// mutex_init(&headset->mutex_lock[HOOK]);
wake_lock_init(&headset->headset_on_wake, WAKE_LOCK_SUSPEND, "headset_on_wake");
INIT_DELAYED_WORK(&headset->h_delayed_work[HEADSET], headsetobserve_work);
headset->isMic = 0;
@@ -506,7 +504,7 @@ static int rockchip_headsetobserve_probe(struct platform_device *pdev)
headset->irq_type[HEADSET] = IRQF_TRIGGER_HIGH|IRQF_ONESHOT;
else
headset->irq_type[HEADSET] = IRQF_TRIGGER_LOW|IRQF_ONESHOT;
ret = request_threaded_irq(headset->irq[HEADSET], NULL,headset_interrupt, headset->irq_type[HEADSET], "headset_input", NULL);
ret = request_threaded_irq(headset->irq[HEADSET], NULL,headset_interrupt, headset->irq_type[HEADSET]|IRQF_NO_SUSPEND, "headset_input", NULL);
if (ret)
goto failed_free;
enable_irq_wake(headset->irq[HEADSET]);