newton: remove redefined of bu92747_lock && bu92747_unlock function

[firefly-linux-kernel-4.4.55.git] / drivers / cir / bu92747guw_cir.c

diff --git a/drivers/cir/bu92747guw_cir.c b/drivers/cir/bu92747guw_cir.c
index 2ffffc75297dfda284e9ce001ac9d31458f0ab57..6963654aedeab579bc54e475d6d011f5cb398edf 100755 (executable)
--- a/drivers/cir/bu92747guw_cir.c
+++ b/drivers/cir/bu92747guw_cir.c
@@ -52,29 +52,12 @@ struct bu92747_data_info {
        int base_clock;
        int sys_clock;
        struct delayed_work      dwork;
-       u8 inv;
-       u16 head_space_time;
-       u16 head_burst_time;
 };
 
 static struct miscdevice bu92747guw_device;
 
 int repeat_flag=-1;
 int start_flag = 0;
-//mutex lock between remote and irda
-static DEFINE_MUTEX(bu92747_mutex);
-void bu92747_lock(void)
-{
-       mutex_lock(&bu92747_mutex);
-}
-void bu92747_unlock(void)
-{
-       mutex_unlock(&bu92747_mutex);
-}
-
-
-
-
 
 static int bu92747_cir_i2c_read_regs(struct i2c_client *client, u8 reg, u8 *buf, int len)
 {
@@ -103,7 +86,7 @@ static int bu92747_stop(struct i2c_client *client)
        reg_value[0] = reg_value[0]&0xfe;
        reg_value[1] = reg_value[1]&0xf1;
        bu92747_cir_i2c_set_regs(client, REG_SETTING0, reg_value, 2);
-       
+       start_flag = 0;
        repeat_flag = -1;
        BU92747_DBG("line %d: exit %s\n", __LINE__, __FUNCTION__);
 
@@ -117,13 +100,12 @@ static void bu92747_dwork_handler(struct work_struct *work)
        
        BU92747_DBG("------- sss  enter %s\n", __func__);
 
-       if ( !start_flag && (repeat_flag <= -1)){
+       if  ((repeat_flag != -10) && (repeat_flag <= -1)){
                bu92747_stop(bu92747->client);
                BU92747_DBG("----------exit %s\n", __func__);
                return ;
        }
 
-       start_flag = 0;
        //set repeat=0
        bu92747_cir_i2c_read_regs(bu92747->client, REG_SETTING1, reg_value, 1);
        reg_value[0] &= 0xf0;
@@ -143,6 +125,7 @@ static void bu92747_dwork_handler(struct work_struct *work)
        return;
 }
 
+
 static irqreturn_t bu92747_cir_irq(int irq, void *dev_id)
 {
 //     u8 reg_value[2];
@@ -150,12 +133,18 @@ static irqreturn_t bu92747_cir_irq(int irq, void *dev_id)
        struct bu92747_data_info *bu92747 = (struct bu92747_data_info *)i2c_get_clientdata(client);
 
        BU92747_DBG("----------enter %s  repeat_flag = %d\n", __func__, repeat_flag);
-       
 
-       if (((--repeat_flag%16) == 0) || (repeat_flag < 0)){
-               schedule_delayed_work(&bu92747->dwork, msecs_to_jiffies(0));
-       }
 
+       if (start_flag == 1){
+               if (repeat_flag == -10){
+                       if ((bu92747->state++)%10 == 0){
+                               schedule_delayed_work(&bu92747->dwork, msecs_to_jiffies(0));
+                               bu92747->state = 0;
+                       } 
+               }else if (((--repeat_flag%16) == 0) || (repeat_flag < 0)){
+                       schedule_delayed_work(&bu92747->dwork, msecs_to_jiffies(0));
+               }
+       }
        return IRQ_HANDLED;
 }
 
@@ -277,7 +266,10 @@ static int bu92747_set_format(struct i2c_client *client, struct rk29_cir_struct_
        repeat_flag = cir->repeat;
        printk("repeat 11111 =%d\n", repeat_flag);
        
-       if (repeat_flag > 16){
+       if (repeat_flag == -1){
+               repeat_flag = -10;
+               repeat = 0;             
+       }else if (repeat_flag > 16){
                repeat = 16; 
        }else{
                repeat = repeat_flag;
@@ -307,8 +299,7 @@ static int bu92747_set_format(struct i2c_client *client, struct rk29_cir_struct_
        reg_value[9] = hhi>>8;
        reg_value[10] = hhi&0xff;
        BU92747_DBG("hlo = 0x%x, hhi = 0x%x\n", hlo, hhi);
-       bu92747->head_space_time = cir->head_space_time;
-       bu92747->head_burst_time = cir->head_burst_time;
+
 
        //data0
        d0lo = (cir->logic_low_space_time*sys_clock)/1000;
@@ -357,7 +348,7 @@ static int bu92747_set_format(struct i2c_client *client, struct rk29_cir_struct_
                BU92747_DBG("reg_value[%d] = %d\n", 24+i, reg_value[24+i]);
        }
 
-       bu92747_cir_i2c_set_regs(client, REG_SETTING0, reg_value, 23+i);
+       bu92747_cir_i2c_set_regs(client, REG_SETTING0, reg_value, 24+i);
        
 
        BU92747_DBG("line %d: exit %s\n", __LINE__, __FUNCTION__);
@@ -496,7 +487,7 @@ static int bu92747_set_pulse(struct i2c_client *client, struct rk29_cir_struct_i
        reg_value[0] = reg_value[0] | (inv0<<1) | (inv1<<2);
        bu92747_cir_i2c_set_regs(client, REG_SETTING0, reg_value, 1);
        BU92747_DBG("inv0 = %d, inv1 = %d\n", inv0, inv1);
-       bu92747->inv = cir->inv;
+
 
 
        //data0
@@ -548,8 +539,6 @@ static int bu92747_set_parameter(struct i2c_client *client, struct rk29_cir_stru
        reg_value[2] = hhi>>8;
        reg_value[3] = hhi&0xff;
        BU92747_DBG("hlo = 0x%x, hhi = 0x%x\n", hlo, hhi);
-       bu92747->head_space_time = cir->head_space_time;
-       bu92747->head_burst_time = cir->head_burst_time;
        bu92747_cir_i2c_set_regs(client, REG_HLO1, reg_value, 4);
 
        //end
@@ -575,15 +564,20 @@ static int bu92747_set_repeat(struct i2c_client *client, struct rk29_cir_struct_
 
        BU92747_DBG("line %d: enter %s\n", __LINE__, __FUNCTION__);
 
-       repeat_flag = cir->repeat;
+
+    repeat_flag = cir->repeat;
        printk("repeat 11111 =%d\n", repeat_flag);
        
-       if (repeat_flag > 16){
+       if (repeat_flag == -1){
+               repeat_flag = -10;
+               repeat = 0;             
+       }else if (repeat_flag > 16){
                repeat = 16; 
        }else{
                repeat = repeat_flag;
        }
 
+
        repeat = repeat % 16;
        
        bu92747_cir_i2c_read_regs(client, REG_SETTING1, reg_value, 1);
@@ -750,6 +744,7 @@ static int bu92747_open(struct inode *inode, struct file *file)
        BU92747_DBG("line %d: enter %s\n", __LINE__, __FUNCTION__);
 
        printk("bu92747_open\n");
+       bu92747->state = 0;
 //     if (BU92747_OPEN == bu92747->state) 
 //             return -EBUSY;
 //     bu92747->state = BU92747_OPEN;
@@ -767,7 +762,7 @@ static int bu92747_open(struct inode *inode, struct file *file)
 
        //register init
        bu92747_cir_init_device(client, bu92747);
-       start_flag = 0;
+       start_flag = -1;
        BU92747_DBG("line %d: exit %s\n", __LINE__, __FUNCTION__);
 
        return 0;