vbi: add vbi debug print control [1/1]

PD#SWPL-5217

Problem:
vbi debug print too much

Solution:
add vbi debug print control

Verify:
verified by X301

Change-Id: If8848adb077aced68aac6b5443532037ee8dfff3
Signed-off-by: Nian Jing <nian.jing@amlogic.com>

diff --git a/drivers/amlogic/media/vin/tvin/tvafe/tvafe_vbi.c b/drivers/amlogic/media/vin/tvin/tvafe/tvafe_vbi.c
index eaefbc7..cd9d01e 100644 (file)
--- a/drivers/amlogic/media/vin/tvin/tvafe/tvafe_vbi.c
+++ b/drivers/amlogic/media/vin/tvin/tvafe/tvafe_vbi.c
@@ -88,6 +88,7 @@ module_param(vbi_wakeup_interval, uint, 0664);
 static unsigned int vcnt = 1;
 static unsigned int wakeup_cnt;
 static unsigned int init_cc_data_flag;
+static bool vbi_pr_en;
 
 static void vbi_hw_reset(struct vbi_dev_s *devp)
 {
@@ -502,7 +503,8 @@ static void force_set_vcnt(unsigned char *rptr)
        l_val = *rptr & 0xff;
        h_val = *(rptr+1) & 0xff;
        vcnt = (h_val << 8) | l_val;
-       tvafe_pr_info("force set vcnt:0x%x\n", vcnt);
+       if (vbi_pr_en)
+               tvafe_pr_info("force set vcnt:0x%x\n", vcnt);
 }
 
 static void set_vbi_new_vcnt(struct vbi_dev_s *devp, unsigned char *rptr)
@@ -540,7 +542,8 @@ static void set_vbi_new_vcnt(struct vbi_dev_s *devp, unsigned char *rptr)
        }
 
        vcnt = (h_val << 8) | l_val;
-       tvafe_pr_info("pre vcnt=0x%x, current vcnt=0x%x\n", temp, vcnt);
+       if (vbi_pr_en)
+               tvafe_pr_info("pre vcnt=0x%x, current vcnt=0x%x\n", temp, vcnt);
        if (vcnt > 0xffff)
                vcnt = temp;
 }
@@ -560,8 +563,8 @@ static unsigned char *search_vbi_new_addr(struct vbi_dev_s *devp)
        vaddr = devp->pac_addr_start + paddr - devp->mem_start;
        temp = (unsigned long)vaddr;
        vaddr = (unsigned char *)((temp >> 4) << 4);
-
-       tvafe_pr_info("vbi search new addr\n");
+       if (vbi_pr_en)
+               tvafe_pr_info("vbi search new addr\n");
        return vaddr;
 }
 
@@ -600,10 +603,12 @@ static int check_if_sync_cc_data(struct vbi_dev_s *devp, unsigned char *addr)
                        field_data_flag = 0;
                        set_vbi_new_vcnt(devp, new_addr);
                }
-               tvafe_pr_info("not find vbi data.\n");
+               if (vbi_pr_en)
+                       tvafe_pr_info("not find vbi data.\n");
                return -1;
        } else if (addr > devp->pac_addr_end) {
-               tvafe_pr_info("vbi ret_addr error.\n");
+               if (vbi_pr_en)
+                       tvafe_pr_info("vbi ret_addr error.\n");
                return -1;
        }
 
@@ -1419,6 +1424,12 @@ static ssize_t vbi_store(struct device *dev,
                                vbi_buffer->pread, vbi_buffer->pwrite,
                                vbi_buffer->data_wmode);
                tvafe_pr_info("dump satus done!!\n");
+       } else if (!strncmp(parm[0], "vbi_pr_en",
+               strlen("vbi_pr_en"))) {
+               if (kstrtouint(parm[1], 10, &val) < 0)
+                       return -EINVAL;
+               vbi_pr_en = val;
+               tvafe_pr_info("vbi_pr_en:%d\n", vbi_pr_en);
        } else if (!strncmp(parm[0], "enable_tasklet",
                strlen("enable_tasklet"))) {
                if (kstrtouint(parm[1], 10, &val) < 0)