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path: root/drivers/media/platform/vivid/vivid-radio-tx.c
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Diffstat (limited to 'drivers/media/platform/vivid/vivid-radio-tx.c')
-rw-r--r--drivers/media/platform/vivid/vivid-radio-tx.c8
1 files changed, 3 insertions, 5 deletions
diff --git a/drivers/media/platform/vivid/vivid-radio-tx.c b/drivers/media/platform/vivid/vivid-radio-tx.c
index f0917f4e7d8c..af4907a197a3 100644
--- a/drivers/media/platform/vivid/vivid-radio-tx.c
+++ b/drivers/media/platform/vivid/vivid-radio-tx.c
@@ -37,7 +37,7 @@ ssize_t vivid_radio_tx_write(struct file *file, const char __user *buf,
{
struct vivid_dev *dev = video_drvdata(file);
struct v4l2_rds_data *data = dev->rds_gen.data;
- struct timespec ts;
+ ktime_t timestamp;
unsigned blk;
int i;
@@ -58,10 +58,8 @@ ssize_t vivid_radio_tx_write(struct file *file, const char __user *buf,
dev->radio_tx_rds_owner = file->private_data;
retry:
- ktime_get_ts(&ts);
- ts = timespec_sub(ts, dev->radio_rds_init_ts);
- blk = ts.tv_sec * 100 + ts.tv_nsec / 10000000;
- blk = (blk * VIVID_RDS_GEN_BLOCKS) / 500;
+ timestamp = ktime_sub(ktime_get(), dev->radio_rds_init_time);
+ blk = ktime_divns(timestamp, VIVID_RDS_NSEC_PER_BLK);
if (blk - VIVID_RDS_GEN_BLOCKS >= dev->radio_tx_rds_last_block)
dev->radio_tx_rds_last_block = blk - VIVID_RDS_GEN_BLOCKS + 1;