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path: root/drivers/media/pci/mgb4/mgb4_sysfs_out.c
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Diffstat (limited to 'drivers/media/pci/mgb4/mgb4_sysfs_out.c')
-rw-r--r--drivers/media/pci/mgb4/mgb4_sysfs_out.c9
1 files changed, 5 insertions, 4 deletions
diff --git a/drivers/media/pci/mgb4/mgb4_sysfs_out.c b/drivers/media/pci/mgb4/mgb4_sysfs_out.c
index 9f6e81c57726..573aa61c69d4 100644
--- a/drivers/media/pci/mgb4/mgb4_sysfs_out.c
+++ b/drivers/media/pci/mgb4/mgb4_sysfs_out.c
@@ -229,9 +229,9 @@ static ssize_t frame_rate_show(struct device *dev,
struct video_device *vdev = to_video_device(dev);
struct mgb4_vout_dev *voutdev = video_get_drvdata(vdev);
u32 period = mgb4_read_reg(&voutdev->mgbdev->video,
- voutdev->config->regs.frame_period);
+ voutdev->config->regs.frame_limit);
- return sprintf(buf, "%u\n", 125000000 / period);
+ return sprintf(buf, "%u\n", period ? MGB4_HW_FREQ / period : 0);
}
/*
@@ -245,14 +245,15 @@ static ssize_t frame_rate_store(struct device *dev,
struct video_device *vdev = to_video_device(dev);
struct mgb4_vout_dev *voutdev = video_get_drvdata(vdev);
unsigned long val;
- int ret;
+ int limit, ret;
ret = kstrtoul(buf, 10, &val);
if (ret)
return ret;
+ limit = val ? MGB4_HW_FREQ / val : 0;
mgb4_write_reg(&voutdev->mgbdev->video,
- voutdev->config->regs.frame_period, 125000000 / val);
+ voutdev->config->regs.frame_limit, limit);
return count;
}