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rk32 dp: when write to edid node in debugfs, reset edp

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This commit is contained in:
yxj
2014-04-24 10:09:03 +08:00
parent 8d74ed1ed3
commit 7591c8a99b
1 changed files with 23 additions and 2 deletions
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25
drivers/video/rockchip/transmitter/rk32_dp.c
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@@ -1226,6 +1226,11 @@ static int edp_dpcd_debugfs_show(struct seq_file *s, void *v)
return 0;
}
static ssize_t edp_dpcd_write (struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
return count;
}
static int edp_edid_debugfs_show(struct seq_file *s, void *v)
{
struct rk32_edp *edp = s->private;
@@ -1238,6 +1243,18 @@ static int edp_edid_debugfs_show(struct seq_file *s, void *v)
return 0;
}
static ssize_t edp_edid_write (struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
struct rk32_edp *edp = ((struct seq_file *)file->private_data)->private;
if (!edp) {
dev_err(edp->dev, "no edp device!\n");
return -ENODEV;
}
rk32_edp_disable();
rk32_edp_enable();
return count;
}
static int edp_reg_debugfs_show(struct seq_file *s, void *v)
{
int i = 0;
@@ -1255,6 +1272,10 @@ static int edp_reg_debugfs_show(struct seq_file *s, void *v)
return 0;
}
static ssize_t edp_reg_write (struct file *file, const char __user *buf, size_t count, loff_t *ppos)
{
return count;
}
#define EDP_DEBUG_ENTRY(name) \
static int edp_##name##_debugfs_open(struct inode *inode, struct file *file) \
@@ -1266,14 +1287,14 @@ static const struct file_operations edp_##name##_debugfs_fops = { \
.owner = THIS_MODULE, \
.open = edp_##name##_debugfs_open, \
.read = seq_read, \
.write = edp_##name##_write, \
.llseek = seq_lseek, \
.release = single_release, \
}
EDP_DEBUG_ENTRY(dpcd);
EDP_DEBUG_ENTRY(dpcd);
EDP_DEBUG_ENTRY(edid);
EDP_DEBUG_ENTRY(reg);
#endif
static int rk32_edp_probe(struct platform_device *pdev)