OMAPDSS: HDMI: Add support to dump registers through debugfs
Add support to dump the HDMI wrapper, core, PLL and PHY registers
through debugfs.
Signed-off-by: Mythri P K <mythripk@ti.com>
[tomi.valkeinen@ti.com: updated the description]
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c
index 2f554ae..3262f0f 100644
--- a/drivers/video/omap2/dss/hdmi.c
+++ b/drivers/video/omap2/dss/hdmi.c
@@ -438,6 +438,22 @@
}
}
+void hdmi_dump_regs(struct seq_file *s)
+{
+ mutex_lock(&hdmi.lock);
+
+ if (hdmi_runtime_get())
+ return;
+
+ hdmi.ip_data.ops->dump_wrapper(&hdmi.ip_data, s);
+ hdmi.ip_data.ops->dump_pll(&hdmi.ip_data, s);
+ hdmi.ip_data.ops->dump_phy(&hdmi.ip_data, s);
+ hdmi.ip_data.ops->dump_core(&hdmi.ip_data, s);
+
+ hdmi_runtime_put();
+ mutex_unlock(&hdmi.lock);
+}
+
int omapdss_hdmi_read_edid(u8 *buf, int len)
{
int r;