OMAPDSS: HDMI: Add delay to wait for 5V power



TPD12S015A spec says to wait 300us after setting CT_CP_HPD gpio for the
5V power output to reach 90% of the voltage. This patch adds the delay
to the driver.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>

parent cca35017

drivers/video/omap2/dss/hdmi.c

+3 −0

Original line number	Diff line number	Diff line
		@@ -492,6 +492,9 @@ static int hdmi_power_on(struct omap_dss_device *dssdev)
		gpio_set_value(hdmi.ct_cp_hpd_gpio, 1);
		gpio_set_value(hdmi.ls_oe_gpio, 1);

		/* wait 300us after CT_CP_HPD for the 5V power output to reach 90% */
		udelay(300);

		r = hdmi_runtime_get();
		if (r)
		goto err_runtime_get;