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@xxxxxx> --- drivers/video/omap2/dss/hdmi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/video/omap2/dss/hdmi.c b/drivers/video/omap2/dss/hdmi.c index 4fbe271..96a6e29 100644 --- a/drivers/video/omap2/dss/hdmi.c +++ b/drivers/video/omap2/dss/hdmi.c @@ -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; -- 1.7.9.5 -- To unsubscribe from this list: send the line "unsubscribe linux-fbdev" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
