OMAPDSS: HDMI5: Increase DDC SDA-HOLD time
authorTomi Valkeinen <tomi.valkeinen@ti.com>
Fri, 19 Sep 2014 16:59:00 +0000 (16:59 +0000)
committerTomi Valkeinen <tomi.valkeinen@ti.com>
Wed, 25 Feb 2015 13:03:50 +0000 (15:03 +0200)
It has been observed that the current SDA-HOLD time is too short for
some board/cable/monitor combinations. Increase the SDA-HOLD time to
1000ns.

Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
drivers/video/fbdev/omap2/dss/hdmi5_core.c

index a3cfe3d708f7a5b47389f41791000615485539c7..bfc0c4c297d69b9c16bcb16eba56d7d734f8ccf0 100644 (file)
@@ -55,7 +55,7 @@ static void hdmi_core_ddc_init(struct hdmi_core_data *core)
        const unsigned ss_scl_low = 4700;               /* ns */
        const unsigned fs_scl_high = 600;               /* ns */
        const unsigned fs_scl_low = 1300;               /* ns */
-       const unsigned sda_hold = 300;                  /* ns */
+       const unsigned sda_hold = 1000;                 /* ns */
        const unsigned sfr_div = 10;
        unsigned long long sfr;
        unsigned v;