[coreboot-gerrit] Patch set updated for coreboot: intel/amenia: Configure Trackpad IC_SDA_HOLD time

[Jagadish Krishnamoorthy (jagadish.krishnamoorthy@intel.com)]

Jagadish Krishnamoorthy (jagadish.krishnamoorthy at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/14922

-gerrit

commit 7f6ab1ce6ece046f3a39c407efd7e3093712a3f4
Author: Jagadish Krishnamoorthy <jagadish.krishnamoorthy at intel.com>
Date:   Thu May 19 19:32:13 2016 -0700

    intel/amenia: Configure Trackpad IC_SDA_HOLD time
    
    Elan trackpad needs greater sda hold time.
    Configure IC_SDA_HOLD register to increase
    the i2c sda hold time by 0.3us.
    
    Change-Id: I3d966eed62a059ecb6a0a88e9f4e6b4ba7a925e4
    Signed-off-by: Jagadish Krishnamoorthy <jagadish.krishnamoorthy at intel.com>
---
 src/mainboard/intel/amenia/acpi/mainboard.asl | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/mainboard/intel/amenia/acpi/mainboard.asl b/src/mainboard/intel/amenia/acpi/mainboard.asl
index 35043b0..09ef9b4 100644
--- a/src/mainboard/intel/amenia/acpi/mainboard.asl
+++ b/src/mainboard/intel/amenia/acpi/mainboard.asl
@@ -18,6 +18,18 @@
 
 Scope (\_SB.PCI0.I2C4)
 {
+	/* Standard Mode: HCNT, LCNT, SDA Hold Register */
+	/* SDA Hold register value of 40 indicates
+	 * sda hold time of 0.3us for ic_clk of 133MHz
+	 */
+	Name (SSCN, Package () { 0, 0, 40 })
+
+	/* Fast Mode: HCNT, LCNT, SDA Hold Register */
+	/* SDA Hold register value of 40 indicates
+	 * sda hold time of 0.3us for ic_clk of 133MHz
+	 */
+	Name (FMCN, Package () { 0, 0, 40 })
+
 	Device (ETPA)
 	{
 		Name (_HID, "ELAN0000")