[coreboot-gerrit] Patch set updated for coreboot: google/reef: update timing of sdmode toggling

[Sathyanarayana Nujella (sathyanarayana.nujella@intel.com)]

Sathyanarayana Nujella (sathyanarayana.nujella at intel.com) just uploaded a new patch set to gerrit, which you can find at https://review.coreboot.org/16933

-gerrit

commit 4da139d50a26d92c2fe5633da2f991d179eb16d5
Author: Sathyanarayana Nujella <sathyanarayana.nujella at intel.com>
Date:   Fri Oct 7 11:27:10 2016 -0700

    google/reef: update timing of sdmode toggling
    
    Maxim98357a speaker amp requires BCLK & SFRM to be active
    and stable before it is unmuted. If there is a BLCK and no
    SFRM, it results in a pop sound.
    sdmode_delay property already exists which facilitates this
    configuration. This patch updates "sdmode_delay" to avoid
    pop sound.
    
    BUG=chrome-os-partner:58356
    BRANCH=None
    TEST=while audio playback via headset, remove headset.
    Audio will be switched playback to speaker. Observe if
    pop sound comes from speaker.
    
    Change-Id: I7ad68caa88d7b3ff52ac1379fe6564de27d97777
    Signed-off-by: Sathyanarayana Nujella <sathyanarayana.nujella at intel.com>
---
 src/mainboard/google/reef/variants/baseboard/devicetree.cb | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/mainboard/google/reef/variants/baseboard/devicetree.cb b/src/mainboard/google/reef/variants/baseboard/devicetree.cb
index 43ec2ed..989acd9 100644
--- a/src/mainboard/google/reef/variants/baseboard/devicetree.cb
+++ b/src/mainboard/google/reef/variants/baseboard/devicetree.cb
@@ -85,6 +85,7 @@ chip soc/intel/apollolake
 		device pci 0e.0 on	# - Audio
 			chip drivers/generic/max98357a
 				register "sdmode_gpio" =  "ACPI_GPIO_OUTPUT_ACTIVE_HIGH(GPIO_76)"
+				register "sdmode_delay" = "5"
 				device generic 0 on end
 			end
 		end