<p>Duncan Laurie has uploaded this change for <strong>review</strong>.</p><p><a href="https://review.coreboot.org/21271">View Change</a></p><pre style="font-family: monospace,monospace; white-space: pre-wrap;">mb/google/eve: rt5514: Add 16ms delay on dmic init<br><br>Add a 16ms delay to DMIC init by the kernel driver in order to<br>prevent an audible 'pop' noise when starting to record.<br><br>BUG=b:63413023<br>TEST=manual testing to ensure this device property is present in SSDT:<br><br>Name (_DSD, Package () {<br>  ToUUID ("daffd814-6eba-4d8c-8a91-bc9bbf4aa301")<br>  Package () {<br>    Package () {<br>      "realtek,dmic-init-delay",<br>      0x10<br>    }<br>  }<br>})<br><br>Change-Id: If9160ce6992153ba49719029de336595bbf4ae72<br>Signed-off-by: Duncan Laurie <dlaurie@google.com><br>---<br>M src/mainboard/google/eve/devicetree.cb<br>1 file changed, 5 insertions(+), 0 deletions(-)<br><br></pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">git pull ssh://review.coreboot.org:29418/coreboot refs/changes/71/21271/1</pre><pre style="font-family: monospace,monospace; white-space: pre-wrap;">diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb<br>index 2e017f8..37e3b1e 100644<br>--- a/src/mainboard/google/eve/devicetree.cb<br>+++ b/src/mainboard/google/eve/devicetree.cb<br>@@ -300,6 +300,11 @@<br>                                 register "hid" = ""10EC5514""<br>                           register "name" = ""RT54""<br>                              register "desc" = ""Realtek RT5514""<br>+                           register "property_count" = "1"<br>+                          # Set the DMIC initial delay to 16ms to avoid pop noise<br>+                              register "property_list[0].type" = "ACPI_DP_TYPE_INTEGER"<br>+                                register "property_list[0].name" = ""realtek,dmic-init-delay""<br>+                         register "property_list[0].integer" = "16"<br>                                device i2c 57 on end<br>                  end<br>           end # I2C #4<br></pre><p>To view, visit <a href="https://review.coreboot.org/21271">change 21271</a>. To unsubscribe, visit <a href="https://review.coreboot.org/settings">settings</a>.</p><div itemscope itemtype="http://schema.org/EmailMessage"><div itemscope itemprop="action" itemtype="http://schema.org/ViewAction"><link itemprop="url" href="https://review.coreboot.org/21271"/><meta itemprop="name" content="View Change"/></div></div>

<div style="display:none"> Gerrit-Project: coreboot </div>
<div style="display:none"> Gerrit-Branch: master </div>
<div style="display:none"> Gerrit-MessageType: newchange </div>
<div style="display:none"> Gerrit-Change-Id: If9160ce6992153ba49719029de336595bbf4ae72 </div>
<div style="display:none"> Gerrit-Change-Number: 21271 </div>
<div style="display:none"> Gerrit-PatchSet: 1 </div>
<div style="display:none"> Gerrit-Owner: Duncan Laurie <dlaurie@chromium.org> </div>