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charset=UTF-8 Content-Transfer-Encoding: 7bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNzE3MDExNiBTYWx0ZWRfXw453LJgYIPcO y4Hvo0KfKpFjsCmMCH3iah+Wd+qB72XfT5+nvSbua3wmZksylPEZmBNLS2rm36vniTKdg4kwe2w vF07hsOyghGAvpfUNwNZfTyHd73H/M5GbZfdrBNrQO9xjELBi9HQk2CkhS8pu9ro3C3zw8dSXtF HHbGEY+EY61/9LtZq43ewp5rfjbXSs5/EO+lLiNMqCV3wwTI0l02PT1iOqTYYfN5m12TYJNEMTR yBSHxzRPTtQiBwfAh5rC/7YOi862yEWHHz4HK8Pe49RIcTzWSDG9VwdywFSH6yILGVez+S8k4VK 1BJp4l1v7f1JpfGcsdR8AfvgKDXUdiqMzkotNyrOQFymNUQjjev152i/XKVJPIeqJTLuCEuxGZI oxjyw7YVb2yR6Y9Br95P6UR1lPYW77wTyFMt2hGxdsyP8wadbJtp94jnhVnWCf9lUPjik3kpfBI cCpwCVGtE25n2hBMdtA== X-Proofpoint-Spam-Info: AW1haW4tMjYwNzE3MDExNiBTYWx0ZWRfX3o110UOiC9Ty UCLhs8AAlRirQ16qneW0rQ43oGVJi82vHqO8u1s8NQOiVsMSVTKzw38Tja7NLaEJDnTwH7IXNYY mIO6B8CtMQghBbOBkdZuOQ8S+Q3NFfs= X-Authority-Analysis: v=2.4 cv=YeWNIQRf c=1 sm=1 tr=0 ts=6a5a1250 cx=c_pps a=WeENfcodrlLV9YRTxbY/uA==:117 a=PRfkaYvzSr8QmIIGAkY2Sg==:17 a=IkcTkHD0fZMA:10 a=RAioF0-LDSMA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=3WHJM1ZQz_JShphwDgj5:22 a=-lbNPa_U-NigBoBspYsA:9 a=QEXdDO2ut3YA:10 a=kacYvNCVWA4VmyqE58fU:22 X-Proofpoint-GUID: iY_vdykwg5avzeQ1Y8o5Gp4tW9tORsI2 X-Proofpoint-ORIG-GUID: iY_vdykwg5avzeQ1Y8o5Gp4tW9tORsI2 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-07-17_03,2026-07-15_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 suspectscore=0 priorityscore=1501 clxscore=1015 spamscore=0 lowpriorityscore=0 adultscore=0 phishscore=0 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2607170116 On 7/15/26 4:02 PM, Hongyang Zhao wrote: > RubikPi 3 uses the AudioReach firmware path for its external audio > interfaces. The primary MI2S interface connects to an ES8316 codec for > headset playback and capture, while the quaternary MI2S interface feeds > the LT9611 HDMI bridge. [...] > + vreg_es8316_3v3: regulator-es8316-3v3 { > + compatible = "regulator-fixed"; > + > + regulator-name = "vreg_es8316_3v3"; > + regulator-min-microvolt = <3300000>; > + regulator-max-microvolt = <3300000>; > + > + gpio = <&tlmm 117 GPIO_ACTIVE_HIGH>; > + enable-active-high; > + > + pinctrl-0 = <&es8316_power_on>; > + pinctrl-names = "default"; > + > + regulator-always-on; > + regulator-boot-on; Does it need to be always-on? Is it really on at boot time? [...] > + mi2s-playback-dai-link { mi2s-'c'apture < mi2s-'p'layback Konrad