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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-GUID: g9nXr3UZ9F10SHBKg6t896H31IUQsPux X-Authority-Analysis: v=2.4 cv=QOz91QLL c=1 sm=1 tr=0 ts=6ac763b1 cx=c_pps a=cmESyDAEBpBGqyK7t0alAg==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=yx91gb_oNiZeI1HMLzn7:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=k_whtCd4PG3F-9RvoSsA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=1OuFwYUASf3TG4hYMiVC:22 X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA4MDAzNyBTYWx0ZWRfX67dKbPdeUeva mrLSNJL9vDPM7Y9N/a440zsOCJgU4eGjejWapSi2u4dJKxf3Y3z/fvuxYSEsOb8DgbgggAyT5/o liwzt3YQk1N9t1ylSFm6OM0AHesztcE= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA4MDAzNyBTYWx0ZWRfX6aebvsW/+EQI rlpx8R1Al+mJNYv28foAagF8TSdRVi7ypMJn/E8WoFOts98egXJ63t5E4198wF8NmVnRf+Z+z/O qjszMdCEf4IICFboM7x8B25sMuG+NaPKcKcjnbxJecAqdgEHQ25UF3XDDymH30mAjLMeafQSK/X uCt3uVrjuAgNhS5NtKppdiq6NKA5OAmpffRGoKo+qo5DuZaPTigsjG0k8wqR+0+rvNkZn+f9dQ0 iw2B50Xf0h2C+je7LSaFCoXQ9LgpIs479YqMTumihr/fZgIaHL0BrXm3VTGBSkiKW13hAxDaY19 oqMgfNMtk6OcZ6FUKt9mGCjEjx7vBfAUXb2oKWzzw4EYSvZi6tLt0XV5hnf/eYHJuW9yW6evVcA 7uazHBCsfgQN8DWO5PVRE8e9V+CCiWlGiKDZaauqQbhZqHty6NSuk8Ca8Bwi6HEW2e83k5JNhGn vrpNYbwSpxcwkyFQDEw== X-Proofpoint-ORIG-GUID: g9nXr3UZ9F10SHBKg6t896H31IUQsPux X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-10-08_03,2026-10-06_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 lowpriorityscore=0 spamscore=0 phishscore=0 impostorscore=0 adultscore=0 bulkscore=0 suspectscore=0 malwarescore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610020000 definitions=main-2610080037 On 10/8/2026 2:16 PM, James Calligeros wrote: > On Thu, Oct 8, 2026 at 4:33 AM Ajay Kumar Nandam > wrote: >> >> >> >> On 10/4/2026 11:33 AM, James Calligeros wrote: >>> +&i2c3 { >>> + status = "okay"; >>> + >>> + speaker_right: codec@34 { >>> + compatible = "ti,tas5770l"; >>> + reg = <0x34>; >>> + interrupts-extended = <&pinctrl_ap 182 IRQ_TYPE_LEVEL_LOW>; >>> + shutdown-gpios = <&pinctrl_ap 181 GPIO_ACTIVE_HIGH>; >>> + #sound-dai-cells = <0>; >> >> Both speaker codec nodes reference the same shutdown GPIO. Is that >> intentional for this board? >> >> The TAS2770 driver requests 'shutdown-gpios' per codec instance, and >> GPIO requests are exclusive by default. So I would expect only one codec >> instance to own this line, while the other appears to fall back to the >> register-only path after the GPIO request fails. >> >> If GPIO181 is a shared physical shutdown line for both amps, how is the >> power/reset ordering expected to work across probe, suspend, and resume >> when only one of the two codec driver instances controls that line? > > We use the new(ish) shared GPIO proxy stuff[1] and it all Just Works. > > [1] https://lore.kernel.org/asahi/20260831-apple-shared-gpio-v1-0-e855b12e18ce@gmail.com/ Thanks for pointing that out. I missed the shared GPIO proxy dependency when looking at the DTS nodes. That addresses my concern about the shared shutdown line. Thanks Ajay Kumar Nandam