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charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYxMDA4MDAzNyBTYWx0ZWRfX1p0wCZcLk/XQ OJd2dM888kijJrynxbOLX0cW86CXOKtLuw7j8DDBdTOLJNkk99YirsumRVH4wiahFUD2ZeLtNE1 nH4nEAcTwWPOHZuOxE4Pt5/8OhZ7RqPLAJUUe6Lh9hvGfcR28AxQmwhmzBMqPIBkn0hswv3lYCJ rmgE1kthRJ8XtkyOXqkFcG5Gc2GA/V47pqHrDfaoCh0NO1T1HdJYAdg0FNdf6e4hE80za01YI3E NS6wxwLU7HpW/xyAR4vp9TsmZAz9dKTLfus84+XJoEzJzTAOBoSGMyAcCKRt3TX1SGQJ+MreHYO kqFnMQ2WShpQXZFSxjdzdOVXoazgSDlfYag1KFE0i2fk0shwU9XsfGDr/4Ho8wVhEX96EX0CE3L JHMKhaxo1ZNV5WJxMvZwcajYwgWmdyI3SAMRMrokIMUGr1uxNJxCmsaPxcXETB0ah7iDYTuzwDe khy7Z08NTjvEkHpj1aQ== X-Proofpoint-GUID: 7DT_mwlUXd0CDw42bHIZ74e_lDxAhl3t X-Proofpoint-ORIG-GUID: 7DT_mwlUXd0CDw42bHIZ74e_lDxAhl3t X-Proofpoint-Spam-Info: AW1haW4tMjYxMDA4MDAzNyBTYWx0ZWRfX6t/Sw+VF0Ehe yTmLhB56VJJTjQOMZp+kr5BFTa64Odcm1pwpNAuKIsljrPOxacUkQJBt6gYl6r9mYRkBU3mNRQD enpJ69OwtK6TOloJxOh+EmZzPgkej0U= X-Authority-Analysis: v=2.4 cv=MPT1C8Zl c=1 sm=1 tr=0 ts=6ac763b1 cx=c_pps a=0uOsjrqzRL749jD1oC5vDA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=660iZSQnnn4A:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=k_whtCd4PG3F-9RvoSsA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=mQ_c8vxmzFEMiUWkPHU9:22 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 spamscore=0 bulkscore=0 adultscore=0 priorityscore=1501 suspectscore=0 malwarescore=0 phishscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2610020000 definitions=main-2610080037 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.9.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20261008_023443_023303_8EFDD109 X-CRM114-Status: GOOD ( 18.87 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org 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