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Fri, 07 Aug 2026 03:05:56 -0700 (PDT) X-Received: by 2002:a17:902:ea01:b0:2d0:8b28:517c with SMTP id d9443c01a7336-2d0ca712ed0mr225824045ad.3.1786097156142; Fri, 07 Aug 2026 03:05:56 -0700 (PDT) Received: from [10.218.21.154] ([202.46.22.19]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-2d14d57fc23sm6650515ad.31.2026.08.07.03.05.52 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Fri, 07 Aug 2026 03:05:55 -0700 (PDT) Message-ID: <07f94571-ecd1-40a2-b47c-a732cd439b54@oss.qualcomm.com> Date: Fri, 7 Aug 2026 15:35:51 +0530 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH] ASoC: qcom: sc8280xp: configure codec sysclk for QCS615 To: Le Qi , Srinivas Kandagatla , Liam Girdwood , Mark Brown , Jaroslav Kysela , Takashi Iwai Cc: linux-sound@vger.kernel.org, linux-arm-msm@vger.kernel.org, linux-kernel@vger.kernel.org, kernel@oss.qualcomm.com References: <20260807012450.1038180-1-le.qi@oss.qualcomm.com> Content-Language: en-US From: Mohammad Rafi Shaik In-Reply-To: <20260807012450.1038180-1-le.qi@oss.qualcomm.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Authority-Analysis: v=2.4 cv=frDsol4f c=1 sm=1 tr=0 ts=6a75ae05 cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=fChuTYTh2wq5r3m49p7fHw==:17 a=IkcTkHD0fZMA:10 a=Sv0fKeRqtYgA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=VwQbUJbxAAAA:8 a=EUspDBNiAAAA:8 a=lATBp56xj2U5aXaEndAA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 X-Proofpoint-GUID: WKBmsAZMcZc2U6PTFYdJHvZHCiBSGVSS X-Proofpoint-ORIG-GUID: WKBmsAZMcZc2U6PTFYdJHvZHCiBSGVSS X-Proofpoint-Spam-Info: AW1haW4tMjYwODA3MDA3NiBTYWx0ZWRfXxNOq4EqHya2l yPfaA/4PnmZmYVqpr6+bRvU0KkHZBV7eLoYB9IEJeVEqdUVMDN5ri56LWHzaIBZxUwcwIPz6zEN 4l7IdLUZMaOo67NzZVkoixc3p/0NDVw= X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODA3MDA3NiBTYWx0ZWRfX8jOeQwSnBvXQ 5rYxGGHzBS4dL/c2Oid0/FscZsLsrfGjtmjJjfZEopAI0T3vm+3iHSjmM7z3N2DZF0Xm8MkqDQu Zb2sYXJv4ao2jcifTl+k1eDHK3VSRHKliol5pNQ+VMUPeGk+DWPFb1FsCZ8T8TGn96t1NfiOS9H MfvC5q7JgmHl3vP60C+AmGY7bJ1Yg6nrDMyzDdN+6soNQb6Q/lKFcxUHwfu9Q/wahf2NAyy12bW wmJkGuKPthBjT+lcsBb67LAcUc2JVcJIViyzCD87QThf+GwKKai3S6K4Omg5Q31SFgMxJYpUIUr H0jd0TEUwJ0+B802PbDGT4AoZDbLqhm9qoBQycdA+m5G5OW2Bt4wAh+mkO6a6l1vTpAjUMa7AK8 FgSrqw4drzxKAAnIam/HnZFuTV+WQTPL49SH7zNAwt7TWfJnzlxdTX9Vgt5brWbbCv8+byWRyae TyGRzKXBwh7toCh+eTQ== 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=2026-08-07_01,2026-08-06_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 priorityscore=1501 clxscore=1015 suspectscore=0 impostorscore=0 malwarescore=0 lowpriorityscore=0 adultscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608070076 On 8/7/2026 6:54 AM, Le Qi wrote: > Continuous high-amplitude noise could occur in the DA7213 microphone > capture path after a Bluetooth out-of-range/reset event followed by > reconnection. The noise was present in both the raw ALSA capture and > PipeWire input, confirming that it originated before Bluetooth > encoding. > > The codec already obtains and enables MCLK through its DT clock and > bias-level handling. However, the machine driver did not explicitly > configure the codec sysclk during hw_params(). Enable > codec_sysclk_set for QCS615 so that the DA7213 clock source and rate > are configured before the codec power-up sequence. > > Verified on QCS615 Talos with repeated Bluetooth disconnect and > reconnect cycles. The noise was no longer reproducible. > > Signed-off-by: Le Qi > --- > This patch depends on: > > ASoC: qcom: sc8280xp: enhance machine driver for board-specific config > > Link: https://lore.kernel.org/r/20260727151230.408122-4-mohammad.rafi.shaik@oss.qualcomm.com/ > > The prerequisite patch introduces qcs615_priv_data and the > codec_sysclk_set field used by this change. It has not yet been merged > into linux-next. Drop this dependency flag, as the change has already been applied. Thanks & Regards, Rafi. > > sound/soc/qcom/sc8280xp.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/sound/soc/qcom/sc8280xp.c b/sound/soc/qcom/sc8280xp.c > index cf272d0612fe..8d949e4dec5b 100644 > --- a/sound/soc/qcom/sc8280xp.c > +++ b/sound/soc/qcom/sc8280xp.c > @@ -306,6 +306,7 @@ static const struct snd_soc_common qcs615_priv_data = { > .driver_name = "qcs615", > .dapm_widgets = sc8280xp_dapm_widgets, > .num_dapm_widgets = ARRAY_SIZE(sc8280xp_dapm_widgets), > + .codec_sysclk_set = true, > }; > > static const struct snd_soc_common qcm6490_priv_data = {