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[129.46.232.65]) by smtp.gmail.com with ESMTPSA id af79cd13be357-8c6a72639fesm1221031885a.44.2026.01.21.01.12.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Jan 2026 01:12:27 -0800 (PST) From: Wenmeng Liu Date: Wed, 21 Jan 2026 17:12:15 +0800 Subject: [PATCH v5 2/2] media: i2c: imx412: Extend the power-on waiting time Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Message-Id: <20260121-imx412-v5-2-be67654a4afe@oss.qualcomm.com> References: <20260121-imx412-v5-0-be67654a4afe@oss.qualcomm.com> In-Reply-To: <20260121-imx412-v5-0-be67654a4afe@oss.qualcomm.com> To: Sakari Ailus , Mauro Carvalho Chehab Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Wenmeng Liu X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1768986738; l=761; i=wenmeng.liu@oss.qualcomm.com; s=20250925; h=from:subject:message-id; bh=RAqH5cWq9MKsJuw52QFy4WvFg6bXwrjh6GTUkQXEQQA=; b=zpKH1Y1/VYaPM8kzqBqY8vK5sco/e4uA50Qtx6Nakxw5ULx67Wtfh+NxzL/NBiawmn1uHJQkh hAt3Ucc0bXEDQmCk+Ec2SIOv+HbeuVzAn80g+2TKe2uvQm7IeCm4MKd X-Developer-Key: i=wenmeng.liu@oss.qualcomm.com; a=ed25519; pk=fQJjf9C3jGDjE1zj2kO3NQLTbQEaZObVcXAzx5WLPX0= X-Authority-Analysis: v=2.4 cv=QohTHFyd c=1 sm=1 tr=0 ts=6970987d cx=c_pps a=hnmNkyzTK/kJ09Xio7VxxA==:117 a=C3Dk8TwHQYyIj7nOf9RCJw==:17 a=IkcTkHD0fZMA:10 a=vUbySO9Y5rIA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=EUspDBNiAAAA:8 a=fwpc4IpM0P9R8YQ-nboA:9 a=3ZKOabzyN94A:10 a=QEXdDO2ut3YA:10 a=PEH46H7Ffwr30OY-TuGO:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwMTIxMDA3NiBTYWx0ZWRfX+3XeNw6cVBow 9criPXfMVoQchJVf+BHbCzmsmrnDApUaaIMKpWVhT18p1cXvyRRctPXb0Ee50mt0wkV458qn+Ls U+QkggjlSgBwS8hF4YHDqz/ak8SDi5PyGhl0ERBPOBJ5J1IIm0W7TyzJNwfA84oL4jVyvnSlUA4 IDrE66Xz29sn0E49RJvOm0gYqRvtTgo3fwYzmUZH2Vw+2Zz05SUxrKSIelw/uTojmLJ95I7FFbo Zp4g8spMCd64OzvRWVl91L1uRmZBPPzwDT+wf2PrjS99TXJkxmOKZuqSj3mSXv4eKbYQZgxrsDo uzsp6/F5hlacHv6IIebKpEuQeqk9Ey2YaQEf5ArUD7y87CjgrLjPWeptePYHkgwIrjO9b7+g6jR KtwNQH5B+OoaIuMu4JcUXGs9ypIA/e/e9Y2H/ycUuHjiUUA+l/DvJLMyh2ws4xlHiNWtpgKTaIn Toge2x5mRP3mMNloJBA== X-Proofpoint-GUID: zYKraCTtoSkFuoYmndQ9I7Hl90rsfrNH X-Proofpoint-ORIG-GUID: zYKraCTtoSkFuoYmndQ9I7Hl90rsfrNH X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.20,FMLib:17.12.100.49 definitions=2026-01-21_01,2026-01-20_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 bulkscore=0 malwarescore=0 priorityscore=1501 adultscore=0 clxscore=1015 impostorscore=0 lowpriorityscore=0 phishscore=0 suspectscore=0 spamscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2601150000 definitions=main-2601210076 The Arducam IMX577 module requires a longer reset time than the 1000=C2=B5s configured in the current driver. Increase the wait time after power-on to ensure proper initialization. Signed-off-by: Wenmeng Liu --- drivers/media/i2c/imx412.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/media/i2c/imx412.c b/drivers/media/i2c/imx412.c index aa63dfc349181bf9c180ffd566b0317d05b410c1..b1c201b4c7d008aa70ac84205e4= de119e776047b 100644 --- a/drivers/media/i2c/imx412.c +++ b/drivers/media/i2c/imx412.c @@ -1037,7 +1037,7 @@ static int imx412_power_on(struct device *dev) goto error_reset; } =20 - usleep_range(1000, 1200); + usleep_range(10000, 12000); =20 return 0; =20 --=20 2.34.1