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Tue, 2 Jun 2026 04:40:48 -0400 From: Antoniu Miclaus To: Antoniu Miclaus , =?UTF-8?q?Nuno=20S=C3=A1?= , Michael Hennerich , Jonathan Cameron , David Lechner , , , Subject: [PATCH] iio: adc: ad4080: fix AD4880 chip ID Date: Tue, 2 Jun 2026 11:40:19 +0300 Message-ID: <20260602084019.2564-1-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.43.0 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-ADIRuleOP-NewSCL: Rule Triggered X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjAyMDA4MCBTYWx0ZWRfX63vfDaVpMIk6 75VMGrbYv9YGR11nAd7ID9zKetVpDDniPSP6oSs3o/ysLvllYAHFznASvx/+oOS34hR2EjQiKDK nHg16/xfKhjap8IfPJrjcDWhQ8sIh6ZiVfMIm1qKx64GJBrkTd6kONReX0AWqTHdamPQ278Xwmt A5iurn4MoECJlrihIGTXlRG42z9rlN39IlDqbRC6oxyZrP6wHjB56SasUvsva5P1O5VHsqTStU4 fiyaNsCR5BptQOENRGEAqMOe4yCfpzOCWPX5gaGo6I2B2/ejeFe5ciXuCHL/5kBPA3VGrjR8I2v q4Pv2NcsEesAbopPCd4KdEK0tJLRT3aZiuhMEWBj2Kc7dXJBU9Wwbwrr/8BM57netXvVJjE0pNn ws1RDGnCTYp27jNL2sbDtb8hUIfsKgEynTN3kqGvHJwFsmbHG48jOuiEvTi1Vzyv7PFjTruu1Qp JnbKOa793rX6us52W4A== X-Proofpoint-GUID: is6oG5Rp-5Qt7ZqJxC_F8TK9CeYLd94W X-Proofpoint-ORIG-GUID: is6oG5Rp-5Qt7ZqJxC_F8TK9CeYLd94W X-Authority-Analysis: v=2.4 cv=J7yaKgnS c=1 sm=1 tr=0 ts=6a1e971a cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=FelO9ux0wxsA:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=OmVn7CZJonkx5R5zMQLL:22 a=gAnH3GRIAAAA:8 a=4TIp3I1At_sE4LCMeBQA:9 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-01_07,2026-05-28_03,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 suspectscore=0 clxscore=1015 phishscore=0 bulkscore=0 priorityscore=1501 malwarescore=0 impostorscore=0 adultscore=0 lowpriorityscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2605210000 definitions=main-2606020080 Content-Type: text/plain; charset="utf-8" The AD4880 chip ID was incorrectly set to 0x0750. According to the datasheet, the product ID registers read 0x00 (PRODUCT_ID_H) and 0x59 (PRODUCT_ID_L), giving a combined chip ID of 0x0059. Fix the value to match the actual hardware. Fixes: 35fc53e802bf ("iio: adc: ad4080: add support for AD4880 dual-channel= ADC") Signed-off-by: Antoniu Miclaus Reviewed-by: Joshua Crofts --- drivers/iio/adc/ad4080.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/adc/ad4080.c b/drivers/iio/adc/ad4080.c index 764d49eca9e0..8d2953341b15 100644 --- a/drivers/iio/adc/ad4080.c +++ b/drivers/iio/adc/ad4080.c @@ -135,7 +135,7 @@ #define AD4086_CHIP_ID 0x0056 #define AD4087_CHIP_ID 0x0057 #define AD4088_CHIP_ID 0x0058 -#define AD4880_CHIP_ID 0x0750 +#define AD4880_CHIP_ID 0x0059 #define AD4884_CHIP_ID 0x005C =20 #define AD4080_MAX_CHANNELS 2 --=20 2.43.0