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Fri, 11 Apr 2025 08:36:45 -0400 From: Antoniu Miclaus To: , , , , , CC: Antoniu Miclaus Subject: [PATCH v2 10/13] iio: adc: adi-axi-adc: add sync status Date: Fri, 11 Apr 2025 15:36:24 +0300 Message-ID: <20250411123627.6114-11-antoniu.miclaus@analog.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20250411123627.6114-1-antoniu.miclaus@analog.com> References: <20250411123627.6114-1-antoniu.miclaus@analog.com> 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-ORIG-GUID: rqaAIhABYoiJuiscF3JX6liPgrcfICEs X-Authority-Analysis: v=2.4 cv=BoqdwZX5 c=1 sm=1 tr=0 ts=67f90ce1 cx=c_pps a=PpDZqlmH/M8setHirZLBMw==:117 a=PpDZqlmH/M8setHirZLBMw==:17 a=XR8D0OoHHMoA:10 a=gAnH3GRIAAAA:8 a=E9bf82uvLnFifWyeAaAA:9 X-Proofpoint-GUID: rqaAIhABYoiJuiscF3JX6liPgrcfICEs X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1095,Hydra:6.0.680,FMLib:17.12.68.34 definitions=2025-04-11_04,2025-04-10_01,2024-11-22_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 priorityscore=1501 mlxscore=0 lowpriorityscore=0 malwarescore=0 suspectscore=0 adultscore=0 impostorscore=0 spamscore=0 mlxlogscore=999 bulkscore=0 phishscore=0 classifier=spam authscore=0 authtc=n/a authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2502280000 definitions=main-2504110080 Content-Type: text/plain; charset="utf-8" Add support for checking the ADC sync status. Signed-off-by: Antoniu Miclaus --- no changes in v2. drivers/iio/adc/adi-axi-adc.c | 20 ++++++++++++++++++++ 1 file changed, 20 insertions(+) diff --git a/drivers/iio/adc/adi-axi-adc.c b/drivers/iio/adc/adi-axi-adc.c index 017685854895..0d12c0121bbc 100644 --- a/drivers/iio/adc/adi-axi-adc.c +++ b/drivers/iio/adc/adi-axi-adc.c @@ -56,6 +56,9 @@ #define AXI_AD408X_CNTRL_3_SELF_SYNC_EN_MSK BIT(1) #define AXI_AD408X_CNTRL_3_FILTER_EN_MSK BIT(0) =20 +#define ADI_AXI_ADC_REG_SYNC_STATUS 0x0068 +#define ADI_AXI_ADC_SYNC BIT(0) + #define ADI_AXI_ADC_REG_DRP_STATUS 0x0074 #define ADI_AXI_ADC_DRP_LOCKED BIT(17) =20 @@ -453,6 +456,21 @@ static int axi_adc_ad408x_self_sync_disable(struct iio= _backend *back) AXI_AD408X_CNTRL_3_SELF_SYNC_EN_MSK); } =20 +static int axi_adc_sync_status_get(struct iio_backend *back, bool *sync_en) +{ + struct adi_axi_adc_state *st =3D iio_backend_get_priv(back); + int ret; + u32 val; + + ret =3D regmap_read(st->regmap, ADI_AXI_ADC_REG_SYNC_STATUS, &val); + if (ret) + return ret; + + *sync_en =3D (bool)FIELD_GET(ADI_AXI_ADC_SYNC, val); + + return 0; +} + static struct iio_buffer *axi_adc_request_buffer(struct iio_backend *back, struct iio_dev *indio_dev) { @@ -600,6 +618,7 @@ static const struct iio_backend_ops adi_axi_adc_ops =3D= { .test_pattern_set =3D axi_adc_test_pattern_set, .chan_status =3D axi_adc_chan_status, .interface_type_get =3D axi_adc_interface_type_get, + .sync_status_get =3D axi_adc_sync_status_get, .debugfs_reg_access =3D iio_backend_debugfs_ptr(axi_adc_reg_access), .debugfs_print_chan_status =3D iio_backend_debugfs_ptr(axi_adc_debugfs_pr= int_chan_status), }; @@ -647,6 +666,7 @@ static const struct iio_backend_ops adi_ad408x_ops =3D { .data_alignment_disable =3D axi_adc_ad408x_bitslip_disable, .self_sync_enable =3D axi_adc_ad408x_self_sync_enable, .self_sync_disable =3D axi_adc_ad408x_self_sync_disable, + .sync_status_get =3D axi_adc_sync_status_get, .debugfs_reg_access =3D iio_backend_debugfs_ptr(axi_adc_reg_access), .debugfs_print_chan_status =3D iio_backend_debugfs_ptr(axi_adc_debugfs_pr= int_chan_status), }; --=20 2.49.0