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Fri, 27 Feb 2026 07:43:16 -0500 From: Antoniu Miclaus To: Lars-Peter Clausen , Michael Hennerich , Ramona Gradinariu , Antoniu Miclaus , Jonathan Cameron , David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , , Subject: [PATCH] iio: accel: adxl380: fix FIFO watermark bit 8 always written as 0 Date: Fri, 27 Feb 2026 14:43:05 +0200 Message-ID: <20260227124305.55271-1-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: AW1haW4tMjYwMjI3MDExMiBTYWx0ZWRfX9y4dazT4gmcp fVUqfh8SnkSPsiRiLuF2FMaYxbm9xPTamf8i4xaNecfEgbL8R3sMHtdZa+4XFEvnNhFzwTtc00P k2N26DF1WDQ3H81zbgI9d336L9GWQ7PAlJgZR/sxnp4nKfvQUqi1kR63hQpfrlcrsJXj/CWz3v8 g9S+viMyQvB+01K/hyltk2lo9wNYz35M5yEMFBhJCeU/lijZWRTb4IvhhvY2FNob0O5za9ToNWW KrRyjUtICKnubq6Mfb3jMwpR524jwjaWaSqEUgerO723+JvIeGrCHinI4rBLXRWpZCcrWH6oMAw osnSTgaRH8I5mSmUTygzMjhY0CmVFIEIz/ynM3MkLHyS0wTicJX9A3cYQ/r0fCQnaen1sTAWy9l +3w+VR/uBbw1h3DlEAKApWvolKgNsi/R8brNP0QUin2xXCjx0CJi468PeRJQyulqxL9JBrBXWr3 FSMTperUYzlTxEdlftA== X-Authority-Analysis: v=2.4 cv=a+A9NESF c=1 sm=1 tr=0 ts=69a1916d cx=c_pps a=3WNzaoukacrqR9RwcOSAdA==:117 a=3WNzaoukacrqR9RwcOSAdA==:17 a=HzLeVaNsDn8A:10 a=VkNPw1HP01LnGYTKEx00:22 a=0sLvza09kfJOxVLZPwjg:22 a=Z0pTeXoby7EwIRygza74:22 a=gAnH3GRIAAAA:8 a=RBIjZzELQoH7hPQAidgA:9 X-Proofpoint-ORIG-GUID: uydUqJ9xjCc1iZSwlFRLGDuU0xwVg_Vj X-Proofpoint-GUID: uydUqJ9xjCc1iZSwlFRLGDuU0xwVg_Vj X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-02-27_02,2026-02-27_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 spamscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 clxscore=1015 impostorscore=0 bulkscore=0 suspectscore=0 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2602130000 definitions=main-2602270112 Content-Type: text/plain; charset="utf-8" FIELD_PREP(BIT(0), fifo_samples & BIT(8)) produces either 0 or 256, and since FIELD_PREP masks to bit 0, 256 & 1 evaluates to 0. Use !! to convert the result to a proper 0-or-1 value. Fixes: df36de13677a ("iio: accel: add ADXL380 driver") Signed-off-by: Antoniu Miclaus --- drivers/iio/accel/adxl380.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/accel/adxl380.c b/drivers/iio/accel/adxl380.c index 8fab2fdbe147..a51d1d61c412 100644 --- a/drivers/iio/accel/adxl380.c +++ b/drivers/iio/accel/adxl380.c @@ -877,7 +877,7 @@ static int adxl380_set_fifo_samples(struct adxl380_stat= e *st) ret =3D regmap_update_bits(st->regmap, ADXL380_FIFO_CONFIG_0_REG, ADXL380_FIFO_SAMPLES_8_MSK, FIELD_PREP(ADXL380_FIFO_SAMPLES_8_MSK, - (fifo_samples & BIT(8)))); + !!(fifo_samples & BIT(8)))); if (ret) return ret; =20 --=20 2.43.0