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[93.23.13.225]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a8a8e439feesm98449766b.74.2024.09.06.08.49.39 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Fri, 06 Sep 2024 08:49:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1725637781; x=1726242581; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=vC9WnbFOdrpXQUX3BWmGZJypN5/VBj5S9SdVEOdGWIc=; b=jDt1OGHnD8SKd1floQySmZjpOHrHVcOgvpHtQo1QYPePn/n2/N2yka7aS6wikMBs49 LZO/nVrIfcDj0ECe/qE8ABNAn59Hq5ojtzU+Y7hDc7hLw4i/Jlad9i3ZM7XSr7zDVjNw nzp4EYpsIq+KEU1af8ynZN9HLoklmKy00CyaLoiAWNSgJHRwEsCmVJfuq7MA7Pfqu59g 8M1d1r1oBgnXjROlPSXlq3zhK/1Mtp02Y6Mg8Y/T2hFpipMLueorgSs3DrzaoDLAj8Zw aRSbF0ISEeFtCujRkfcfFWIDgv7opwsjo1sowVVRfogd9kk57+3BrQNpHpYKVMR+1EMX QGCA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1725637781; x=1726242581; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=vC9WnbFOdrpXQUX3BWmGZJypN5/VBj5S9SdVEOdGWIc=; b=ps4YPZYOHo8xd6GHJgmvKHizDxNWRQq6rXMMEOwiTTuLPxIy34EZt8mC6OCvbr9U69 USAylC/ybSvxuouQgrH+caNiBIwCaHOw1iTVcWJJh8jHcXDC/Oev30iD3K5MTGWwxj+T pnEzOAzPW62SlwOpb8IPPCkK69yKfoqUAlwou+L5W4eABCIm5CURcU7QsrE7kTvYRHwA D2AFByHUpBZuyWmzREgt3NzrlegKaV0W5Pmh1bn4LcmIMvbAEC9hhPaRVN5EXn6IC3yQ 8j8zPDc6WhisKb70bK3l6Kp0epjQB/3nIA1b0ImWnQrl+y7drBGLtza025gxw8JnfApQ mdbA== X-Forwarded-Encrypted: i=1; AJvYcCUmpGmg3RD3bNRnzOc92a10GyKJoIWn5jQwUShFK/rEA2tMXGFaYqrg3T93WdXBAx0aGmuzQWtNregV@nongnu.org X-Gm-Message-State: AOJu0Ywwo8/goS2tYKk9/GqSSxzECFP28He8xJZviYUx54Q+Wwe8wS+4 Zzt5siZGI/eWQeF1QcaHXN4GXQeoa+yMz8l+UQl5pXt8UIj7uZSnjZGuuWVxQlY= X-Google-Smtp-Source: AGHT+IGClyno7/InsWevzZBVn4ySxeMti/CIC5Jov2agpzD6xbGkx8GM4D06oZ099YFcw1qDwVmdFw== X-Received: by 2002:a17:907:3689:b0:a86:7d62:4c28 with SMTP id a640c23a62f3a-a8a886667b6mr252359666b.30.1725637780821; Fri, 06 Sep 2024 08:49:40 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: Guenter Roeck , qemu-devel@nongnu.org Cc: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?C=C3=A9dric=20Le=20Goater?= Subject: [PATCH v2 5/5] hw/sensor/tmp105: Lower 4 bit of limit registers are always 0 Date: Fri, 6 Sep 2024 17:49:11 +0200 Message-ID: <20240906154911.86803-6-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240906154911.86803-1-philmd@linaro.org> References: <20240906154911.86803-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::531; envelope-from=philmd@linaro.org; helo=mail-ed1-x531.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1725637844604116600 From: Guenter Roeck Per datasheet, "HIGH AND LOW LIMIT REGISTERS", the lower 4 bit of the limit registers are unused and always report 0. The lower 4 bit should not be used for temperature comparisons, so mask the unused bits before storing the limits. Signed-off-by: Guenter Roeck Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: C=C3=A9dric Le Goater Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- hw/sensor/tmp105.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/hw/sensor/tmp105.c b/hw/sensor/tmp105.c index f5101af919..9d7b911f59 100644 --- a/hw/sensor/tmp105.c +++ b/hw/sensor/tmp105.c @@ -171,7 +171,7 @@ static void tmp105_write(TMP105State *s) case TMP105_REG_T_HIGH: if (s->len >=3D 3) { s->limit[s->pointer & 1] =3D (int16_t) - ((((uint16_t) s->buf[0]) << 8) | s->buf[1]); + ((((uint16_t) s->buf[0]) << 8) | (s->buf[1] & 0xf0)); } tmp105_alarm_update(s, false); break; --=20 2.45.2