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[84.115.213.37]) by smtp.gmail.com with ESMTPSA id a640c23a62f3a-a90611164d0sm1126202066b.91.2024.09.22.15.17.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 22 Sep 2024 15:17:57 -0700 (PDT) From: Javier Carrasco Date: Mon, 23 Sep 2024 00:17:49 +0200 Subject: [PATCH v2 01/10] iio: light: veml6030: fix ALS sensor resolution Precedence: bulk X-Mailing-List: devicetree@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20240923-veml6035-v2-1-58c72a0df31c@gmail.com> References: <20240923-veml6035-v2-0-58c72a0df31c@gmail.com> In-Reply-To: <20240923-veml6035-v2-0-58c72a0df31c@gmail.com> To: Jonathan Cameron , Lars-Peter Clausen , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Rishi Gupta Cc: linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, Jonathan Cameron , Javier Carrasco , stable@vger.kernel.org X-Mailer: b4 0.14-dev X-Developer-Signature: v=1; a=ed25519-sha256; t=1727043474; l=1280; i=javier.carrasco.cruz@gmail.com; s=20240312; h=from:subject:message-id; bh=P5p+Hh0ofpp5AZDc1SNz04zJpI/e4lfi7LuPsD2A6qE=; b=Bg+7vLzgVF/f4i9k91dsQi/UvD/TqLno9y6miJDc8bW232GLgF57qaQ67ZMtKdjTknCSNCEQC /mECX+fBw+OAXD3jSmX/zC2wFNus2W8l5rH+yFeGLuuZRP+cz8iZr0Q X-Developer-Key: i=javier.carrasco.cruz@gmail.com; a=ed25519; pk=lzSIvIzMz0JhJrzLXI0HAdPwsNPSSmEn6RbS+PTS9aQ= The driver still uses the sensor resolution provided in the datasheet until Rev. 1.6, 28-Apr-2022, which was updated with Rev 1.7, 28-Nov-2023. The original ambient light resolution has been updated from 0.0036 lx/ct to 0.0042 lx/ct, which is the value that can be found in the current device datasheet. Update the default resolution for IT = 100 ms and GAIN = 1/8 from the original 4608 mlux/cnt to the current value from the "Resolution and maximum detection range" table (Application Note 84367, page 5), 5376 mlux/cnt. Cc: stable@vger.kernel.org Fixes: 7b779f573c48 ("iio: light: add driver for veml6030 ambient light sensor") Signed-off-by: Javier Carrasco --- drivers/iio/light/veml6030.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/light/veml6030.c b/drivers/iio/light/veml6030.c index 4c436c5e0787..a3dfe56b7eec 100644 --- a/drivers/iio/light/veml6030.c +++ b/drivers/iio/light/veml6030.c @@ -780,7 +780,7 @@ static int veml6030_hw_init(struct iio_dev *indio_dev) /* Cache currently active measurement parameters */ data->cur_gain = 3; - data->cur_resolution = 4608; + data->cur_resolution = 5376; data->cur_integration_time = 3; return ret; -- 2.43.0