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From: <gregkh@linuxfoundation.org>
To: javier.carrasco.cruz@gmail.com,Jonathan.Cameron@huawei.com,stable@vger.kernel.org
Subject: patch "iio: light: veml6030: fix ALS sensor resolution" added to char-misc-linus
Date: Sun, 13 Oct 2024 17:25:57 +0200	[thread overview]
Message-ID: <2024101356-paycheck-autograph-5032@gregkh> (raw)


This is a note to let you know that I've just added the patch titled

    iio: light: veml6030: fix ALS sensor resolution

to my char-misc git tree which can be found at
    git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc.git
in the char-misc-linus branch.

The patch will show up in the next release of the linux-next tree
(usually sometime within the next 24 hours during the week.)

The patch will hopefully also be merged in Linus's tree for the
next -rc kernel release.

If you have any questions about this process, please let me know.


From c9e9746f275c45108f2b0633a4855d65d9ae0736 Mon Sep 17 00:00:00 2001
From: Javier Carrasco <javier.carrasco.cruz@gmail.com>
Date: Mon, 23 Sep 2024 00:17:49 +0200
Subject: iio: light: veml6030: fix ALS sensor resolution

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 <javier.carrasco.cruz@gmail.com>
Link: https://patch.msgid.link/20240923-veml6035-v2-1-58c72a0df31c@gmail.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---
 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 df2ba3078b91..9630de1c578e 100644
--- a/drivers/iio/light/veml6030.c
+++ b/drivers/iio/light/veml6030.c
@@ -779,7 +779,7 @@ 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;
-- 
2.47.0



                 reply	other threads:[~2024-10-13 15:26 UTC|newest]

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