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From: Matti Vaittinen <mazziesaccount@gmail.com>
To: Matti Vaittinen <matti.vaittinen@fi.rohmeurope.com>,
	Matti Vaittinen <mazziesaccount@gmail.com>
Cc: Jonathan Cameron <jic23@kernel.org>,
	Lars-Peter Clausen <lars@metafoo.de>,
	Rob Herring <robh@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Conor Dooley <conor+dt@kernel.org>,
	Matti Vaittinen <mazziesaccount@gmail.com>,
	linux-iio@vger.kernel.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: [PATCH v2 3/7] bu27034: ROHM BU27034NUC to BU27034ANUC
Date: Fri, 5 Jul 2024 13:54:47 +0300	[thread overview]
Message-ID: <ed8b963b0cd3a84c06a494c79969a136d5abcf92.1720176341.git.mazziesaccount@gmail.com> (raw)
In-Reply-To: <cover.1720176341.git.mazziesaccount@gmail.com>

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The ROHM BU27034NUC was cancelled and BU27034ANUC is replacing this
sensor. These senors aren't compatible from the software point of view.

According to ROHM, the BU27034NUC was never mass-produced. Hence dropping
the BU27034NUC support and using this driver to support BU27034ANUC
should not be a problem to users. We however need to ensure than people
who use old kernel with the old BU27034NUC driver don't get the old
driver probed for the new sensor.

Prepare to use the BU27034NUC driver to support the new BU27034ANUC and
change the compatible to prevent probing the old driver with the new
sensor.

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
---
 drivers/iio/light/rohm-bu27034.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/iio/light/rohm-bu27034.c b/drivers/iio/light/rohm-bu27034.c
index bf3de853a811..f876bb21ffa5 100644
--- a/drivers/iio/light/rohm-bu27034.c
+++ b/drivers/iio/light/rohm-bu27034.c
@@ -1,9 +1,8 @@
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * BU27034 ROHM Ambient Light Sensor
+ * BU27034ANUC ROHM Ambient Light Sensor
  *
  * Copyright (c) 2023, ROHM Semiconductor.
- * https://fscdn.rohm.com/en/products/databook/datasheet/ic/sensor/light/bu27034nuc-e.pdf
  */
 
 #include <linux/bitfield.h>
@@ -1507,7 +1506,7 @@ static int bu27034_probe(struct i2c_client *i2c)
 }
 
 static const struct of_device_id bu27034_of_match[] = {
-	{ .compatible = "rohm,bu27034" },
+	{ .compatible = "rohm,bu27034anuc" },
 	{ }
 };
 MODULE_DEVICE_TABLE(of, bu27034_of_match);
-- 
2.45.1


-- 
Matti Vaittinen, Linux device drivers
ROHM Semiconductors, Finland SWDC
Kiviharjunlenkki 1E
90220 OULU
FINLAND

~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~
Simon says - in Latin please.
~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~
Thanks to Simon Glass for the translation =] 

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  parent reply	other threads:[~2024-07-05 10:54 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-07-05 10:53 [PATCH v2 0/7] ROHM BU27034NUC to ROHM BU27034ANUC Matti Vaittinen
2024-07-05 10:54 ` [PATCH v2 1/7] dt-bindings: iio: BU27034 => BU27034ANUC Matti Vaittinen
2024-07-07 13:05   ` Jonathan Cameron
2024-07-08 12:43     ` Matti Vaittinen
2024-07-08 17:06   ` Conor Dooley
2024-07-05 10:54 ` [PATCH v2 2/7] dt-bindings: iio: rename bu27034 file Matti Vaittinen
2024-07-08 17:05   ` Conor Dooley
2024-07-09 18:33     ` Matti Vaittinen
2024-07-13 11:00       ` Jonathan Cameron
2024-07-05 10:54 ` Matti Vaittinen [this message]
2024-07-05 10:55 ` [PATCH v2 4/7] bu27034: ROHM BU27034NUC to BU27034ANUC drop data2 Matti Vaittinen
2024-07-05 10:55 ` [PATCH v2 5/7] bu27034: ROHM BU27034ANUC correct gains and times Matti Vaittinen
2024-07-05 10:55 ` [PATCH v2 6/7] bu27034: ROHM BU27034ANUC correct lux calculation Matti Vaittinen
2024-07-05 10:55 ` [PATCH v2 7/7] iio: bu27034: Add a read only HWARDWAREGAIN Matti Vaittinen
2024-07-07 13:14   ` Jonathan Cameron
2024-07-13 11:01 ` [PATCH v2 0/7] ROHM BU27034NUC to ROHM BU27034ANUC Jonathan Cameron

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