From: Matti Vaittinen <mazziesaccount@gmail.com>
Date: Fri, 30 May 2025 04:40:08 +0000 (+0300)
Subject: iio: adc: ad7476: Support ROHM BU79100G
X-Git-Tag: v6.17-rc1~178^2~10^2~179
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c49e99fafee183d3155410353104360e0c512802;p=thirdparty%2Fkernel%2Fstable.git

iio: adc: ad7476: Support ROHM BU79100G

ROHM BU79100G is a 12-bit, single channel ADC. From the software point
of view it is identical to the TI's ADS7866. Support reading ADC
measurements using the ad7476.c

Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com>
Link: https://patch.msgid.link/aDk2qNE9LTVnfAFM@mva-rohm
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/adc/ad7476.c b/drivers/iio/adc/ad7476.c
index ddb607ac18603..aea734aa06bde 100644
--- a/drivers/iio/adc/ad7476.c
+++ b/drivers/iio/adc/ad7476.c
@@ -435,6 +435,13 @@ static const struct spi_device_id ad7476_id[] = {
 	{ "ads7866", ID_ADS7866 },
 	{ "ads7867", ID_ADS7867 },
 	{ "ads7868", ID_ADS7868 },
+	/*
+	 * The ROHM BU79100G is identical to the TI's ADS7866 from the software
+	 * point of view. The binding document mandates the ADS7866 to be
+	 * marked as a fallback for the BU79100G, but we still need the SPI ID
+	 * here to make the module loading work.
+	 */
+	{ "bu79100g", ID_ADS7866 },
 	{ "ltc2314-14", ID_LTC2314_14 },
 	{ }
 };