From: <gregkh@linuxfoundation.org>
To: stefan-gabriel.mirea@nxp.com, Jonathan.Cameron@huawei.com,
gregkh@linuxfoundation.org
Cc: <stable@vger.kernel.org>, <stable-commits@vger.kernel.org>
Subject: Patch "iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits" has been added to the 4.12-stable tree
Date: Sun, 13 Aug 2017 15:33:32 -0700 [thread overview]
Message-ID: <1502663612111139@kroah.com> (raw)
This is a note to let you know that I've just added the patch titled
iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits
to the 4.12-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
iio-adc-vf610_adc-fix-valt-selection-value-for-refsel-bits.patch
and it can be found in the queue-4.12 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@vger.kernel.org> know about it.
>From d466d3c1217406b14b834335b5b4b33c0d45bd09 Mon Sep 17 00:00:00 2001
From: Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com>
Date: Thu, 6 Jul 2017 10:06:41 +0100
Subject: iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits
From: Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com>
commit d466d3c1217406b14b834335b5b4b33c0d45bd09 upstream.
In order to select the alternate voltage reference pair (VALTH/VALTL), the
right value for the REFSEL field in the ADCx_CFG register is "01", leading
to 0x800 as register mask. See section 8.2.6.4 in the reference manual[1].
[1] http://www.nxp.com/docs/en/reference-manual/VFXXXRM.pdf
Fixes: a775427632fd ("iio:adc:imx: add Freescale Vybrid vf610 adc driver")
Signed-off-by: Stefan-Gabriel Mirea <stefan-gabriel.mirea@nxp.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
drivers/iio/adc/vf610_adc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/iio/adc/vf610_adc.c
+++ b/drivers/iio/adc/vf610_adc.c
@@ -77,7 +77,7 @@
#define VF610_ADC_ADSTS_MASK 0x300
#define VF610_ADC_ADLPC_EN 0x80
#define VF610_ADC_ADHSC_EN 0x400
-#define VF610_ADC_REFSEL_VALT 0x100
+#define VF610_ADC_REFSEL_VALT 0x800
#define VF610_ADC_REFSEL_VBG 0x1000
#define VF610_ADC_ADTRG_HARD 0x2000
#define VF610_ADC_AVGS_8 0x4000
Patches currently in stable-queue which might be from stefan-gabriel.mirea@nxp.com are
queue-4.12/iio-adc-vf610_adc-fix-valt-selection-value-for-refsel-bits.patch
reply other threads:[~2017-08-14 0:34 UTC|newest]
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