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* [PATCH] iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits
@ 2017-07-06  9:06 Stefan-Gabriel Mirea
  2017-07-06 18:41 ` Jonathan Cameron
  0 siblings, 1 reply; 3+ messages in thread
From: Stefan-Gabriel Mirea @ 2017-07-06  9:06 UTC (permalink / raw)
  To: jic23; +Cc: knaack.h, lars, pmeerw, singhalsimran0, linux-iio

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>
---
 drivers/iio/adc/vf610_adc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iio/adc/vf610_adc.c b/drivers/iio/adc/vf610_adc.c
index 01fc76f7d660..c168e0db329a 100644
--- 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
-- 
1.9.1


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2017-07-06  9:06 [PATCH] iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits Stefan-Gabriel Mirea
2017-07-06 18:41 ` Jonathan Cameron
2017-07-07  8:54   ` Stefan-gabriel Mirea

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