Home Explore Help
Sign In
GfA
/
linux_kernel
5
0
Fork 0
Files Issues 0 Pull Requests 0 Wiki
Browse Source

iio: adc: vf610_adc: Fix VALT selection value for REFSEL bits

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>
Stefan-Gabriel Mirea 8 years ago
parent
a7b8829d24
commit
d466d3c121
1 changed files with 1 additions and 1 deletions
Unified View Show Diff Stats
  1. 1 1
      drivers/iio/adc/vf610_adc.c

+ 1 - 1
drivers/iio/adc/vf610_adc.c
View File 

@@ -77,7 +77,7 @@
 
 #define VF610_ADC_ADSTS_MASK		0x300
 
 #define VF610_ADC_ADSTS_MASK		0x300
 
 #define VF610_ADC_ADLPC_EN		0x80
 
 #define VF610_ADC_ADLPC_EN		0x80
 
 #define VF610_ADC_ADHSC_EN		0x400
 
 #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_REFSEL_VBG		0x1000
 
 #define VF610_ADC_ADTRG_HARD		0x2000
 
 #define VF610_ADC_ADTRG_HARD		0x2000
 
 #define VF610_ADC_AVGS_8		0x4000
 
 #define VF610_ADC_AVGS_8		0x4000