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| author | Kyle Manna <kyle@kylemanna.com> | 2011-08-11 22:33:13 -0500 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2011-10-24 14:09:10 +0200 |
| commit | 3d6271f92e98094584fd1e609a9969cd33e61122 (patch) | |
| tree | a3091ebc18edf9a2cef177bace2aea8b0b16d8ea /include/linux/i2c | |
| parent | 881de67046f424fc3a6e05b1c681c12afd94e802 (diff) | |
| download | linux-3d6271f92e98094584fd1e609a9969cd33e61122.tar.gz linux-3d6271f92e98094584fd1e609a9969cd33e61122.tar.bz2 linux-3d6271f92e98094584fd1e609a9969cd33e61122.zip | |
mfd: Turn on the twl4030-madc MADC clock
Without turning the MADC clock on, no MADC conversions occur.
$ cat /sys/class/hwmon/hwmon0/device/in8_input
[ 53.428436] twl4030_madc twl4030_madc: conversion timeout!
cat: read error: Resource temporarily unavailable
Signed-off-by: Kyle Manna <kyle@kylemanna.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'include/linux/i2c')
| -rw-r--r-- | include/linux/i2c/twl4030-madc.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/i2c/twl4030-madc.h b/include/linux/i2c/twl4030-madc.h index 6427d298fbfc..530e11ba0738 100644 --- a/include/linux/i2c/twl4030-madc.h +++ b/include/linux/i2c/twl4030-madc.h @@ -129,6 +129,10 @@ enum sample_type { #define REG_BCICTL2 0x024 #define TWL4030_BCI_ITHSENS 0x007 +/* Register and bits for GPBR1 register */ +#define TWL4030_REG_GPBR1 0x0c +#define TWL4030_GPBR1_MADC_HFCLK_EN (1 << 7) + struct twl4030_madc_user_parms { int channel; int average; |