diff options
| author | Mark Brown | 2008-11-08 01:10:21 +0100 |
|---|---|---|
| committer | Samuel Ortiz | 2009-01-04 12:17:38 +0100 |
| commit | 67488526349d043372d141c054f4dc6313780b3c (patch) | |
| tree | 22db1f6609edd7945fb000b4a9c48e86aadf3dfb /include/linux | |
| parent | 0c8a601678960fbcc1c1185a283d6d107575810b (diff) | |
mfd: Add AUXADC support for WM8350
The auxiliary ADC in the WM8350 is shared between several subdevices
so access to it needs to be arbitrated by the core driver.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Samuel Ortiz <sameo@openedhand.com>
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/mfd/wm8350/comparator.h | 8 | ||||
| -rw-r--r-- | include/linux/mfd/wm8350/core.h | 2 |
2 files changed, 10 insertions, 0 deletions
diff --git a/include/linux/mfd/wm8350/comparator.h b/include/linux/mfd/wm8350/comparator.h index 053788649452..54bc5d0fd502 100644 --- a/include/linux/mfd/wm8350/comparator.h +++ b/include/linux/mfd/wm8350/comparator.h @@ -164,4 +164,12 @@ #define WM8350_AUXADC_BATT 6 #define WM8350_AUXADC_TEMP 7 +struct wm8350; + +/* + * AUX ADC Readback + */ +int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, + int vref); + #endif diff --git a/include/linux/mfd/wm8350/core.h b/include/linux/mfd/wm8350/core.h index 9490ec175d5a..cc190055b9c4 100644 --- a/include/linux/mfd/wm8350/core.h +++ b/include/linux/mfd/wm8350/core.h @@ -573,6 +573,8 @@ struct wm8350 { void *src); u16 *reg_cache; + struct mutex auxadc_mutex; + /* Interrupt handling */ struct work_struct irq_work; struct mutex irq_mutex; /* IRQ table mutex */ |