diff options
| author | Balaji Rao <balajirrao@gmail.com> | 2008-11-20 19:46:50 +0000 |
|---|---|---|
| committer | Andy Green <agreen@pads.home.warmcat.com> | 2008-11-20 19:46:50 +0000 |
| commit | 058c3e475847a1f2b59400a49d176eb8cfc8109e (patch) | |
| tree | 9841f6f8e66c0d775234383ee0d12a5b73a44d77 /include/linux | |
| parent | 8db33e666ac69db075bfaa936cfa25b2d6c34ef1 (diff) | |
pcf50633_adc.patch
Improves ADC access interface in pcf50633 driver.
Diffstat (limited to 'include/linux')
| -rw-r--r-- | include/linux/pcf50633.h | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/include/linux/pcf50633.h b/include/linux/pcf50633.h index ab73cb99ad0..2968191d0a0 100644 --- a/include/linux/pcf50633.h +++ b/include/linux/pcf50633.h @@ -109,6 +109,14 @@ extern int pcf50633_onoff_set(struct pcf50633_data *pcf, enum pcf50633_regulator_id reg, int on); +extern int +pcf50633_adc_async_read(struct pcf50633_data *pcf, int mux, int avg, + void (*callback)(struct pcf50633_data *, void *, int), + void *callback_param); + +extern int +pcf50633_adc_sync_read(struct pcf50633_data *pcf, int mux, int avg); + extern void pcf50633_backlight_resume(struct pcf50633_data *pcf); @@ -532,6 +540,17 @@ enum pcf50633_reg_mbcs3 { PCF50633_MBCS3_VRES = 0x80, /* 1: Vbat > Vth(RES) */ }; +struct adc_request { + int mux; + int avg; + int result; + void (*callback)(struct pcf50633_data *, void *, int); + void *callback_param; + + /* Used in case of sync requests */ + struct completion completion; +}; + struct pcf50633_data { struct i2c_client *client; struct pcf50633_platform_data *pdata; @@ -575,14 +594,10 @@ struct pcf50633_data { int coldplug_done; /* cleared by probe, set by first work service */ int flag_bat_voltage_read; /* ipc to /sys batt voltage read func */ - int charger_adc_result_raw; - enum charger_type charger_type; - /* we have a FIFO of ADC measurement requests that are used only by * the workqueue service code after the ADC completion interrupt */ - int adc_queue_mux[MAX_ADC_FIFO_DEPTH]; /* which ADC input to use */ - int adc_queue_avg[MAX_ADC_FIFO_DEPTH]; /* amount of averaging */ + struct adc_request *adc_queue[MAX_ADC_FIFO_DEPTH]; /* amount of averaging */ int adc_queue_head; /* head owned by foreground code */ int adc_queue_tail; /* tail owned by service code */ |