diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/power/twl6030.c | 25 |
1 files changed, 20 insertions, 5 deletions
diff --git a/drivers/power/twl6030.c b/drivers/power/twl6030.c index 0858b60..6bf1a33 100644 --- a/drivers/power/twl6030.c +++ b/drivers/power/twl6030.c @@ -9,6 +9,17 @@ #include <twl6030.h> +static struct twl6030_data *twl; + +static struct twl6030_data twl6030_info = { + .chip_type = chip_TWL6030, + .adc_rbase = GPCH0_LSB, + .adc_ctrl = CTRL_P2, + .adc_enable = CTRL_P2_SP2, + .vbat_mult = TWL6030_VBAT_MULT, + .vbat_shift = TWL6030_VBAT_SHIFT, +}; + static int twl6030_gpadc_read_channel(u8 channel_no) { u8 lsb = 0; @@ -16,12 +27,12 @@ static int twl6030_gpadc_read_channel(u8 channel_no) int ret = 0; ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC, - GPCH0_LSB + channel_no * 2, &lsb); + twl->adc_rbase + channel_no * 2, &lsb); if (ret) return ret; ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC, - GPCH0_MSB + channel_no * 2, &msb); + twl->adc_rbase + 1 + channel_no * 2, &msb); if (ret) return ret; @@ -33,7 +44,8 @@ static int twl6030_gpadc_sw2_trigger(void) u8 val; int ret = 0; - ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC, CTRL_P2, CTRL_P2_SP2); + ret = twl6030_i2c_write_u8(TWL6030_CHIP_ADC, + twl->adc_ctrl, twl->adc_enable); if (ret) return ret; @@ -41,7 +53,8 @@ static int twl6030_gpadc_sw2_trigger(void) val = CTRL_P2_BUSY; while (!((val & CTRL_P2_EOCP2) && (!(val & CTRL_P2_BUSY)))) { - ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC, CTRL_P2, &val); + ret = twl6030_i2c_read_u8(TWL6030_CHIP_ADC, + twl->adc_ctrl, &val); if (ret) return ret; udelay(1000); @@ -116,7 +129,7 @@ int twl6030_get_battery_voltage(void) printf("Failed to read battery voltage\n"); return ret; } - battery_volt = (battery_volt * 25 * 1000) >> (10 + 2); + battery_volt = (battery_volt * twl->vbat_mult) >> twl->vbat_shift; printf("Battery Voltage: %d mV\n", battery_volt); return battery_volt; @@ -128,6 +141,8 @@ void twl6030_init_battery_charging(void) int battery_volt = 0; int ret = 0; + twl = &twl6030_info; + /* Enable VBAT measurement */ twl6030_i2c_write_u8(TWL6030_CHIP_PM, MISC1, VBAT_MEAS); |