diff options
Diffstat (limited to 'drivers/input/misc/ab8500-accdet.c')
| -rw-r--r-- | drivers/input/misc/ab8500-accdet.c | 46 |
1 files changed, 45 insertions, 1 deletions
diff --git a/drivers/input/misc/ab8500-accdet.c b/drivers/input/misc/ab8500-accdet.c index 2d9c740bc17..0fe60364d54 100644 --- a/drivers/input/misc/ab8500-accdet.c +++ b/drivers/input/misc/ab8500-accdet.c @@ -21,6 +21,9 @@ #include <linux/gpio.h> #include <linux/err.h> #include <mach/abx500-accdet.h> +#ifdef CONFIG_SND_SOC_UX500_AB8500 +#include <sound/ux500_ab8500_ext.h> +#endif #define MAX_DET_COUNT 10 #define MAX_VOLT_DIFF 30 @@ -228,8 +231,38 @@ static int ab8500_detect_plugged_in(struct abx500_ad *dd) return value & BIT_ITSOURCE5_ACCDET1 ? 0 : 1; } +#ifdef CONFIG_SND_SOC_UX500_AB8500 + /* - * mic_line_voltage_stable - measures a relative stable voltage from spec. input + * meas_voltage_stable - measures relative stable voltage from spec. input + */ +static int ab8500_meas_voltage_stable(struct abx500_ad *dd) +{ + int ret, mv; + + ret = ux500_ab8500_audio_gpadc_measure((struct ab8500_gpadc *)dd->gpadc, + ACC_DETECT2, false, &mv); + + return (ret < 0) ? ret : mv; +} + +/* + * meas_alt_voltage_stable - measures relative stable voltage from spec. input + */ +static int ab8500_meas_alt_voltage_stable(struct abx500_ad *dd) +{ + int ret, mv; + + ret = ux500_ab8500_audio_gpadc_measure((struct ab8500_gpadc *)dd->gpadc, + ACC_DETECT2, true, &mv); + + return (ret < 0) ? ret : mv; +} + +#else + +/* + * meas_voltage_stable - measures relative stable voltage from spec. input */ static int ab8500_meas_voltage_stable(struct abx500_ad *dd) { @@ -251,6 +284,16 @@ static int ab8500_meas_voltage_stable(struct abx500_ad *dd) } /* + * not implemented for non soc setups + */ +static int ab8500_meas_alt_voltage_stable(struct abx500_ad *dd) +{ + return -1; +} + +#endif + +/* * configures HW so that it is possible to make decision whether * accessory is connected or not. */ @@ -392,6 +435,7 @@ struct abx500_ad ab8500_accessory_det_callbacks = { .config_accdetect1_hw = ab8500_config_accdetect1_hw, .detect_plugged_in = ab8500_detect_plugged_in, .meas_voltage_stable = ab8500_meas_voltage_stable, + .meas_alt_voltage_stable = ab8500_meas_alt_voltage_stable, .config_hw_test_basic_carkit = ab8500_config_hw_test_basic_carkit, .turn_off_accdet_comparator = ab8500_turn_off_accdet_comparator, .turn_on_accdet_comparator = ab8500_turn_on_accdet_comparator, |