diff options
| author | Andi Shyti <andi.shyti@samsung.com> | 2017-02-17 17:25:51 +0900 |
|---|---|---|
| committer | Andi Shyti <andi.shyti@samsung.com> | 2017-02-17 17:46:40 +0900 |
| commit | 103a229abc932c2d32f3b0ed6a257664a05c9bb1 (patch) | |
| tree | b73203774d9f0111b8a226aa7917509374e409b8 | |
| parent | 2582e4d639d7c4712e4d45422f0180888516c91d (diff) | |
extcon: max77843: define USB device ADC state
The ADC state defines the resistance that a USB device has in
order to distinguish between devices.
Define the 10001 (0x11) value as USB generic device and set the
device as usb host.
Change-Id: Ic1df48cd988ffb319f4c79f12c63791afcc6e6e2
Sigend-off-by: Woochang Kim <wchang.kim@samsung.com>
Sigend-off-by: Andi Shyti <andi.shyti@samsung.com>
| -rw-r--r-- | drivers/extcon/extcon-max77843.c | 21 |
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/extcon/extcon-max77843.c b/drivers/extcon/extcon-max77843.c index f6fcaeb4b067..f73d3008a277 100644 --- a/drivers/extcon/extcon-max77843.c +++ b/drivers/extcon/extcon-max77843.c @@ -81,7 +81,7 @@ enum max77843_muic_accessory_type { MAX77843_MUIC_ADC_RESERVED_ACC_1, MAX77843_MUIC_ADC_RESERVED_ACC_2, MAX77843_MUIC_ADC_RESERVED_ACC_3, - MAX77843_MUIC_ADC_RESERVED_ACC_4, + MAX77843_MUIC_ADC_GENERIC_DEVICE, MAX77843_MUIC_ADC_RESERVED_ACC_5, MAX77843_MUIC_ADC_AUDIO_DEVICE_TYPE2, MAX77843_MUIC_ADC_PHONE_POWERED_DEV, @@ -302,6 +302,18 @@ static int max77843_muic_get_cable_type(struct max77843_muic_info *info, break; } + if (adc == MAX77843_MUIC_ADC_GENERIC_DEVICE) { + if (chg_type == MAX77843_MUIC_CHG_NONE) { + *attached = false; + cable_type = info->prev_chg_type; + info->prev_chg_type = MAX77843_MUIC_CHG_NONE; + } else { + *attached = true; + cable_type = info->prev_chg_type = MAX77843_MUIC_CHG_NONE; + } + break; + } + if (chg_type == MAX77843_MUIC_CHG_NONE) { *attached = false; cable_type = info->prev_chg_type; @@ -446,6 +458,12 @@ static int max77843_muic_adc_handler(struct max77843_muic_info *info) if (ret < 0) return ret; break; + case MAX77843_MUIC_ADC_GENERIC_DEVICE: + ret = max77843_muic_set_path(info, CONTROL1_SW_USB, attached); + if (ret < 0) + return ret; + extcon_set_cable_state(info->edev, "USB-HOST", attached); + break; case MAX77843_MUIC_ADC_SEND_END_BUTTON: case MAX77843_MUIC_ADC_REMOTE_S1_BUTTON: case MAX77843_MUIC_ADC_REMOTE_S2_BUTTON: @@ -462,7 +480,6 @@ static int max77843_muic_adc_handler(struct max77843_muic_info *info) case MAX77843_MUIC_ADC_RESERVED_ACC_1: case MAX77843_MUIC_ADC_RESERVED_ACC_2: case MAX77843_MUIC_ADC_RESERVED_ACC_3: - case MAX77843_MUIC_ADC_RESERVED_ACC_4: case MAX77843_MUIC_ADC_RESERVED_ACC_5: case MAX77843_MUIC_ADC_AUDIO_DEVICE_TYPE2: case MAX77843_MUIC_ADC_PHONE_POWERED_DEV: |