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mfd/fusb302: add input event for Accessory insert

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Change-Id: Ifbdbadbb198146f1dc904c33bf9948c4316fc8d5
Signed-off-by: Zain Wang <wzz@rock-chips.com>
This commit is contained in:
Zain Wang
2019-04-09 18:44:25 +08:00
committed by Tao Huang
parent f86fc39e3e
commit 52b7a55db3
2 changed files with 28 additions and 1 deletions
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27
drivers/mfd/fusb302.c
View File

@@ -899,6 +899,13 @@ static void mux_alert(struct fusb30x_chip *chip, u32 *evt)
static void set_state_unattached(struct fusb30x_chip *chip)
{
dev_info(chip->dev, "connection has disconnected\n");
if (chip->notify.is_cc_connected &&
CC_STATE_ROLE(chip) == CC_STATE_TOGSS_IS_ACC) {
input_report_switch(chip->input, SW_HEADPHONE_INSERT, 0);
input_sync(chip->input);
}
tcpm_init(chip);
tcpm_set_rx_enable(chip, 0);
set_state(chip, unattached);
@@ -1818,6 +1825,8 @@ static void fusb_state_attached_audio_acc(struct fusb30x_chip *chip, u32 evt)
set_state(chip, disabled);
regmap_update_bits(chip->regmap, FUSB_REG_MASK, MASK_M_COMP_CHNG, 0);
dev_info(chip->dev, "CC connected as Audio Accessory\n");
input_report_switch(chip->input, SW_HEADPHONE_INSERT, 1);
input_sync(chip->input);
}
static void fusb_soft_reset_parameter(struct fusb30x_chip *chip)
@@ -3470,8 +3479,24 @@ static int fusb30x_probe(struct i2c_client *client,
"port %d probe success with role %s, try_role %s\n",
chip->port_num, string[0], string[1]);
return 0;
chip->input = devm_input_allocate_device(&client->dev);
if (!chip->input) {
dev_err(chip->dev, "Can't allocate input dev\n");
ret = -ENOMEM;
goto IRQ_ERR;
}
chip->input->name = "Typec_Headphone";
chip->input->phys = "fusb302/typec";
input_set_capability(chip->input, EV_SW, SW_HEADPHONE_INSERT);
ret = input_register_device(chip->input);
if (ret) {
dev_err(chip->dev, "Can't register input device: %d\n", ret);
goto IRQ_ERR;
}
return 0;
IRQ_ERR:
destroy_workqueue(chip->fusb30x_wq);
return ret;

2
drivers/mfd/fusb302.h
View File

@@ -14,6 +14,7 @@
#include <linux/i2c.h>
#include <linux/hrtimer.h>
#include <linux/input.h>
const char *FUSB_DT_INTERRUPT_INTN = "fsc_interrupt_int_n";
#define FUSB_DT_GPIO_INTN "fairchild,int_n"
@@ -553,6 +554,7 @@ struct fusb30x_chip {
bool vconn_supported;
bool try_role_complete;
enum role_mode try_role;
struct input_dev *input;
};
#endif /* FUSB302_H */