diff options
| -rw-r--r-- | drivers/input/touchscreen/iqs5xx.c | 31 |
1 files changed, 12 insertions, 19 deletions
diff --git a/drivers/input/touchscreen/iqs5xx.c b/drivers/input/touchscreen/iqs5xx.c index 127687ac160e..35da66bfd87f 100644 --- a/drivers/input/touchscreen/iqs5xx.c +++ b/drivers/input/touchscreen/iqs5xx.c @@ -47,10 +47,13 @@ #define IQS5XX_SUSPEND BIT(0) #define IQS5XX_RESUME 0 -#define IQS5XX_SW_INPUT_EVENT 0x10 -#define IQS5XX_SETUP_COMPLETE 0x40 -#define IQS5XX_EVENT_MODE 0x01 -#define IQS5XX_TP_EVENT 0x04 +#define IQS5XX_SETUP_COMPLETE BIT(6) +#define IQS5XX_WDT BIT(5) +#define IQS5XX_ALP_REATI BIT(3) +#define IQS5XX_REATI BIT(2) + +#define IQS5XX_TP_EVENT BIT(2) +#define IQS5XX_EVENT_MODE BIT(0) #define IQS5XX_PROD_NUM 0x0000 #define IQS5XX_SYS_INFO0 0x000F @@ -187,11 +190,6 @@ static int iqs5xx_read_word(struct i2c_client *client, u16 reg, u16 *val) return 0; } -static int iqs5xx_read_byte(struct i2c_client *client, u16 reg, u8 *val) -{ - return iqs5xx_read_burst(client, reg, val, sizeof(*val)); -} - static int iqs5xx_write_burst(struct i2c_client *client, u16 reg, const void *val, u16 len) { @@ -561,7 +559,6 @@ static int iqs5xx_dev_init(struct i2c_client *client) struct iqs5xx_private *iqs5xx = i2c_get_clientdata(client); struct iqs5xx_dev_id_info *dev_id_info; int error; - u8 val; u8 buf[sizeof(*dev_id_info) + 1]; error = iqs5xx_read_burst(client, IQS5XX_PROD_NUM, @@ -628,18 +625,14 @@ static int iqs5xx_dev_init(struct i2c_client *client) if (error) return error; - error = iqs5xx_read_byte(client, IQS5XX_SYS_CFG0, &val); - if (error) - return error; - - val |= IQS5XX_SETUP_COMPLETE; - val &= ~IQS5XX_SW_INPUT_EVENT; - error = iqs5xx_write_byte(client, IQS5XX_SYS_CFG0, val); + error = iqs5xx_write_byte(client, IQS5XX_SYS_CFG0, + IQS5XX_SETUP_COMPLETE | IQS5XX_WDT | + IQS5XX_ALP_REATI | IQS5XX_REATI); if (error) return error; - val = IQS5XX_TP_EVENT | IQS5XX_EVENT_MODE; - error = iqs5xx_write_byte(client, IQS5XX_SYS_CFG1, val); + error = iqs5xx_write_byte(client, IQS5XX_SYS_CFG1, + IQS5XX_TP_EVENT | IQS5XX_EVENT_MODE); if (error) return error; |