diff options
Diffstat (limited to 'drivers/input/touchscreen/goodix.c')
| -rw-r--r-- | drivers/input/touchscreen/goodix.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index 4d113c9e4b77..5479aa17dba8 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -36,6 +36,7 @@ struct goodix_ts_data { unsigned int max_touch_num; unsigned int int_trigger_type; bool rotated_screen; + int cfg_len; }; #define GOODIX_MAX_HEIGHT 4096 @@ -45,6 +46,8 @@ struct goodix_ts_data { #define GOODIX_MAX_CONTACTS 10 #define GOODIX_CONFIG_MAX_LENGTH 240 +#define GOODIX_CONFIG_911_LENGTH 186 +#define GOODIX_CONFIG_967_LENGTH 228 /* Register defines */ #define GOODIX_READ_COOR_ADDR 0x814E @@ -115,6 +118,25 @@ static int goodix_i2c_read(struct i2c_client *client, return ret < 0 ? ret : (ret != ARRAY_SIZE(msgs) ? -EIO : 0); } +static int goodix_get_cfg_len(u16 id) +{ + switch (id) { + case 911: + case 9271: + case 9110: + case 927: + case 928: + return GOODIX_CONFIG_911_LENGTH; + + case 912: + case 967: + return GOODIX_CONFIG_967_LENGTH; + + default: + return GOODIX_CONFIG_MAX_LENGTH; + } +} + static int goodix_ts_read_input_report(struct goodix_ts_data *ts, u8 *data) { int touch_num; @@ -230,8 +252,7 @@ static void goodix_read_config(struct goodix_ts_data *ts) int error; error = goodix_i2c_read(ts->client, GOODIX_REG_CONFIG_DATA, - config, - GOODIX_CONFIG_MAX_LENGTH); + config, ts->cfg_len); if (error) { dev_warn(&ts->client->dev, "Error reading config (%d), using defaults\n", @@ -398,6 +419,8 @@ static int goodix_ts_probe(struct i2c_client *client, return error; } + ts->cfg_len = goodix_get_cfg_len(id_info); + goodix_read_config(ts); error = goodix_request_input_dev(ts, version_info, id_info); |