diff options
Diffstat (limited to 'drivers/input/touchscreen/goodix.c')
| -rw-r--r-- | drivers/input/touchscreen/goodix.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/drivers/input/touchscreen/goodix.c b/drivers/input/touchscreen/goodix.c index a33cc7950cf5..8a0a8078de8f 100644 --- a/drivers/input/touchscreen/goodix.c +++ b/drivers/input/touchscreen/goodix.c @@ -1158,6 +1158,7 @@ static int goodix_configure_dev(struct goodix_ts_data *ts) input_set_abs_params(ts->input_dev, ABS_MT_WIDTH_MAJOR, 0, 255, 0, 0); input_set_abs_params(ts->input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); +retry_read_config: /* Read configuration and apply touchscreen parameters */ goodix_read_config(ts); @@ -1165,6 +1166,16 @@ static int goodix_configure_dev(struct goodix_ts_data *ts) touchscreen_parse_properties(ts->input_dev, true, &ts->prop); if (!ts->prop.max_x || !ts->prop.max_y || !ts->max_touch_num) { + if (!ts->reset_controller_at_probe && + ts->irq_pin_access_method != IRQ_PIN_ACCESS_NONE) { + dev_info(&ts->client->dev, "Config not set, resetting controller\n"); + /* Retry after a controller reset */ + ts->reset_controller_at_probe = true; + error = goodix_reset(ts); + if (error) + return error; + goto retry_read_config; + } dev_err(&ts->client->dev, "Invalid config (%d, %d, %d), using defaults\n", ts->prop.max_x, ts->prop.max_y, ts->max_touch_num); @@ -1271,8 +1282,7 @@ static void goodix_disable_regulators(void *arg) regulator_disable(ts->avdd28); } -static int goodix_ts_probe(struct i2c_client *client, - const struct i2c_device_id *id) +static int goodix_ts_probe(struct i2c_client *client) { struct goodix_ts_data *ts; const char *cfg_name; @@ -1526,7 +1536,7 @@ MODULE_DEVICE_TABLE(of, goodix_of_match); #endif static struct i2c_driver goodix_ts_driver = { - .probe = goodix_ts_probe, + .probe_new = goodix_ts_probe, .remove = goodix_ts_remove, .id_table = goodix_ts_id, .driver = { |