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| author | Linux Build Service Account <lnxbuild@localhost> | 2016-08-04 21:39:40 -0700 |
|---|---|---|
| committer | Gerrit - the friendly Code Review server <code-review@localhost> | 2016-08-04 21:39:39 -0700 |
| commit | bf02aa69f520feda7ca96c9e7c4d58a0b280b98d (patch) | |
| tree | ceeff91a0cad6115b49b26bcaf40a19d166e8189 | |
| parent | 70683f96aab37a16e8954225d8f8412e535e6c96 (diff) | |
| parent | 7233392578f916e3f56bd5cab3578bdb43bf7798 (diff) | |
Merge "input: touchscreen: add delay after enabling regulators"
| -rw-r--r-- | drivers/input/touchscreen/it7258_ts_i2c.c | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/it7258_ts_i2c.c b/drivers/input/touchscreen/it7258_ts_i2c.c index 1fa28f1f0d9d..5f1da30ecd88 100644 --- a/drivers/input/touchscreen/it7258_ts_i2c.c +++ b/drivers/input/touchscreen/it7258_ts_i2c.c @@ -128,6 +128,7 @@ #define IT_I2C_VTG_MIN_UV 2600000 #define IT_I2C_VTG_MAX_UV 3300000 #define IT_I2C_ACTIVE_LOAD_UA 10000 +#define DELAY_VTG_REG_EN 170 #define PINCTRL_STATE_ACTIVE "pmx_ts_active" #define PINCTRL_STATE_SUSPEND "pmx_ts_suspend" @@ -1619,6 +1620,12 @@ static int IT7260_ts_probe(struct i2c_client *client, goto err_power_device; } + /* + * After enabling regulators, controller needs a delay to come to + * an active state. + */ + msleep(DELAY_VTG_REG_EN); + ret = IT7260_ts_pinctrl_init(gl_ts); if (!ret && gl_ts->ts_pinctrl) { /* |