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-rw-r--r--drivers/input/touchscreen/cyttsp_core.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c
index 8814b6c87097..91cda8f8119d 100644
--- a/drivers/input/touchscreen/cyttsp_core.c
+++ b/drivers/input/touchscreen/cyttsp_core.c
@@ -240,6 +240,16 @@ static int cyttsp_set_sysinfo_regs(struct cyttsp *ts)
return retval;
}
+static void cyttsp_hard_reset(struct cyttsp *ts)
+{
+ if (ts->reset_gpio) {
+ gpiod_set_value_cansleep(ts->reset_gpio, 1);
+ msleep(CY_DELAY_DFLT);
+ gpiod_set_value_cansleep(ts->reset_gpio, 0);
+ msleep(CY_DELAY_DFLT);
+ }
+}
+
static int cyttsp_soft_reset(struct cyttsp *ts)
{
unsigned long timeout;
@@ -666,6 +676,8 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops,
disable_irq(ts->irq);
+ cyttsp_hard_reset(ts);
+
error = cyttsp_power_on(ts);
if (error)
return ERR_PTR(error);