return 0;
dev_dbg(ctx->dev, "Resetting the panel\n");
- ret = regulator_enable(ctx->vcc);
+ gpiod_set_value_cansleep(ctx->reset_gpio, 1);
+
+ ret = regulator_enable(ctx->iovcc);
if (ret < 0) {
- dev_err(ctx->dev, "Failed to enable vcc supply: %d\n", ret);
+ dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret);
return ret;
}
- ret = regulator_enable(ctx->iovcc);
+
+ ret = regulator_enable(ctx->vcc);
if (ret < 0) {
- dev_err(ctx->dev, "Failed to enable iovcc supply: %d\n", ret);
- goto disable_vcc;
+ dev_err(ctx->dev, "Failed to enable vcc supply: %d\n", ret);
+ regulator_disable(ctx->iovcc);
+ return ret;
}
- gpiod_set_value_cansleep(ctx->reset_gpio, 1);
- usleep_range(20, 40);
+ /* Give power supplies time to stabilize before deasserting reset. */
+ usleep_range(10000, 20000);
+
gpiod_set_value_cansleep(ctx->reset_gpio, 0);
- msleep(20);
+ usleep_range(15000, 20000);
ctx->prepared = true;
return 0;
-
-disable_vcc:
- regulator_disable(ctx->vcc);
- return ret;
}
static const u32 mantix_bus_formats[] = {