diff options
| -rw-r--r-- | drivers/gpu/drm/panel/panel-raydium-rm67200.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/drivers/gpu/drm/panel/panel-raydium-rm67200.c b/drivers/gpu/drm/panel/panel-raydium-rm67200.c index 1da8225e6f7a..654ce2739ccd 100644 --- a/drivers/gpu/drm/panel/panel-raydium-rm67200.c +++ b/drivers/gpu/drm/panel/panel-raydium-rm67200.c @@ -36,12 +36,14 @@ static inline struct raydium_rm67200 *to_raydium_rm67200(struct drm_panel *panel static void raydium_rm67200_reset(struct raydium_rm67200 *ctx) { - gpiod_set_value_cansleep(ctx->reset_gpio, 0); - msleep(60); - gpiod_set_value_cansleep(ctx->reset_gpio, 1); - msleep(60); - gpiod_set_value_cansleep(ctx->reset_gpio, 0); - msleep(60); + if (ctx->reset_gpio) { + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(60); + gpiod_set_value_cansleep(ctx->reset_gpio, 1); + msleep(60); + gpiod_set_value_cansleep(ctx->reset_gpio, 0); + msleep(60); + } } static void raydium_rm67200_write(struct mipi_dsi_multi_context *ctx, @@ -409,7 +411,7 @@ static int raydium_rm67200_probe(struct mipi_dsi_device *dsi) if (ret < 0) return ret; - ctx->reset_gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW); + ctx->reset_gpio = devm_gpiod_get_optional(dev, "reset", GPIOD_OUT_LOW); if (IS_ERR(ctx->reset_gpio)) return dev_err_probe(dev, PTR_ERR(ctx->reset_gpio), "Failed to get reset-gpios\n"); |