diff --git a/components/esp_lcd/i2c/esp_lcd_panel_io_i2c.c b/components/esp_lcd/i2c/esp_lcd_panel_io_i2c.c
index 2757df5fc17..68c4b461e05 100644
--- a/components/esp_lcd/i2c/esp_lcd_panel_io_i2c.c
+++ b/components/esp_lcd/i2c/esp_lcd_panel_io_i2c.c
@@ -124,7 +124,7 @@ static esp_err_t panel_io_i2c_rx_buffer(esp_lcd_panel_io_t *io, int lcd_cmd, voi
 {
     esp_err_t ret = ESP_OK;
     lcd_panel_io_i2c_t *i2c_panel_io = __containerof(io, lcd_panel_io_i2c_t, base);
-    bool send_param = (lcd_cmd >= 0);
+    bool send_param = (lcd_cmd != -1);
 
     if (send_param) {
         int write_size = 0;
@@ -156,7 +156,7 @@ static esp_err_t panel_io_i2c_tx_buffer(esp_lcd_panel_io_t *io, int lcd_cmd, con
 {
     esp_err_t ret = ESP_OK;
     lcd_panel_io_i2c_t *i2c_panel_io = __containerof(io, lcd_panel_io_i2c_t, base);
-    bool send_param = (lcd_cmd >= 0);
+    bool send_param = (lcd_cmd != -1);
 
     uint8_t control_phase_byte = 0;
     size_t control_phase_size = 0;
diff --git a/components/esp_lcd/i80/esp_lcd_panel_io_i80.c b/components/esp_lcd/i80/esp_lcd_panel_io_i80.c
index d97019894e4..308873a9de4 100644
--- a/components/esp_lcd/i80/esp_lcd_panel_io_i80.c
+++ b/components/esp_lcd/i80/esp_lcd_panel_io_i80.c
@@ -750,10 +750,10 @@ static void lcd_start_transaction(esp_lcd_i80_bus_t *bus, lcd_i80_trans_descript
 {
     // by default, the dummy phase is disabled because it's not common for most LCDs
     uint32_t dummy_cycles = 0;
-    uint32_t cmd_cycles = trans_desc->cmd_value >= 0 ? trans_desc->cmd_cycles : 0;
+    uint32_t cmd_cycles = trans_desc->cmd_value != -1 ? trans_desc->cmd_cycles : 0;
     // Number of data phase cycles are controlled by DMA buffer length, we only need to enable/disable the phase here
     uint32_t data_cycles = trans_desc->data ? 1 : 0;
-    if (trans_desc->cmd_value >= 0) {
+    if (trans_desc->cmd_value != -1) {
         lcd_ll_set_command(bus->hal.dev, bus->bus_width, trans_desc->cmd_value);
     }
     lcd_ll_set_phase_cycles(bus->hal.dev, cmd_cycles, dummy_cycles, data_cycles);
diff --git a/components/esp_lcd/spi/esp_lcd_panel_io_spi.c b/components/esp_lcd/spi/esp_lcd_panel_io_spi.c
index b74b14710b3..e176691820e 100644
--- a/components/esp_lcd/spi/esp_lcd_panel_io_spi.c
+++ b/components/esp_lcd/spi/esp_lcd_panel_io_spi.c
@@ -210,7 +210,7 @@ static esp_err_t panel_io_spi_tx_param(esp_lcd_panel_io_t *io, int lcd_cmd, cons
     spi_transaction_t *spi_trans = NULL;
     lcd_spi_trans_descriptor_t *lcd_trans = NULL;
     esp_lcd_panel_io_spi_t *spi_panel_io = __containerof(io, esp_lcd_panel_io_spi_t, base);
-    bool send_cmd = (lcd_cmd >= 0);
+    bool send_cmd = (lcd_cmd != -1);
 
     ESP_RETURN_ON_ERROR(spi_device_acquire_bus(spi_panel_io->spi_dev, portMAX_DELAY), TAG, "acquire spi bus failed");
 
@@ -266,7 +266,7 @@ static esp_err_t panel_io_spi_rx_param(esp_lcd_panel_io_t *io, int lcd_cmd, void
     spi_transaction_t *spi_trans = NULL;
     lcd_spi_trans_descriptor_t *lcd_trans = NULL;
     esp_lcd_panel_io_spi_t *spi_panel_io = __containerof(io, esp_lcd_panel_io_spi_t, base);
-    bool send_cmd = (lcd_cmd >= 0);
+    bool send_cmd = (lcd_cmd != -1);
 
     ESP_RETURN_ON_ERROR(spi_device_acquire_bus(spi_panel_io->spi_dev, portMAX_DELAY), TAG, "acquire spi bus failed");
 
@@ -324,7 +324,7 @@ static esp_err_t panel_io_spi_tx_color(esp_lcd_panel_io_t *io, int lcd_cmd, cons
 
     ESP_RETURN_ON_ERROR(spi_device_acquire_bus(spi_panel_io->spi_dev, portMAX_DELAY), TAG, "acquire spi bus failed");
 
-    bool send_cmd = (lcd_cmd >= 0);
+    bool send_cmd = (lcd_cmd != -1);
     if (send_cmd) {
         // before issue a polling transaction, need to wait queued transactions finished
         size_t num_trans_inflight = spi_panel_io->num_trans_inflight;