zen/zenxfi: add remark about pin

Clearly this pin does not control power so don't call it lcd_power.

Change-Id: I9a6794e2606de99cb44dd3e7288b5cce5beb8d0d

1 files changed, 7 insertions, 6 deletions

diff --git a/firmware/target/arm/imx233/creative-zen/lcd-zen.c b/firmware/target/arm/imx233/creative-zen/lcd-zen.c
index d4beebf736..d21d26c0c3 100644
--- a/firmware/target/arm/imx233/creative-zen/lcd-zen.c
+++ b/firmware/target/arm/imx233/creative-zen/lcd-zen.c
@@ -149,13 +149,14 @@ static void spi_write_reg(uint8_t reg, uint16_t value)
  * LCD control
  */
 
-static void lcd_power(bool en)
+static void lcd_something(bool en)
 {
+    /* I don't know what this pin does */
     imx233_pinctrl_set_gpio(1, 8, en);
     mdelay(10);
 }
 
-static void lcd_power_seq(void)
+static void lcd_something_seq(void)
 {
     spi_write_reg(0x7, 0);
     mdelay(10);
@@ -242,9 +243,9 @@ void lcd_enable(bool enable)
         imx233_lcdif_reset_lcd(true);
         mdelay(1);
         // "power" on
-        lcd_power(true);
+        lcd_something(true);
         // setup registers
-        lcd_power_seq();
+        lcd_something_seq();
         lcd_init_seq();
         lcd_display_on_seq();
 
@@ -255,7 +256,7 @@ void lcd_enable(bool enable)
     {
         // power down
         lcd_display_off_seq();
-        lcd_power(false);
+        lcd_something(false);
         // stop lcdif
         BF_CLR(LCDIF_CTRL, DOTCLK_MODE);
         /* stmp37xx errata: clearing DOTCLK_MODE won't clear RUN: wait until
@@ -280,7 +281,7 @@ void lcd_init_device(void)
 {
     semaphore_init(&g_wait_sema, 1, 0);
     /* I'm not really sure this pin is related to power, it does not seem to do anything */
-    imx233_pinctrl_acquire(1, 8, "lcd_power");
+    imx233_pinctrl_acquire(1, 8, "lcd_something");
     imx233_pinctrl_acquire(1, 9, "lcd_spi_sdo");
     imx233_pinctrl_acquire(1, 10, "lcd_spi_scl");
     imx233_pinctrl_acquire(1, 11, "lcd_spi_cs");