Otherwise we get:
arch/arm/mach-omap2/board-zoom-display.c:64: undefined reference to `twl_i2c_read_u8'
arch/arm/mach-omap2/board-zoom-display.c:65: undefined reference to `twl_i2c_read_u8'
arch/arm/mach-omap2/board-zoom-display.c:84: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:86: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:91: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:92: undefined reference to `twl_i2c_write_u8'
arch/arm/mach-omap2/board-zoom-display.c:72: undefined reference to `twl_i2c_write_u8'
Signed-off-by: Tony Lindgren <tony@xxxxxxxxxxx>
---
arch/arm/mach-omap2/board-zoom-display.c | 6 ++++++
1 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/board-zoom-display.c b/arch/arm/mach-omap2/board-zoom-display.c
index d4683ba..7f75fcd 100644
--- a/arch/arm/mach-omap2/board-zoom-display.c
+++ b/arch/arm/mach-omap2/board-zoom-display.c
@@ -53,8 +53,11 @@ static void zoom_panel_disable_lcd(struct omap_dss_device *dssdev)
#define TWL_LED_PWMON 0x0
#define TWL_LED_PWMOFF 0x1
+
static int zoom_set_bl_intensity(struct omap_dss_device *dssdev, int level)
{
+
+#ifdef CONFIG_TWL4030_CORE
unsigned char c;
u8 mux_pwm, enb_pwm;
@@ -90,6 +93,9 @@ static int zoom_set_bl_intensity(struct omap_dss_device *dssdev, int level)
c = ((50 * (100 - level)) / 100) + 1;
twl_i2c_write_u8(TWL4030_MODULE_PWM1, 0x7F, TWL_LED_PWMOFF);
twl_i2c_write_u8(TWL4030_MODULE_PWM1, c, TWL_LED_PWMON);
+#else
+ pr_warn("Backlight not enabled\n");
+#endif
return 0;
}
--
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