From 67c4231e34cd8147963a054c44a715f3413fb2e3 Mon Sep 17 00:00:00 2001 From: Christian Soffke Date: Sun, 29 Aug 2021 14:19:02 +0200 Subject: [PATCH] iPod mini backlight initialization Fixes backlight not turning on after booting (tested on an iPod Mini 2G). backlight_hw_init() copied from iPod 4G. Change-Id: I9c32ca5ecd3dc74ea997e6cb843da79d303b0615 --- firmware/target/arm/ipod/backlight-mini1g_mini2g.c | 7 +++++++ firmware/target/arm/ipod/backlight-target.h | 2 +- 2 files changed, 8 insertions(+), 1 deletion(-) diff --git a/firmware/target/arm/ipod/backlight-mini1g_mini2g.c b/firmware/target/arm/ipod/backlight-mini1g_mini2g.c index 8dd7ef87bd..143be32e91 100644 --- a/firmware/target/arm/ipod/backlight-mini1g_mini2g.c +++ b/firmware/target/arm/ipod/backlight-mini1g_mini2g.c @@ -43,3 +43,10 @@ void backlight_hw_off(void) { GPIO_CLEAR_BITWISE(GPIOB_OUTPUT_VAL, 0x08); } + +bool backlight_hw_init(void) +{ + GPIO_SET_BITWISE(GPIOB_ENABLE, 0x0c); /* B02 and B03 enable */ + GPIO_SET_BITWISE(GPIOB_OUTPUT_VAL, 0x08); /* B03 = 1 */ + return true; +} diff --git a/firmware/target/arm/ipod/backlight-target.h b/firmware/target/arm/ipod/backlight-target.h index 299a1cb6e7..133663d279 100644 --- a/firmware/target/arm/ipod/backlight-target.h +++ b/firmware/target/arm/ipod/backlight-target.h @@ -57,7 +57,7 @@ void backlight_hw_brightness(int val); #elif defined(IPOD_MINI) || defined(IPOD_MINI2G) -#define backlight_hw_init() true +bool backlight_hw_init(void); void backlight_hw_on(void); void backlight_hw_off(void);