add audio

hc

2023-12-11 1f93a7dfd1f8d5ff7a5c53246c7534fe2332d6f4

 kernel/arch/sh/include/asm/rtc.h
..
..
@@ -3,9 +3,6 @@
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 #define _ASM_RTC_H
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 void time_init(void);
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-extern void (*board_time_init)(void);
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-extern void (*rtc_sh_get_time)(struct timespec *);
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-extern int (*rtc_sh_set_time)(const time_t);
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 #define RTC_CAP_4_DIGIT_YEAR	(1 << 0)
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