cregit-Linux how code gets into the kernel

Release 4.14 arch/mn10300/unit-asb2303/leds.c

/* ASB2303 peripheral 7-segment LEDs x1 support
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public Licence
 * as published by the Free Software Foundation; either version
 * 2 of the Licence, or (at your option) any later version.
 */
#include <linux/kernel.h>
#include <linux/param.h>
#include <linux/init.h>

#include <asm/io.h>
#include <asm/processor.h>
#include <asm/intctl-regs.h>
#include <asm/rtc-regs.h>
#include <unit/leds.h>

#if 0
static const u8 asb2303_led_hex_tbl[16] = {
        0x80, 0xf2, 0x48, 0x60, 0x32, 0x24, 0x04, 0xf0,
        0x00, 0x20, 0x10, 0x06, 0x8c, 0x42, 0x0c, 0x1c
};
#endif


static const u8 asb2303_led_chase_tbl[6] = {
	~0x02,	/* top          - segA */
	~0x04,	/* right top    - segB */
	~0x08,	/* right bottom - segC */
	~0x10,	/* bottom       - segD */
	~0x20,	/* left bottom  - segE */
	~0x40,	/* left top     - segF */
};


static unsigned asb2303_led_chase;


void peripheral_leds_display_exception(enum exception_code code) { ASB2303_GPIO0DEF = 0x5555; /* configure as an output port */ ASB2303_7SEGLEDS = 0x6d; /* triple horizontal bar */ }

Contributors

PersonTokensPropCommitsCommitProp
David Howells19100.00%1100.00%
Total19100.00%1100.00%


void peripheral_leds_led_chase(void) { ASB2303_GPIO0DEF = 0x5555; /* configure as an output port */ ASB2303_7SEGLEDS = asb2303_led_chase_tbl[asb2303_led_chase]; asb2303_led_chase++; if (asb2303_led_chase >= 6) asb2303_led_chase = 0; }

Contributors

PersonTokensPropCommitsCommitProp
David Howells32100.00%1100.00%
Total32100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
David Howells121100.00%2100.00%
Total121100.00%2100.00%
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