cregit-Linux how code gets into the kernel

Release 4.11 arch/arm/mach-s3c24xx/setup-camif.c

/*
 * Copyright (C) 2012 Sylwester Nawrocki <sylvester.nawrocki@gmail.com>
 *
 * Helper functions for S3C24XX/S3C64XX SoC series CAMIF driver
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */

#include <linux/gpio.h>
#include <plat/gpio-cfg.h>
#include <mach/gpio-samsung.h>

/* Number of camera port pins, without FIELD */

#define S3C_CAMIF_NUM_GPIOS	13

/* Default camera port configuration helpers. */


static void camif_get_gpios(int *gpio_start, int *gpio_reset) { #ifdef CONFIG_ARCH_S3C24XX *gpio_start = S3C2410_GPJ(0); *gpio_reset = S3C2410_GPJ(12); #else /* s3c64xx */ *gpio_start = S3C64XX_GPF(0); *gpio_reset = S3C64XX_GPF(3); #endif }

Contributors

PersonTokensPropCommitsCommitProp
Sylwester Nawrocki54100.00%1100.00%
Total54100.00%1100.00%


int s3c_camif_gpio_get(void) { int gpio_start, gpio_reset; int ret, i; camif_get_gpios(&gpio_start, &gpio_reset); for (i = 0; i < S3C_CAMIF_NUM_GPIOS; i++) { int gpio = gpio_start + i; if (gpio == gpio_reset) continue; ret = gpio_request(gpio, "camif"); if (!ret) ret = s3c_gpio_cfgpin(gpio, S3C_GPIO_SFN(2)); if (ret) { pr_err("failed to configure GPIO %d\n", gpio); for (--i; i >= 0; i--) gpio_free(gpio--); return ret; } s3c_gpio_setpull(gpio, S3C_GPIO_PULL_NONE); } return 0; }

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PersonTokensPropCommitsCommitProp
Sylwester Nawrocki125100.00%1100.00%
Total125100.00%1100.00%


void s3c_camif_gpio_put(void) { int i, gpio_start, gpio_reset; camif_get_gpios(&gpio_start, &gpio_reset); for (i = 0; i < S3C_CAMIF_NUM_GPIOS; i++) { int gpio = gpio_start + i; if (gpio != gpio_reset) gpio_free(gpio); } }

Contributors

PersonTokensPropCommitsCommitProp
Sylwester Nawrocki56100.00%1100.00%
Total56100.00%1100.00%


Overall Contributors

PersonTokensPropCommitsCommitProp
Sylwester Nawrocki24798.41%133.33%
Linus Walleij41.59%266.67%
Total251100.00%3100.00%
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