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Fixed MTP to work with TWRP

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awab228 2018-06-19 23:16:04 +02:00
commit f6dfaef42e
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92
drivers/pcmcia/sa1100_cerf.c Normal file
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/*
* drivers/pcmcia/sa1100_cerf.c
*
* PCMCIA implementation routines for CerfBoard
* Based off the Assabet.
*
*/
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/device.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
#include <asm/mach-types.h>
#include <asm/irq.h>
#include <mach/cerf.h>
#include "sa1100_generic.h"
#define CERF_SOCKET 1
static int cerf_pcmcia_hw_init(struct soc_pcmcia_socket *skt)
{
int ret;
ret = gpio_request_one(CERF_GPIO_CF_RESET, GPIOF_OUT_INIT_LOW, "CF_RESET");
if (ret)
return ret;
skt->stat[SOC_STAT_CD].gpio = CERF_GPIO_CF_CD;
skt->stat[SOC_STAT_CD].name = "CF_CD";
skt->stat[SOC_STAT_BVD1].gpio = CERF_GPIO_CF_BVD1;
skt->stat[SOC_STAT_BVD1].name = "CF_BVD1";
skt->stat[SOC_STAT_BVD2].gpio = CERF_GPIO_CF_BVD2;
skt->stat[SOC_STAT_BVD2].name = "CF_BVD2";
skt->stat[SOC_STAT_RDY].gpio = CERF_GPIO_CF_IRQ;
skt->stat[SOC_STAT_RDY].name = "CF_IRQ";
return 0;
}
static void cerf_pcmcia_hw_shutdown(struct soc_pcmcia_socket *skt)
{
gpio_free(CERF_GPIO_CF_RESET);
}
static void
cerf_pcmcia_socket_state(struct soc_pcmcia_socket *skt, struct pcmcia_state *state)
{
state->vs_3v = 1;
state->vs_Xv = 0;
}
static int
cerf_pcmcia_configure_socket(struct soc_pcmcia_socket *skt,
const socket_state_t *state)
{
switch (state->Vcc) {
case 0:
case 50:
case 33:
break;
default:
printk(KERN_ERR "%s(): unrecognized Vcc %u\n",
__func__, state->Vcc);
return -1;
}
gpio_set_value(CERF_GPIO_CF_RESET, !!(state->flags & SS_RESET));
return 0;
}
static struct pcmcia_low_level cerf_pcmcia_ops = {
.owner = THIS_MODULE,
.hw_init = cerf_pcmcia_hw_init,
.hw_shutdown = cerf_pcmcia_hw_shutdown,
.socket_state = cerf_pcmcia_socket_state,
.configure_socket = cerf_pcmcia_configure_socket,
};
int pcmcia_cerf_init(struct device *dev)
{
int ret = -ENODEV;
if (machine_is_cerf())
ret = sa11xx_drv_pcmcia_probe(dev, &cerf_pcmcia_ops, CERF_SOCKET, 1);
return ret;
}