mirror of
https://github.com/AetherDroid/android_kernel_samsung_on5xelte.git
synced 2025-09-08 09:08:05 -04:00
Fixed MTP to work with TWRP
This commit is contained in:
awab228
commit
f6dfaef42e
50820 changed files with 20846062 additions and 0 deletions
231
drivers/pcmcia/socket_sysfs.c
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231
drivers/pcmcia/socket_sysfs.c
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/*
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* socket_sysfs.c -- most of socket-related sysfs output
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* (C) 2003 - 2004 Dominik Brodowski
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*/
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#include <linux/module.h>
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#include <linux/moduleparam.h>
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#include <linux/init.h>
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#include <linux/kernel.h>
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#include <linux/string.h>
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#include <linux/major.h>
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#include <linux/errno.h>
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#include <linux/mm.h>
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#include <linux/interrupt.h>
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#include <linux/timer.h>
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#include <linux/ioport.h>
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#include <linux/delay.h>
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#include <linux/pm.h>
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#include <linux/device.h>
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#include <linux/mutex.h>
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#include <asm/irq.h>
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#include <pcmcia/ss.h>
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#include <pcmcia/cistpl.h>
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#include <pcmcia/cisreg.h>
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#include <pcmcia/ds.h>
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#include "cs_internal.h"
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#define to_socket(_dev) container_of(_dev, struct pcmcia_socket, dev)
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static ssize_t pccard_show_type(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct pcmcia_socket *s = to_socket(dev);
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if (!(s->state & SOCKET_PRESENT))
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return -ENODEV;
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if (s->state & SOCKET_CARDBUS)
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return sprintf(buf, "32-bit\n");
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return sprintf(buf, "16-bit\n");
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}
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static DEVICE_ATTR(card_type, 0444, pccard_show_type, NULL);
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static ssize_t pccard_show_voltage(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct pcmcia_socket *s = to_socket(dev);
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if (!(s->state & SOCKET_PRESENT))
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return -ENODEV;
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if (s->socket.Vcc)
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return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10,
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s->socket.Vcc % 10);
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return sprintf(buf, "X.XV\n");
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}
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static DEVICE_ATTR(card_voltage, 0444, pccard_show_voltage, NULL);
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static ssize_t pccard_show_vpp(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct pcmcia_socket *s = to_socket(dev);
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if (!(s->state & SOCKET_PRESENT))
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return -ENODEV;
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return sprintf(buf, "%d.%dV\n", s->socket.Vpp / 10, s->socket.Vpp % 10);
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}
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static DEVICE_ATTR(card_vpp, 0444, pccard_show_vpp, NULL);
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static ssize_t pccard_show_vcc(struct device *dev, struct device_attribute *attr,
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char *buf)
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{
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struct pcmcia_socket *s = to_socket(dev);
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if (!(s->state & SOCKET_PRESENT))
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return -ENODEV;
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return sprintf(buf, "%d.%dV\n", s->socket.Vcc / 10, s->socket.Vcc % 10);
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}
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static DEVICE_ATTR(card_vcc, 0444, pccard_show_vcc, NULL);
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static ssize_t pccard_store_insert(struct device *dev, struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct pcmcia_socket *s = to_socket(dev);
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if (!count)
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return -EINVAL;
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pcmcia_parse_uevents(s, PCMCIA_UEVENT_INSERT);
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return count;
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}
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static DEVICE_ATTR(card_insert, 0200, NULL, pccard_store_insert);
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static ssize_t pccard_show_card_pm_state(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pcmcia_socket *s = to_socket(dev);
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return sprintf(buf, "%s\n", s->state & SOCKET_SUSPEND ? "off" : "on");
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}
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static ssize_t pccard_store_card_pm_state(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct pcmcia_socket *s = to_socket(dev);
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ssize_t ret = count;
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if (!count)
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return -EINVAL;
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if (!strncmp(buf, "off", 3))
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pcmcia_parse_uevents(s, PCMCIA_UEVENT_SUSPEND);
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else {
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if (!strncmp(buf, "on", 2))
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pcmcia_parse_uevents(s, PCMCIA_UEVENT_RESUME);
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else
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ret = -EINVAL;
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}
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return ret;
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}
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static DEVICE_ATTR(card_pm_state, 0644, pccard_show_card_pm_state, pccard_store_card_pm_state);
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static ssize_t pccard_store_eject(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct pcmcia_socket *s = to_socket(dev);
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if (!count)
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return -EINVAL;
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pcmcia_parse_uevents(s, PCMCIA_UEVENT_EJECT);
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return count;
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}
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static DEVICE_ATTR(card_eject, 0200, NULL, pccard_store_eject);
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static ssize_t pccard_show_irq_mask(struct device *dev,
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struct device_attribute *attr,
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char *buf)
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{
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struct pcmcia_socket *s = to_socket(dev);
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return sprintf(buf, "0x%04x\n", s->irq_mask);
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}
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static ssize_t pccard_store_irq_mask(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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ssize_t ret;
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struct pcmcia_socket *s = to_socket(dev);
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u32 mask;
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if (!count)
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return -EINVAL;
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ret = sscanf(buf, "0x%x\n", &mask);
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if (ret == 1) {
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mutex_lock(&s->ops_mutex);
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s->irq_mask &= mask;
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mutex_unlock(&s->ops_mutex);
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ret = 0;
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}
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return ret ? ret : count;
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}
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static DEVICE_ATTR(card_irq_mask, 0600, pccard_show_irq_mask, pccard_store_irq_mask);
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static ssize_t pccard_show_resource(struct device *dev,
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struct device_attribute *attr, char *buf)
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{
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struct pcmcia_socket *s = to_socket(dev);
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return sprintf(buf, "%s\n", s->resource_setup_done ? "yes" : "no");
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}
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static ssize_t pccard_store_resource(struct device *dev,
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struct device_attribute *attr,
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const char *buf, size_t count)
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{
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struct pcmcia_socket *s = to_socket(dev);
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if (!count)
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return -EINVAL;
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mutex_lock(&s->ops_mutex);
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if (!s->resource_setup_done)
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s->resource_setup_done = 1;
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mutex_unlock(&s->ops_mutex);
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pcmcia_parse_uevents(s, PCMCIA_UEVENT_REQUERY);
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return count;
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}
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static DEVICE_ATTR(available_resources_setup_done, 0600, pccard_show_resource, pccard_store_resource);
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static struct attribute *pccard_socket_attributes[] = {
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&dev_attr_card_type.attr,
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&dev_attr_card_voltage.attr,
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&dev_attr_card_vpp.attr,
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&dev_attr_card_vcc.attr,
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&dev_attr_card_insert.attr,
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&dev_attr_card_pm_state.attr,
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&dev_attr_card_eject.attr,
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&dev_attr_card_irq_mask.attr,
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&dev_attr_available_resources_setup_done.attr,
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NULL,
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};
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static const struct attribute_group socket_attrs = {
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.attrs = pccard_socket_attributes,
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};
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int pccard_sysfs_add_socket(struct device *dev)
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{
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return sysfs_create_group(&dev->kobj, &socket_attrs);
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}
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void pccard_sysfs_remove_socket(struct device *dev)
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{
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sysfs_remove_group(&dev->kobj, &socket_attrs);
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}
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