Revision 030b655b062fe5190fc490e0091ea50307d7a86f authored by Risto Suominen on 25 August 2008, 06:04:23 UTC, committed by Takashi Iwai on 02 October 2008, 10:50:37 UTC
Correct headphone detection for 1st generation iMac G3 Slot-loading (Screamer). This patch fixes the regression in the recent snd-powermac which doesn't support some G3/G4 PowerMacs: http://lkml.org/lkml/2008/10/1/220 Signed-off-by: Risto Suominen <Risto.Suominen@gmail.com> Tested-by: Mariusz Kozlowski <m.kozlowski@tuxland.pl> Cc: stable@kernel.org Signed-off-by: Takashi Iwai <tiwai@suse.de>
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mnt_namespace.h
#ifndef _NAMESPACE_H_
#define _NAMESPACE_H_
#ifdef __KERNEL__
#include <linux/mount.h>
#include <linux/sched.h>
#include <linux/nsproxy.h>
#include <linux/seq_file.h>
struct mnt_namespace {
atomic_t count;
struct vfsmount * root;
struct list_head list;
wait_queue_head_t poll;
int event;
};
struct proc_mounts {
struct seq_file m; /* must be the first element */
struct mnt_namespace *ns;
struct path root;
int event;
};
extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
struct fs_struct *);
extern void __put_mnt_ns(struct mnt_namespace *ns);
static inline void put_mnt_ns(struct mnt_namespace *ns)
{
if (atomic_dec_and_lock(&ns->count, &vfsmount_lock))
/* releases vfsmount_lock */
__put_mnt_ns(ns);
}
static inline void exit_mnt_ns(struct task_struct *p)
{
struct mnt_namespace *ns = p->nsproxy->mnt_ns;
if (ns)
put_mnt_ns(ns);
}
static inline void get_mnt_ns(struct mnt_namespace *ns)
{
atomic_inc(&ns->count);
}
extern const struct seq_operations mounts_op;
extern const struct seq_operations mountinfo_op;
extern const struct seq_operations mountstats_op;
#endif
#endif
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