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staging/easycap: wait_i2c should be static

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wait_i2c is only used from easycap_low.c
so remove it from the easycap.h and mark it static

Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tomas Winkler 2011-03-06 00:55:20 +02:00 committed by Greg Kroah-Hartman
parent 4495c15f29
commit fd49b78798
2 changed files with 30 additions and 32 deletions
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1
drivers/staging/easycap/easycap.h
View file

@ -558,7 +558,6 @@ int set_resolution(struct usb_device *,
int read_saa(struct usb_device *, u16);
int read_stk(struct usb_device *, u32);
int write_saa(struct usb_device *, u16, u16);
int wait_i2c(struct usb_device *);
int write_000(struct usb_device *, u16, u16);
int start_100(struct usb_device *);
int stop_100(struct usb_device *);

61
drivers/staging/easycap/easycap_low.c
View file

@ -323,7 +323,36 @@ static int regset(struct usb_device *pusb_device, u16 index, u16 value)
return rc;
}
/*****************************************************************************/
/*--------------------------------------------------------------------------*/
/*
* FUNCTION wait_i2c() RETURNS 0 ON SUCCESS
*/
/*--------------------------------------------------------------------------*/
static int wait_i2c(struct usb_device *p)
{
u16 get0;
u8 igot;
const int max = 2;
int k;
if (!p)
return -ENODEV;
for (k = 0; k < max; k++) {
GET(p, 0x0201, &igot); get0 = igot;
switch (get0) {
case 0x04:
case 0x01:
return 0;
case 0x00:
msleep(20);
continue;
default:
return get0 - 1;
}
}
return -1;
}
/****************************************************************************/
int confirm_resolution(struct usb_device *p)
@ -935,36 +964,6 @@ int stop_100(struct usb_device *p)
return 0;
}
/****************************************************************************/
/*--------------------------------------------------------------------------*/
/*
* FUNCTION wait_i2c() RETURNS 0 ON SUCCESS
*/
/*--------------------------------------------------------------------------*/
int wait_i2c(struct usb_device *p)
{
u16 get0;
u8 igot;
const int max = 2;
int k;
if (!p)
return -ENODEV;
for (k = 0; k < max; k++) {
GET(p, 0x0201, &igot); get0 = igot;
switch (get0) {
case 0x04:
case 0x01:
return 0;
case 0x00:
msleep(20);
continue;
default:
return get0 - 1;
}
}
return -1;
}
/****************************************************************************/
/*****************************************************************************/
int wakeup_device(struct usb_device *pusb_device)