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staging/easycap: style changes in easycap_low.c

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remove uneedet brackets in ifs and switches
drop pointless castings
other small fixes

Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Reviewed-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tomas Winkler 2011-02-10 14:55:24 +02:00 committed by Greg Kroah-Hartman
parent ccb6d2e5dc
commit 3e17e39e11
1 changed files with 37 additions and 52 deletions
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87
drivers/staging/easycap/easycap_low.c
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@ -145,7 +145,7 @@ static const struct stk1160config stk1160configNTSC[256] = {
{0xFFF, 0xFFFF}
};
/*--------------------------------------------------------------------------*/
static const struct saa7113config{
static const struct saa7113config {
int reg;
int set;
} saa7113configPAL[256] = {
@ -600,10 +600,7 @@ int merit_saa(struct usb_device *p)
if (NULL == p)
return -ENODEV;
rc = read_saa(p, 0x1F);
if ((0 > rc) || (0x02 & rc))
return 1 ;
else
return 0;
return ((0 > rc) || (0x02 & rc)) ? 1 : 0;
}
/****************************************************************************/
int ready_saa(struct usb_device *p)
@ -785,28 +782,28 @@ select_input(struct usb_device *p, int input, int mode)
switch (input) {
case 0:
case 1: {
if (0 != write_saa(p, 0x02, 0x80)) {
if (0 != write_saa(p, 0x02, 0x80))
SAY("ERROR: failed to set SAA register 0x02 "
"for input %i\n", input);
}
SET(p, 0x0000, 0x0098);
SET(p, 0x0002, 0x0078);
break;
}
case 2: {
if (0 != write_saa(p, 0x02, 0x80)) {
if (0 != write_saa(p, 0x02, 0x80))
SAY("ERROR: failed to set SAA register 0x02 "
"for input %i\n", input);
}
SET(p, 0x0000, 0x0090);
SET(p, 0x0002, 0x0078);
break;
}
case 3: {
if (0 != write_saa(p, 0x02, 0x80)) {
if (0 != write_saa(p, 0x02, 0x80))
SAY("ERROR: failed to set SAA register 0x02 "
" for input %i\n", input);
}
SET(p, 0x0000, 0x0088);
SET(p, 0x0002, 0x0078);
break;
@ -825,48 +822,48 @@ select_input(struct usb_device *p, int input, int mode)
mode = 7;
switch (mode) {
case 7: {
if (0 != write_saa(p, 0x02, 0x87)) {
if (0 != write_saa(p, 0x02, 0x87))
SAY("ERROR: failed to set SAA register 0x02 "
"for input %i\n", input);
}
if (0 != write_saa(p, 0x05, 0xFF)) {
if (0 != write_saa(p, 0x05, 0xFF))
SAY("ERROR: failed to set SAA register 0x05 "
"for input %i\n", input);
}
break;
}
case 9: {
if (0 != write_saa(p, 0x02, 0x89)) {
if (0 != write_saa(p, 0x02, 0x89))
SAY("ERROR: failed to set SAA register 0x02 "
"for input %i\n", input);
}
if (0 != write_saa(p, 0x05, 0x00)) {
if (0 != write_saa(p, 0x05, 0x00))
SAY("ERROR: failed to set SAA register 0x05 "
"for input %i\n", input);
}
break;
}
default: {
default:
SAY("MISTAKE: bad mode: %i\n", mode);
return -1;
}
}
if (0 != write_saa(p, 0x04, 0x00)) {
if (0 != write_saa(p, 0x04, 0x00))
SAY("ERROR: failed to set SAA register 0x04 "
"for input %i\n", input);
}
if (0 != write_saa(p, 0x09, 0x80)) {
if (0 != write_saa(p, 0x09, 0x80))
SAY("ERROR: failed to set SAA register 0x09 "
"for input %i\n", input);
}
SET(p, 0x0002, 0x0093);
break;
}
default: {
default:
SAY("ERROR: bad input: %i\n", input);
return -1;
}
}
ir = read_stk(p, 0x00);
JOT(8, "STK register 0x00 has 0x%02X\n", ir);
ir = read_saa(p, 0x02);
@ -952,22 +949,20 @@ int wait_i2c(struct usb_device *p)
if (NULL == p)
return -ENODEV;
for (k = 0; k < max; k++) {
GET(p, 0x0201, &igot); get0 = igot;
switch (get0) {
case 0x04:
case 0x01: {
case 0x01:
return 0;
}
case 0x00: {
case 0x00:
msleep(20);
continue;
}
default: {
default:
return get0 - 1;
}
}
}
return -1;
}
/****************************************************************************/
@ -977,20 +972,17 @@ int wakeup_device(struct usb_device *pusb_device)
if (!pusb_device)
return -ENODEV;
return usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0),
(u8)USB_REQ_SET_FEATURE,
USB_REQ_SET_FEATURE,
USB_DIR_OUT | USB_TYPE_STANDARD | USB_RECIP_DEVICE,
USB_DEVICE_REMOTE_WAKEUP,
(u16)0,
(void *) NULL,
(u16)0,
(int)50000);
0, NULL, 0, 50000);
}
/*****************************************************************************/
int
audio_setup(struct easycap *peasycap)
{
struct usb_device *pusb_device;
unsigned char buffer[1];
u8 buffer[1];
int rc, id1, id2;
/*---------------------------------------------------------------------------*/
/*
@ -1027,27 +1019,20 @@ audio_setup(struct easycap *peasycap)
buffer[0] = 0x01;
rc = usb_control_msg(pusb_device, usb_sndctrlpipe(pusb_device, 0),
(u8)request,
(u8)requesttype,
(u16)value_unmute,
(u16)index,
(void *)&buffer[0],
(u16)length,
(int)50000);
request, requesttype, value_unmute,
index, &buffer[0], length, 50000);
JOT(8, "0x%02X=buffer\n", *((u8 *) &buffer[0]));
JOT(8, "0x%02X=buffer\n", buffer[0]);
if (rc != (int)length) {
switch (rc) {
case -EPIPE: {
case -EPIPE:
SAY("usb_control_msg returned -EPIPE\n");
break;
}
default: {
default:
SAY("ERROR: usb_control_msg returned %i\n", rc);
break;
}
}
}
/*--------------------------------------------------------------------------*/
/*
* REGISTER 500: SETTING VALUE TO 0x0094 RESETS AUDIO CONFIGURATION ???