AcoSail/kernel_optimize_test
8
0
Fork 0
forked from luck/tmp_suning_uos_patched
Code Pull Requests Activity

V4L/DVB (6427): Some cleanups at tuner-xc2028 driver

Browse Source 
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Mauro Carvalho Chehab 2007-07-18 23:14:25 -03:00
parent 2e4160ca80
commit d4e7668104
1 changed files with 10 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

41
drivers/media/video/tuner-xc2028.c
View File

@ -314,28 +314,11 @@ static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
struct tuner *t = i2c_get_clientdata(c);
u32 div, offset = 0;
printk("xc3028: should set frequency %d kHz)\n", freq / 1000);
/* HACK: It seems that specific firmware need to be reloaded
when freq is changed */
struct xc2028_data *xc2028 = t->priv;
if (check_firmware(c, new_mode, bandwidth)<0)
return;
if(new_mode == T_DIGITAL_TV) {
switch(bandwidth) {
case BANDWIDTH_8_MHZ:
offset = 2750000;
break;
case BANDWIDTH_7_MHZ:
offset = 2750000;
break;
case BANDWIDTH_6_MHZ:
default:
printk(KERN_ERR "xc2028: bandwidth not implemented!\n");
}
}
div = (freq - offset + DIV/2)/DIV;
xc2028->firm_type=0;
/* Reset GPIO 1 */
if (t->tuner_callback) {
@ -345,17 +328,16 @@ static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
return;
}
msleep(10);
printk("xc3028: should set frequency %d kHz)\n", freq / 1000);
char *name;
if (check_firmware(c, new_mode, bandwidth)<0)
return;
rc = load_firmware(c,firmware_INIT1);
if(new_mode == T_DIGITAL_TV)
offset = 2750000;
if (t->std & V4L2_STD_MN)
name=firmware_MN;
else
name=firmware_DK;
div = (freq - offset + DIV/2)/DIV;
rc = load_firmware(c,name);
/* CMD= Set frequency */
send_seq(c, {0x00, 0x02, 0x00, 0x00});
if (t->tuner_callback) {
@ -366,8 +348,6 @@ static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
}
msleep(10);
// send_seq(c, {0x00, 0x00, 0x10, 0xd0, 0x00});
// msleep(100);
buf[0]= 0xff & (div>>24);
buf[1]= 0xff & (div>>16);
@ -383,7 +363,6 @@ static void generic_set_tv_freq(struct i2c_client *c, u32 freq /* in Hz */,
printk("divider= %02x %02x %02x %02x (freq=%d.%02d)\n",
buf[1],buf[2],buf[3],buf[4],
freq / 16, freq % 16 * 100 / 16);
// printk("signal=%d\n",xc2028_signal(c));
}