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V4L/DVB (3708a): Clean up some cruft in or51132 frontend 

There is some old code in the or51133 firmware loading function that
has no effect.  Left a comment to in case it helps someone trying
to reverse engineer the chip.

Signed-off-by: Trent Piepho <xyzzy@speakeasy.org>
Signed-off-by: Andrew de Quincey <adq_dvb@lidskialf.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Trent Piepho 2006-04-02 20:40:33 -03:00 committed by Mauro Carvalho Chehab
parent dfd8317d33
commit 0ead09180a
1 changed files with 7 additions and 10 deletions
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17
drivers/media/dvb/frontends/or51132.c
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@ -106,9 +106,8 @@ static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware
{
struct or51132_state* state = fe->demodulator_priv;
static u8 run_buf[] = {0x7F,0x01};
static u8 get_ver_buf[] = {0x04,0x00,0x30,0x00,0x00};
u8 rec_buf[14];
u8 cmd_buf[14];
u8 rec_buf[8];
u8 cmd_buf[3];
u32 firmwareAsize, firmwareBsize;
int i,ret;
@ -157,7 +156,6 @@ static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware
cmd_buf[0] = 0x10;
cmd_buf[1] = 0x10;
cmd_buf[2] = 0x00;
cmd_buf[3] = 0x00;
msleep(20); /* 20ms */
if ((ret = i2c_writebytes(state,state->config->demod_address,
cmd_buf,3))) {
@ -167,8 +165,6 @@ static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware
cmd_buf[0] = 0x04;
cmd_buf[1] = 0x17;
cmd_buf[2] = 0x00;
cmd_buf[3] = 0x00;
msleep(20); /* 20ms */
if ((ret = i2c_writebytes(state,state->config->demod_address,
cmd_buf,2))) {
@ -178,8 +174,6 @@ static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware
cmd_buf[0] = 0x00;
cmd_buf[1] = 0x00;
cmd_buf[2] = 0x00;
cmd_buf[3] = 0x00;
msleep(20); /* 20ms */
if ((ret = i2c_writebytes(state,state->config->demod_address,
cmd_buf,2))) {
@ -189,7 +183,11 @@ static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware
for(i=0;i<4;i++) {
msleep(20); /* 20ms */
get_ver_buf[4] = i+1;
/* One apon a time, this command might have had something
to do with getting the firmware version, but it's
not used anymore:
{0x04,0x00,0x30,0x00,i+1} */
/* Read 8 bytes, two bytes at a time */
if ((ret = i2c_readbytes(state,state->config->demod_address,
&rec_buf[i*2],2))) {
printk(KERN_WARNING
@ -208,7 +206,6 @@ static int or51132_load_firmware (struct dvb_frontend* fe, const struct firmware
cmd_buf[0] = 0x10;
cmd_buf[1] = 0x00;
cmd_buf[2] = 0x00;
cmd_buf[3] = 0x00;
msleep(20); /* 20ms */
if ((ret = i2c_writebytes(state,state->config->demod_address,
cmd_buf,3))) {