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[media] cx24120: More tidying in cx24120_init 

Remove reg1 by refactoring for loops
Change ret into an int as it's only used for return values now,
and remove reset_result by using ret instead.

Signed-off-by: Jemma Denson <jdenson@gmail.com>
Signed-off-by: Patrick Boettcher <patrick.boettcher@posteo.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
This commit is contained in:
Jemma Denson 2015-05-08 17:36:19 -03:00 committed by Mauro Carvalho Chehab
parent 1668797d17
commit 4133601c31
1 changed files with 12 additions and 14 deletions
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26
drivers/media/dvb-frontends/cx24120.c
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@ -1181,10 +1181,8 @@ int cx24120_init(struct dvb_frontend *fe)
struct dtv_frontend_properties *c = &fe->dtv_property_cache;
struct cx24120_state *state = fe->demodulator_priv;
struct cx24120_cmd cmd;
u8 ret, reg, reg1;
int reset_result;
int i;
u8 reg;
int ret, i;
unsigned char vers[4];
if (state->cold_init)
@ -1211,15 +1209,15 @@ int cx24120_init(struct dvb_frontend *fe)
cx24120_writereg(state, 0xf3, 0x03);
cx24120_writereg(state, 0xf4, 0x44);
for (reg1 = 0xf0; reg1 < 0xf3; reg1++) {
cx24120_writereg(state, reg1, 0x04);
cx24120_writereg(state, reg1 - 10, 0x02);
for (i = 0; i < 3; i++) {
cx24120_writereg(state, 0xf0 + i, 0x04);
cx24120_writereg(state, 0xe6 + i, 0x02);
}
cx24120_writereg(state, 0xea, (reg | 0x01));
for (reg1 = 0xc5; reg1 < 0xcb; reg1 += 2) {
cx24120_writereg(state, reg1, 0x00);
cx24120_writereg(state, reg1 + 1, 0x00);
for (i = 0; i < 6; i += 2) {
cx24120_writereg(state, 0xc5 + i, 0x00);
cx24120_writereg(state, 0xc6 + i, 0x00);
}
cx24120_writereg(state, 0xe4, 0x03);
@ -1266,15 +1264,15 @@ int cx24120_init(struct dvb_frontend *fe)
reg = cx24120_readreg(state, 0xe1);
if (reg == fw->data[fw->size - 1]) {
dev_dbg(&state->i2c->dev, "Firmware uploaded successfully\n");
reset_result = 0;
ret = 0;
} else {
err("Firmware upload failed. Last byte returned=0x%x\n", ret);
reset_result = -EREMOTEIO;
ret = -EREMOTEIO;
}
cx24120_writereg(state, 0xdc, 0x00);
release_firmware(fw);
if (reset_result != 0)
return reset_result;
if (ret != 0)
return ret;
/* Start tuner */
cmd.id = CMD_START_TUNER;