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[media] cx24120: Tidy cx24120_init

Use reg instead of ret for all calls to readreg, remove ret_EA
as it doesn't need to be a separate var anymore.

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 17:26:34 -03:00 committed by Mauro Carvalho Chehab
parent 92443cdb23
commit 1668797d17

View File

@ -1181,7 +1181,7 @@ 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, ret_EA, reg1;
u8 ret, reg, reg1;
int reset_result;
int i;
@ -1193,16 +1193,16 @@ int cx24120_init(struct dvb_frontend *fe)
/* ???? */
cx24120_writereg(state, 0xea, 0x00);
cx24120_test_rom(state);
ret = cx24120_readreg(state, 0xfb) & 0xfe;
cx24120_writereg(state, 0xfb, ret);
ret = cx24120_readreg(state, 0xfc) & 0xfe;
cx24120_writereg(state, 0xfc, ret);
reg = cx24120_readreg(state, 0xfb) & 0xfe;
cx24120_writereg(state, 0xfb, reg);
reg = cx24120_readreg(state, 0xfc) & 0xfe;
cx24120_writereg(state, 0xfc, reg);
cx24120_writereg(state, 0xc3, 0x04);
cx24120_writereg(state, 0xc4, 0x04);
cx24120_writereg(state, 0xce, 0x00);
cx24120_writereg(state, 0xcf, 0x00);
ret_EA = cx24120_readreg(state, 0xea) & 0xfe;
cx24120_writereg(state, 0xea, ret_EA);
reg = cx24120_readreg(state, 0xea) & 0xfe;
cx24120_writereg(state, 0xea, reg);
cx24120_writereg(state, 0xeb, 0x0c);
cx24120_writereg(state, 0xec, 0x06);
cx24120_writereg(state, 0xed, 0x05);
@ -1216,7 +1216,7 @@ int cx24120_init(struct dvb_frontend *fe)
cx24120_writereg(state, reg1 - 10, 0x02);
}
cx24120_writereg(state, 0xea, (ret_EA | 0x01));
cx24120_writereg(state, 0xea, (reg | 0x01));
for (reg1 = 0xc5; reg1 < 0xcb; reg1 += 2) {
cx24120_writereg(state, reg1, 0x00);
cx24120_writereg(state, reg1 + 1, 0x00);
@ -1244,8 +1244,8 @@ int cx24120_init(struct dvb_frontend *fe)
fw->data[fw->size - 1]); /* fw last byte */
cx24120_test_rom(state);
ret = cx24120_readreg(state, 0xfb) & 0xfe;
cx24120_writereg(state, 0xfb, ret);
reg = cx24120_readreg(state, 0xfb) & 0xfe;
cx24120_writereg(state, 0xfb, reg);
cx24120_writereg(state, 0xe0, 0x76);
cx24120_writereg(state, 0xf7, 0x81);
cx24120_writereg(state, 0xf8, 0x00);
@ -1253,18 +1253,18 @@ int cx24120_init(struct dvb_frontend *fe)
cx24120_writeregs(state, 0xfa, fw->data, (fw->size - 1), 0x00);
cx24120_writereg(state, 0xf7, 0xc0);
cx24120_writereg(state, 0xe0, 0x00);
ret = (fw->size - 2) & 0x00ff;
cx24120_writereg(state, 0xf8, ret);
ret = ((fw->size - 2) >> 8) & 0x00ff;
cx24120_writereg(state, 0xf9, ret);
reg = (fw->size - 2) & 0x00ff;
cx24120_writereg(state, 0xf8, reg);
reg = ((fw->size - 2) >> 8) & 0x00ff;
cx24120_writereg(state, 0xf9, reg);
cx24120_writereg(state, 0xf7, 0x00);
cx24120_writereg(state, 0xdc, 0x00);
cx24120_writereg(state, 0xdc, 0x07);
msleep(500);
/* Check final byte matches final byte of firmware */
ret = cx24120_readreg(state, 0xe1);
if (ret == fw->data[fw->size - 1]) {
reg = cx24120_readreg(state, 0xe1);
if (reg == fw->data[fw->size - 1]) {
dev_dbg(&state->i2c->dev, "Firmware uploaded successfully\n");
reset_result = 0;
} else {
@ -1316,8 +1316,8 @@ int cx24120_init(struct dvb_frontend *fe)
return -EREMOTEIO;
}
ret = cx24120_readreg(state, 0xba);
if (ret > 3) {
reg = cx24120_readreg(state, 0xba);
if (reg > 3) {
dev_dbg(&state->i2c->dev, "Reset-readreg 0xba: %x\n", ret);
err("Error initialising tuner!\n");
return -EREMOTEIO;