diff options
author | Antti Palosaari <crope@iki.fi> | 2013-02-26 20:57:01 -0300 |
---|---|---|
committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2013-03-21 18:57:54 -0300 |
commit | 42432b3ce89eaf817284f0c6ff81dfd7b4ed35b3 (patch) | |
tree | 0e133a271a6310c341c1cc200aa38995e322f01b /drivers/media/tuners/it913x.c | |
parent | 8c1285a28084b5fa07a7842dd72a561f5c3b913e (diff) |
[media] it913x: rename functions and variables
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media/tuners/it913x.c')
-rw-r--r-- | drivers/media/tuners/it913x.c | 72 |
1 files changed, 38 insertions, 34 deletions
diff --git a/drivers/media/tuners/it913x.c b/drivers/media/tuners/it913x.c index 6eb3afa32db6..82cc053bc998 100644 --- a/drivers/media/tuners/it913x.c +++ b/drivers/media/tuners/it913x.c @@ -22,7 +22,7 @@ #include "it913x_priv.h" -struct it913x_fe_state { +struct it913x_state { struct dvb_frontend frontend; struct i2c_adapter *i2c_adap; struct ite_config *config; @@ -43,7 +43,8 @@ struct it913x_fe_state { u32 ucblocks; }; -static int it913x_read_reg(struct it913x_fe_state *state, +/* read multiple registers */ +static int it913x_rd_regs(struct it913x_state *state, u32 reg, u8 *data, u8 count) { int ret; @@ -64,15 +65,17 @@ static int it913x_read_reg(struct it913x_fe_state *state, return ret; } -static int it913x_read_reg_u8(struct it913x_fe_state *state, u32 reg) +/* read single register */ +static int it913x_rd_reg(struct it913x_state *state, u32 reg) { int ret; u8 b[1]; - ret = it913x_read_reg(state, reg, &b[0], sizeof(b)); + ret = it913x_rd_regs(state, reg, &b[0], sizeof(b)); return (ret < 0) ? -ENODEV : b[0]; } -static int it913x_write(struct it913x_fe_state *state, +/* write multiple registers */ +static int it913x_wr_regs(struct it913x_state *state, u8 pro, u32 reg, u8 buf[], u8 count) { u8 b[256]; @@ -97,7 +100,8 @@ static int it913x_write(struct it913x_fe_state *state, return 0; } -static int it913x_write_reg(struct it913x_fe_state *state, +/* write single register */ +static int it913x_wr_reg(struct it913x_state *state, u8 pro, u32 reg, u32 data) { int ret; @@ -118,12 +122,12 @@ static int it913x_write_reg(struct it913x_fe_state *state, else s = 0; - ret = it913x_write(state, pro, reg, &b[s], sizeof(b) - s); + ret = it913x_wr_regs(state, pro, reg, &b[s], sizeof(b) - s); return ret; } -static int it913x_fe_script_loader(struct it913x_fe_state *state, +static int it913x_script_loader(struct it913x_state *state, struct it913xset *loadscript) { int ret, i; @@ -133,7 +137,7 @@ static int it913x_fe_script_loader(struct it913x_fe_state *state, for (i = 0; i < 1000; ++i) { if (loadscript[i].pro == 0xff) break; - ret = it913x_write(state, loadscript[i].pro, + ret = it913x_wr_regs(state, loadscript[i].pro, loadscript[i].address, loadscript[i].reg, loadscript[i].count); if (ret < 0) @@ -142,9 +146,9 @@ static int it913x_fe_script_loader(struct it913x_fe_state *state, return 0; } -static int it913x_init_tuner(struct dvb_frontend *fe) +static int it913x_init(struct dvb_frontend *fe) { - struct it913x_fe_state *state = fe->tuner_priv; + struct it913x_state *state = fe->tuner_priv; int ret, i, reg; struct it913xset *set_lna; u8 val, nv_val; @@ -153,9 +157,9 @@ static int it913x_init_tuner(struct dvb_frontend *fe) /* v1 or v2 tuner script */ if (state->config->chip_ver > 1) - ret = it913x_fe_script_loader(state, it9135_v2); + ret = it913x_script_loader(state, it9135_v2); else - ret = it913x_fe_script_loader(state, it9135_v1); + ret = it913x_script_loader(state, it9135_v1); if (ret < 0) return ret; @@ -182,19 +186,19 @@ static int it913x_init_tuner(struct dvb_frontend *fe) } pr_info("Tuner LNA type :%02x\n", state->tuner_type); - ret = it913x_fe_script_loader(state, set_lna); + ret = it913x_script_loader(state, set_lna); if (ret < 0) return ret; if (state->config->chip_ver == 2) { - ret = it913x_write_reg(state, PRO_DMOD, TRIGGER_OFSM, 0x1); - ret |= it913x_write_reg(state, PRO_LINK, PADODPU, 0x0); - ret |= it913x_write_reg(state, PRO_LINK, AGC_O_D, 0x0); + ret = it913x_wr_reg(state, PRO_DMOD, TRIGGER_OFSM, 0x1); + ret |= it913x_wr_reg(state, PRO_LINK, PADODPU, 0x0); + ret |= it913x_wr_reg(state, PRO_LINK, AGC_O_D, 0x0); } if (ret < 0) return -ENODEV; - reg = it913x_read_reg_u8(state, 0xec86); + reg = it913x_rd_reg(state, 0xec86); switch (reg) { case 0: state->tun_clk_mode = reg; @@ -213,7 +217,7 @@ static int it913x_init_tuner(struct dvb_frontend *fe) break; } - reg = it913x_read_reg_u8(state, 0xed03); + reg = it913x_rd_reg(state, 0xed03); if (reg < 0) return -ENODEV; @@ -223,7 +227,7 @@ static int it913x_init_tuner(struct dvb_frontend *fe) nv_val = 2; for (i = 0; i < 50; i++) { - ret = it913x_read_reg(state, 0xed23, &b[0], sizeof(b)); + ret = it913x_rd_regs(state, 0xed23, &b[0], sizeof(b)); reg = (b[1] << 8) + b[0]; if (reg > 0) break; @@ -239,7 +243,7 @@ static int it913x_init_tuner(struct dvb_frontend *fe) msleep(50); else { for (i = 0; i < 50; i++) { - reg = it913x_read_reg_u8(state, 0xec82); + reg = it913x_rd_reg(state, 0xec82); if (reg > 0) break; if (reg < 0) @@ -248,12 +252,12 @@ static int it913x_init_tuner(struct dvb_frontend *fe) } } - return it913x_write_reg(state, PRO_DMOD, 0xed81, val); + return it913x_wr_reg(state, PRO_DMOD, 0xed81, val); } -static int it9137_set_tuner(struct dvb_frontend *fe) +static int it9137_set_params(struct dvb_frontend *fe) { - struct it913x_fe_state *state = fe->tuner_priv; + struct it913x_state *state = fe->tuner_priv; struct it913xset *set_tuner = set_it9137_template; struct dtv_frontend_properties *p = &fe->dtv_property_cache; u32 bandwidth = p->bandwidth_hz; @@ -358,7 +362,7 @@ static int it9137_set_tuner(struct dvb_frontend *fe) } else return -EINVAL; - reg = it913x_read_reg_u8(state, 0xed81); + reg = it913x_rd_reg(state, 0xed81); iqik_m_cal = (u16)reg * n_div; if (reg < 0x20) { @@ -396,7 +400,7 @@ static int it9137_set_tuner(struct dvb_frontend *fe) pr_debug("low Frequency = %04x\n", freq); - ret = it913x_fe_script_loader(state, set_tuner); + ret = it913x_script_loader(state, set_tuner); return (ret < 0) ? -ENODEV : 0; } @@ -405,10 +409,10 @@ static int it9137_set_tuner(struct dvb_frontend *fe) /* Power Up Tuner on -> Frontend suspend off -> Tuner clk on */ /* Power Down Frontend suspend on -> Tuner clk off -> Tuner off */ -static int it913x_fe_sleep(struct dvb_frontend *fe) +static int it913x_sleep(struct dvb_frontend *fe) { - struct it913x_fe_state *state = fe->tuner_priv; - return it913x_fe_script_loader(state, it9137_tuner_off); + struct it913x_state *state = fe->tuner_priv; + return it913x_script_loader(state, it9137_tuner_off); } static int it913x_release(struct dvb_frontend *fe) @@ -426,19 +430,19 @@ static const struct dvb_tuner_ops it913x_tuner_ops = { .release = it913x_release, - .init = it913x_init_tuner, - .sleep = it913x_fe_sleep, - .set_params = it9137_set_tuner, + .init = it913x_init, + .sleep = it913x_sleep, + .set_params = it9137_set_params, }; struct dvb_frontend *it913x_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c_adap, u8 i2c_addr, struct ite_config *config) { - struct it913x_fe_state *state = NULL; + struct it913x_state *state = NULL; int ret; /* allocate memory for the internal state */ - state = kzalloc(sizeof(struct it913x_fe_state), GFP_KERNEL); + state = kzalloc(sizeof(struct it913x_state), GFP_KERNEL); if (state == NULL) return NULL; if (config == NULL) |