提交 3cb2c39d 编写于 作者: P Patrick Boettcher 提交者: Mauro Carvalho Chehab

V4L/DVB (7073): DiB7070: Reception quality improved

Removing two bugs to improve sensitivity for DiB7070 and Dib7000P with MT2266.
Signed-off-by: NPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@infradead.org>
上级 c52344fd
...@@ -781,6 +781,8 @@ static struct dib7000p_config dib7070p_dib7000p_config = { ...@@ -781,6 +781,8 @@ static struct dib7000p_config dib7070p_dib7000p_config = {
.agc_config_count = 1, .agc_config_count = 1,
.agc = &dib7070_agc_config, .agc = &dib7070_agc_config,
.bw = &dib7070_bw_config_12_mhz, .bw = &dib7070_bw_config_12_mhz,
.tuner_is_baseband = 1,
.spur_protect = 1,
.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS, .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES, .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
...@@ -820,6 +822,8 @@ static struct dib7000p_config stk7070pd_dib7000p_config[2] = { ...@@ -820,6 +822,8 @@ static struct dib7000p_config stk7070pd_dib7000p_config[2] = {
.agc_config_count = 1, .agc_config_count = 1,
.agc = &dib7070_agc_config, .agc = &dib7070_agc_config,
.bw = &dib7070_bw_config_12_mhz, .bw = &dib7070_bw_config_12_mhz,
.tuner_is_baseband = 1,
.spur_protect = 1,
.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS, .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES, .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
...@@ -832,6 +836,8 @@ static struct dib7000p_config stk7070pd_dib7000p_config[2] = { ...@@ -832,6 +836,8 @@ static struct dib7000p_config stk7070pd_dib7000p_config[2] = {
.agc_config_count = 1, .agc_config_count = 1,
.agc = &dib7070_agc_config, .agc = &dib7070_agc_config,
.bw = &dib7070_bw_config_12_mhz, .bw = &dib7070_bw_config_12_mhz,
.tuner_is_baseband = 1,
.spur_protect = 1,
.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS, .gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,
.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES, .gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
......
...@@ -434,9 +434,14 @@ static u16 dib0070_p1f_defaults[] = ...@@ -434,9 +434,14 @@ static u16 dib0070_p1f_defaults[] =
0, 0,
}; };
static void dib0070_wbd_calibration(struct dib0070_state *state) static void dib0070_wbd_calibration(struct dvb_frontend *fe)
{ {
u16 wbd_offs; u16 wbd_offs;
struct dib0070_state *state = fe->tuner_priv;
if (state->cfg->sleep)
state->cfg->sleep(fe, 0);
dib0070_write_reg(state, 0x0f, 0x6d81); dib0070_write_reg(state, 0x0f, 0x6d81);
dib0070_write_reg(state, 0x20, 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001); dib0070_write_reg(state, 0x20, 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001);
msleep(9); msleep(9);
...@@ -444,6 +449,10 @@ static void dib0070_wbd_calibration(struct dib0070_state *state) ...@@ -444,6 +449,10 @@ static void dib0070_wbd_calibration(struct dib0070_state *state)
dib0070_write_reg(state, 0x20, 0); dib0070_write_reg(state, 0x20, 0);
state->wbd_ff_offset = ((wbd_offs * 8 * 18 / 33 + 1) / 2); state->wbd_ff_offset = ((wbd_offs * 8 * 18 / 33 + 1) / 2);
dprintk( "WBDStart = %d (Vargen) - FF = %hd", (u32) wbd_offs * 1800/1024, state->wbd_ff_offset); dprintk( "WBDStart = %d (Vargen) - FF = %hd", (u32) wbd_offs * 1800/1024, state->wbd_ff_offset);
if (state->cfg->sleep)
state->cfg->sleep(fe, 1);
} }
u16 dib0070_wbd_offset(struct dvb_frontend *fe) u16 dib0070_wbd_offset(struct dvb_frontend *fe)
...@@ -560,7 +569,7 @@ struct dvb_frontend * dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter ...@@ -560,7 +569,7 @@ struct dvb_frontend * dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter
if (dib0070_reset(state) != 0) if (dib0070_reset(state) != 0)
goto free_mem; goto free_mem;
dib0070_wbd_calibration(state); dib0070_wbd_calibration(fe);
printk(KERN_INFO "DiB0070: successfully identified\n"); printk(KERN_INFO "DiB0070: successfully identified\n");
memcpy(&fe->ops.tuner_ops, &dib0070_ops, sizeof(struct dvb_tuner_ops)); memcpy(&fe->ops.tuner_ops, &dib0070_ops, sizeof(struct dvb_tuner_ops));
......
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