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Commit 3cb2c39d authored by Patrick Boettcher's avatar Patrick Boettcher Committed by Mauro Carvalho Chehab
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V4L/DVB (7073): DiB7070: Reception quality improved 



Removing two bugs to improve sensitivity for DiB7070 and Dib7000P with MT2266.

Signed-off-by: default avatarPatrick Boettcher <pb@linuxtv.org>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@infradead.org>
parent c52344fd

drivers/media/dvb/dvb-usb/dib0700_devices.c

+6 −0
Original line number Diff line number Diff line
@@ -781,6 +781,8 @@ static struct dib7000p_config dib7070p_dib7000p_config = { 
	.agc_config_count = 1,

	.agc = &dib7070_agc_config,

	.bw  = &dib7070_bw_config_12_mhz,

	.tuner_is_baseband = 1,

	.spur_protect = 1,



	.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,

	.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
@@ -820,6 +822,8 @@ static struct dib7000p_config stk7070pd_dib7000p_config[2] = { 
		.agc_config_count = 1,

		.agc = &dib7070_agc_config,

		.bw  = &dib7070_bw_config_12_mhz,

		.tuner_is_baseband = 1,

		.spur_protect = 1,



		.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,

		.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,
@@ -832,6 +836,8 @@ static struct dib7000p_config stk7070pd_dib7000p_config[2] = { 
		.agc_config_count = 1,

		.agc = &dib7070_agc_config,

		.bw  = &dib7070_bw_config_12_mhz,

		.tuner_is_baseband = 1,

		.spur_protect = 1,



		.gpio_dir = DIB7000P_GPIO_DEFAULT_DIRECTIONS,

		.gpio_val = DIB7000P_GPIO_DEFAULT_VALUES,

drivers/media/dvb/frontends/dib0070.c

+11 −2
Original line number Diff line number Diff line
@@ -434,9 +434,14 @@ static u16 dib0070_p1f_defaults[] = 
	0,

};



static void dib0070_wbd_calibration(struct dib0070_state *state)

static void dib0070_wbd_calibration(struct dvb_frontend *fe)

{

	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, 0x20, 0x0040 | 0x0020 | 0x0010 | 0x0008 | 0x0002 | 0x0001);

	msleep(9);
@@ -444,6 +449,10 @@ static void dib0070_wbd_calibration(struct dib0070_state *state) 
	dib0070_write_reg(state, 0x20, 0);

	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);



	if (state->cfg->sleep)

		state->cfg->sleep(fe, 1);



}



u16 dib0070_wbd_offset(struct dvb_frontend *fe)
@@ -560,7 +569,7 @@ struct dvb_frontend * dib0070_attach(struct dvb_frontend *fe, struct i2c_adapter 
	if (dib0070_reset(state) != 0)

		goto free_mem;



	dib0070_wbd_calibration(state);

	dib0070_wbd_calibration(fe);



	printk(KERN_INFO "DiB0070: successfully identified\n");

	memcpy(&fe->ops.tuner_ops, &dib0070_ops, sizeof(struct dvb_tuner_ops));