10 static u8 zd1301_demod_gain = 0x38;
12 MODULE_PARM_DESC(gain, "gain (value: 0x00 - 0x70, default: 0x38)");
71 		r6a50_val = 0x78;  in zd1301_demod_set_frontend()
74 		r6a50_val = 0x68;  in zd1301_demod_set_frontend()
77 		r6a50_val = 0x58;  in zd1301_demod_set_frontend()
84 	ret = zd1301_demod_wreg(dev, 0x6a60, 0x11);  in zd1301_demod_set_frontend()
87 	ret = zd1301_demod_wreg(dev, 0x6a47, 0x46);  in zd1301_demod_set_frontend()
90 	ret = zd1301_demod_wreg(dev, 0x6a48, 0x46);  in zd1301_demod_set_frontend()
93 	ret = zd1301_demod_wreg(dev, 0x6a4a, 0x15);  in zd1301_demod_set_frontend()
96 	ret = zd1301_demod_wreg(dev, 0x6a4b, 0x63);  in zd1301_demod_set_frontend()
99 	ret = zd1301_demod_wreg(dev, 0x6a5b, 0x99);  in zd1301_demod_set_frontend()
102 	ret = zd1301_demod_wreg(dev, 0x6a3b, 0x10);  in zd1301_demod_set_frontend()
105 	ret = zd1301_demod_wreg(dev, 0x6806, 0x01);  in zd1301_demod_set_frontend()
108 	ret = zd1301_demod_wreg(dev, 0x6a41, 0x08);  in zd1301_demod_set_frontend()
111 	ret = zd1301_demod_wreg(dev, 0x6a42, 0x46);  in zd1301_demod_set_frontend()
114 	ret = zd1301_demod_wreg(dev, 0x6a44, 0x14);  in zd1301_demod_set_frontend()
117 	ret = zd1301_demod_wreg(dev, 0x6a45, 0x67);  in zd1301_demod_set_frontend()
120 	ret = zd1301_demod_wreg(dev, 0x6a38, 0x00);  in zd1301_demod_set_frontend()
123 	ret = zd1301_demod_wreg(dev, 0x6a4c, 0x52);  in zd1301_demod_set_frontend()
126 	ret = zd1301_demod_wreg(dev, 0x6a49, 0x2a);  in zd1301_demod_set_frontend()
129 	ret = zd1301_demod_wreg(dev, 0x6840, 0x2e);  in zd1301_demod_set_frontend()
132 	ret = zd1301_demod_wreg(dev, 0x6a50, r6a50_val);  in zd1301_demod_set_frontend()
135 	ret = zd1301_demod_wreg(dev, 0x6a38, 0x07);  in zd1301_demod_set_frontend()
139 	return 0;  in zd1301_demod_set_frontend()
153 	ret = zd1301_demod_wreg(dev, 0x6a43, 0x70);  in zd1301_demod_sleep()
156 	ret = zd1301_demod_wreg(dev, 0x684e, 0x00);  in zd1301_demod_sleep()
159 	ret = zd1301_demod_wreg(dev, 0x6849, 0x00);  in zd1301_demod_sleep()
162 	ret = zd1301_demod_wreg(dev, 0x68e2, 0xd7);  in zd1301_demod_sleep()
165 	ret = zd1301_demod_wreg(dev, 0x68e0, 0x39);  in zd1301_demod_sleep()
168 	ret = zd1301_demod_wreg(dev, 0x6840, 0x21);  in zd1301_demod_sleep()
172 	return 0;  in zd1301_demod_sleep()
186 	ret = zd1301_demod_wreg(dev, 0x6840, 0x26);  in zd1301_demod_init()
189 	ret = zd1301_demod_wreg(dev, 0x68e0, 0xff);  in zd1301_demod_init()
192 	ret = zd1301_demod_wreg(dev, 0x68e2, 0xd8);  in zd1301_demod_init()
195 	ret = zd1301_demod_wreg(dev, 0x6849, 0x4e);  in zd1301_demod_init()
198 	ret = zd1301_demod_wreg(dev, 0x684e, 0x01);  in zd1301_demod_init()
201 	ret = zd1301_demod_wreg(dev, 0x6a43, zd1301_demod_gain);  in zd1301_demod_init()
205 	return 0;  in zd1301_demod_init()
222 	return 0;  in zd1301_demod_get_tune_settings()
233 	ret = zd1301_demod_rreg(dev, 0x6a24, &u8tmp);  in zd1301_demod_read_status()
236 	if (u8tmp > 0x00 && u8tmp < 0x20)  in zd1301_demod_read_status()
240 		*status = 0;  in zd1301_demod_read_status()
246 	 * 0x6a05: get some gain value  in zd1301_demod_read_status()
247 	 * 0x6a06: get about same gain value than set to 0x6a43  in zd1301_demod_read_status()
248 	 * 0x6a07: get some gain value  in zd1301_demod_read_status()
249 	 * 0x6a43: set gain value by driver  in zd1301_demod_read_status()
250 	 * 0x6a24: get demod lock bits (FSM stage?)  in zd1301_demod_read_status()
253 	 * value for register 0x6a43, based likely values from register 0x6a05  in zd1301_demod_read_status()
254 	 * and 0x6a07. Looks like gain register 0x6a43 value could be from  in zd1301_demod_read_status()
255 	 * range 0x00 - 0x70.  in zd1301_demod_read_status()
261 		ret = zd1301_demod_wreg(dev, 0x6a43, dev->gain);  in zd1301_demod_read_status()
266 	return 0;  in zd1301_demod_read_status()
320 		(_num == 2 && !(_msg[0].flags & I2C_M_RD) && (_msg[1].flags & I2C_M_RD))  in zd1301_demod_i2c_master_xfer()
322 		(_num == 1 && !(_msg[0].flags & I2C_M_RD))  in zd1301_demod_i2c_master_xfer()
324 		(_num == 1 && (_msg[0].flags & I2C_M_RD))  in zd1301_demod_i2c_master_xfer()
326 		dev_dbg(&pdev->dev, "write&read msg[0].len=%u msg[1].len=%u\n",  in zd1301_demod_i2c_master_xfer()
327 			msg[0].len, msg[1].len);  in zd1301_demod_i2c_master_xfer()
328 		if (msg[0].len > 1 || msg[1].len > 8) {  in zd1301_demod_i2c_master_xfer()
333 		ret = zd1301_demod_wreg(dev, 0x6811, 0x80);  in zd1301_demod_i2c_master_xfer()
336 		ret = zd1301_demod_wreg(dev, 0x6812, 0x05);  in zd1301_demod_i2c_master_xfer()
339 		ret = zd1301_demod_wreg(dev, 0x6813, msg[1].addr << 1);  in zd1301_demod_i2c_master_xfer()
342 		ret = zd1301_demod_wreg(dev, 0x6801, msg[0].buf[0]);  in zd1301_demod_i2c_master_xfer()
345 		ret = zd1301_demod_wreg(dev, 0x6802, 0x00);  in zd1301_demod_i2c_master_xfer()
348 		ret = zd1301_demod_wreg(dev, 0x6803, 0x06);  in zd1301_demod_i2c_master_xfer()
351 		ret = zd1301_demod_wreg(dev, 0x6805, 0x00);  in zd1301_demod_i2c_master_xfer()
354 		ret = zd1301_demod_wreg(dev, 0x6804, msg[1].len);  in zd1301_demod_i2c_master_xfer()
363 			ret = zd1301_demod_rreg(dev, 0x6804, &u8tmp);  in zd1301_demod_i2c_master_xfer()
368 		for (i = 0; i < msg[1].len; i++) {  in zd1301_demod_i2c_master_xfer()
369 			ret = zd1301_demod_rreg(dev, 0x0600 + i, &msg[1].buf[i]);  in zd1301_demod_i2c_master_xfer()
374 		dev_dbg(&pdev->dev, "write msg[0].len=%u\n", msg[0].len);  in zd1301_demod_i2c_master_xfer()
375 		if (msg[0].len > 1 + 8) {  in zd1301_demod_i2c_master_xfer()
380 		ret = zd1301_demod_wreg(dev, 0x6811, 0x80);  in zd1301_demod_i2c_master_xfer()
383 		ret = zd1301_demod_wreg(dev, 0x6812, 0x01);  in zd1301_demod_i2c_master_xfer()
386 		ret = zd1301_demod_wreg(dev, 0x6813, msg[0].addr << 1);  in zd1301_demod_i2c_master_xfer()
389 		ret = zd1301_demod_wreg(dev, 0x6800, msg[0].buf[0]);  in zd1301_demod_i2c_master_xfer()
392 		ret = zd1301_demod_wreg(dev, 0x6802, 0x00);  in zd1301_demod_i2c_master_xfer()
395 		ret = zd1301_demod_wreg(dev, 0x6803, 0x06);  in zd1301_demod_i2c_master_xfer()
399 		for (i = 0; i < msg[0].len - 1; i++) {  in zd1301_demod_i2c_master_xfer()
400 			ret = zd1301_demod_wreg(dev, 0x0600 + i, msg[0].buf[1 + i]);  in zd1301_demod_i2c_master_xfer()
405 		ret = zd1301_demod_wreg(dev, 0x6805, 0x80);  in zd1301_demod_i2c_master_xfer()
408 		ret = zd1301_demod_wreg(dev, 0x6804, msg[0].len - 1);  in zd1301_demod_i2c_master_xfer()
417 			ret = zd1301_demod_rreg(dev, 0x6804, &u8tmp);  in zd1301_demod_i2c_master_xfer()
422 		dev_dbg(&pdev->dev, "unknown msg[0].len=%u\n", msg[0].len);  in zd1301_demod_i2c_master_xfer()
484 	ret = zd1301_demod_wreg(dev, 0x6840, 0x21);  in zd1301_demod_probe()
487 	ret = zd1301_demod_wreg(dev, 0x6a38, 0x07);  in zd1301_demod_probe()
510 	return 0;  in zd1301_demod_probe()