20 #define CTRL_READ_REQUEST	0xb8
21 #define CTRL_WRITE_REQUEST	0x38
23 #define REQTYPE_I2C_READ	0xb1
24 #define REQTYPE_I2C_WRITE	0xb0
25 #define REQTYPE_I2C_WRITE_STATT	0xd0
27 #define Z8F0811_IR_TX_I2C_ADDR	0x70
28 #define Z8F0811_IR_RX_I2C_ADDR	0x71
61 		ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),  in hdpvr_i2c_read()
63 				      (bus << 8) | addr, 0, dev->i2c_buf,  in hdpvr_i2c_read()
65 		if (ret < 0)  in hdpvr_i2c_read()
69 	ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),  in hdpvr_i2c_read()
71 			      (bus << 8) | addr, 0, dev->i2c_buf, len, 1000);  in hdpvr_i2c_read()
75 		ret = 0;  in hdpvr_i2c_read()
76 	} else if (ret >= 0)  in hdpvr_i2c_read()
91 	ret = usb_control_msg(dev->udev, usb_sndctrlpipe(dev->udev, 0),  in hdpvr_i2c_write()
93 			      (bus << 8) | addr, 0, dev->i2c_buf, len, 1000);  in hdpvr_i2c_write()
95 	if (ret < 0)  in hdpvr_i2c_write()
98 	ret = usb_control_msg(dev->udev, usb_rcvctrlpipe(dev->udev, 0),  in hdpvr_i2c_write()
100 			      0, 0, dev->i2c_buf, 2, 1000);  in hdpvr_i2c_write()
103 		ret = 0;  in hdpvr_i2c_write()
104 	else if (ret >= 0)  in hdpvr_i2c_write()
114 	int retval = 0, addr;  in hdpvr_transfer()
118 	addr = msgs[0].addr << 1;  in hdpvr_transfer()
121 		if (msgs[0].flags & I2C_M_RD)  in hdpvr_transfer()
122 			retval = hdpvr_i2c_read(dev, 1, addr, NULL, 0,  in hdpvr_transfer()
123 						msgs[0].buf, msgs[0].len);  in hdpvr_transfer()
125 			retval = hdpvr_i2c_write(dev, 1, addr, msgs[0].buf,  in hdpvr_transfer()
126 						 msgs[0].len);  in hdpvr_transfer()
128 		if (msgs[0].addr != msgs[1].addr) {  in hdpvr_transfer()
134 		if ((msgs[0].flags & I2C_M_RD) || !(msgs[1].flags & I2C_M_RD)) {  in hdpvr_transfer()
136 				  msgs[0].flags & I2C_M_RD,  in hdpvr_transfer()
146 		retval = hdpvr_i2c_read(dev, 1, addr, msgs[0].buf, msgs[0].len,  in hdpvr_transfer()
180 	hdpvr_i2c_read(dev, 0, 0x54, NULL, 0, buffer, 1);  in hdpvr_activate_ir()
182 	buffer[0] = 0;  in hdpvr_activate_ir()
183 	buffer[1] = 0x8;  in hdpvr_activate_ir()
184 	hdpvr_i2c_write(dev, 1, 0x54, buffer, 2);  in hdpvr_activate_ir()
186 	buffer[1] = 0x18;  in hdpvr_activate_ir()
187 	hdpvr_i2c_write(dev, 1, 0x54, buffer, 2);  in hdpvr_activate_ir()
191 	return 0;  in hdpvr_activate_ir()