5593 	u8 retbyte;  in i2c_read()  local
5601 	retbyte = reg_r(gspca_dev, 0x0091);		/* read status */  in i2c_read()
5602 	if (retbyte != 0x00)  in i2c_read()
5603 		pr_err("i2c_r status error %02x\n", retbyte);  in i2c_read()
5614 	u8 retbyte;  in i2c_write()  local
5623 	retbyte = reg_r(gspca_dev, 0x0091);		/* read status */  in i2c_write()
5624 	if (retbyte != 0x00)  in i2c_write()
5625 		pr_err("i2c_w status error %02x\n", retbyte);  in i2c_write()
5626 	return retbyte;  in i2c_write()
6262 		u8 retbyte;  in vga_3wr_probe()  local
6264 		retbyte = i2c_read(gspca_dev, 0x02);	/* revision number */  in vga_3wr_probe()
6265 		PDEBUG(D_PROBE, "sensor PO2030 rev 0x%02x", retbyte);  in vga_3wr_probe()