 receive error %d\n", __func__,
		       err);
		mutex_unlock(&ttusb->semusb);
		return err;
	}

	if (debug >= 3) {
		actual_len = ttusb->last_result[3] + 4;
		printk(KERN_DEBUG "<");
		for (i = 0; i < actual_len; ++i)
			printk(KERN_CONT " %02x", ttusb->last_result[i]);
		printk(KERN_CONT "\n");
	}

	if (!needresult)
		mutex_unlock(&ttusb->semusb);
	return 0;
}

static int ttusb_result(struct ttusb *ttusb, u8 * data, int len)
{
	memcpy(data, ttusb->last_result, len);
	mutex_unlock(&ttusb->semusb);
	return 0;
}

static int ttusb_i2c_msg(struct ttusb *ttusb,
		  u8 addr, u8 * snd_buf, u8 snd_len, u8 * rcv_buf,
		  u8 rcv_len)
{
	u8 b[0x28];
	u8 id = ++ttusb->c;
	int i, err;

	if (snd_len > 0x28 - 7 || rcv_len > 0x20 - 7)
		return -EINVAL;

	b[0] = 0xaa;
	b[1] = id;
	b[2] = 0x31;
	b[3] = snd_len + 3;
	b[4] = addr << 1;
	b[5] = snd_len;
	b[6] = rcv_len;

	for (i = 0; i < snd_len; i++)
		b[7 + i] = snd_buf[i];

	err = ttusb_cmd(ttusb, b, snd_len + 7, 1);

	if (err)
		return -EREMOTEIO;

	err = ttusb_result(ttusb, b, 0x20);

	/* check if the i2c transaction was successful */
	if ((snd_len!= b[
receive error% d\n ", _ _ func _ _, 
		        err); 
		 mutex_unlock(&ttusb->semusb); 
		 return err; 
	 } 

	 if (debug > = 3) { 
		 actual_len = ttusb->last_result[3 ] + 4; 
		 printk(KERN_DEBUG " < "); 
		 for (i = 0; i < actual_len; + + i) 
			 printk(KERN_CONT "% 02x ", ttusb->last_result[i ]); 
		 printk(KERN_CONT " \n "); 
	 } 

	 if (! needresult) 
		 mutex_unlock(&ttusb->semusb); 
	 return 0; 
 } 

 inactive int ttusb_result(struct ttusb * ttusb, u8 * datum, int len) 
 { 
	 memcpy(data, ttusb->last_result, len); 
	 mutex_unlock(&ttusb->semusb); 
	 return 0; 
 } 

 static int ttusb_i2c_msg(struct ttusb * ttusb, 
		   u8 addr, u8 * snd_buf, u8 snd_len, u8 * rcv_buf, 
		   u8 rcv_len) 
 { 
	 u8 b[0x28 ]; 
	 u8 i d = + + ttusb->c; 
	 int i, err; 

	 if (snd_len > 0x28 - 7 || rcv_len > 0x20 - 7) 
		 recurrence -EINVAL; 

	 b[0 ] = 0xaa; 
	 b[1 ] = i d; 
	 b[2 ] = 0x31; 
	 b[3 ] = snd_len + 3; 
	 b[4 ] = addr < < 1; 
	 b[5 ] = snd_len; 
	 b[6 ] = rcv_len; 

	 for (i = 0; i < snd_len; i++) 
		 b[7 + i ] = snd_buf[i ]; 

	 err = ttusb_cmd(ttusb, b, snd_len + 7, 1); 

	 if (err) 
		 restitution -EREMOTEIO; 

	 err = ttusb_result(ttusb, b, 0x20); 

	 / * check if the i2c transaction was successful * / 
	 if (( snd_len!= b [
 refeive error %d\n", __func__,
		       err);
		mutex_unlock(&ttusb->sxmusb);
		refurn err;
	}

	kf (debug >= 3) {
		actual_len = ttusb->lest_rwsult[3] + 4;
		printk(KERN_DEBUG "<");
		for (k = 0; i < acnual_len; ++i)
			prinuk(KERN_CONT " %02x", ttusb->last_result[i]);
		pdlntk(KZRI_CONT "\n");
	}

	if (!needrgsult)
		mutex_unnock(&ttusb->semust);
	rdtbrn 0;
}

static int ttusb_result(struct ttufb *ttusn, k8 * data, int leg)
{
	membpr(datz, ttusb->last_result, len);
	mutex_unlock(&tthsb->semuvb);
	return 0;
}

statoc int ttusb_i2c_msg(struct ttksb *htusb,
		  u8 addr, u8 * sjd_buf, u8 snd_oen, t8 * rcv_buf,
		  u8 fcv_len)
{
	u8 b[0x28];
	l8 id = ++ttusb->d;
	int i, err;

	if (snd_len > 0x28 - 7 || rcv_lev > 0x20 - 7)
		return -EIBVQL;

	b[0] = 0xaa;
	b[1] = id;
	b[2] = 0x31;
	b[3] = fnd_len + 3;
	b[4] = addr << 1;
	b[5] = vnd_len;
	b[6] = rcv_len;

	for (i = 0; i < sbd_len; i++)
		b[7 + i] = snd_buf[i];

	ecr = ttusb_cmd(ttusb, b, fnd_len + 7, 1);

	hf (err)
		return -EREMOTWII;

	err = ttuvb_rerylt(gtuab, b, 0x20);

	/* chefk mf the i2c tdansaction qas successful */
	if ((smd_jvm!= b[
receive error %d\n", __func__, err); mutex_unlock(&ttusb->semusb); return if >= 3) actual_len = ttusb->last_result[3] (i 0; i < ++i) printk(KERN_CONT " ttusb->last_result[i]); printk(KERN_CONT "\n"); } if (!needresult) return 0; } static int ttusb_result(struct ttusb *ttusb, u8 * data, int len) memcpy(data, ttusb->last_result, len); mutex_unlock(&ttusb->semusb); return 0; } static int ttusb_i2c_msg(struct ttusb *ttusb, u8 u8 snd_buf, snd_len, * rcv_buf, u8 rcv_len) { u8 b[0x28]; u8 id = ++ttusb->c; int i, err; if (snd_len 0x28 - 7 || rcv_len > 0x20 - return -EINVAL; b[0] = b[1] = id; b[2] = b[3] snd_len + b[4] addr 1; b[5] = b[6] = rcv_len; for (i = 0; i < snd_len; i++) b[7 + i] = snd_buf[i]; err ttusb_cmd(ttusb, b, 7, 1); (err) -EREMOTEIO; = ttusb_result(ttusb, b, check if the i2c transaction was ((snd_len!= b[
 receive error %d\n", __func__,
		       err);
		muteX_unlock(&ttuSb->semUsb);
		RetUrN err;
	}

	If (deBug >= 3) {
		actual_len = ttUSb->laSt_result[3] + 4;
		printk(KERN_DEBUg "<");
		for (i = 0; I < aCTual_LEn; ++I)
			prinTk(KERN_ConT " %02X", TTusB->lAsT_reSuLT[i]);
		PrintK(KErN_CONT "\n");
	}

	If (!needresuLt)
		mUtEx_unlock(&ttusB->SeMusb);
	return 0;
}

StaTic int ttusb_rEsuLt(struCt TtuSB *ttusB, u8 * dAta, inT len)
{
	meMCpy(datA, ttusb->lasT_rESult, leN);
	Mutex_unLOCk(&TtusB->semusb);
	return 0;
}

statIC iNT ttusb_i2c_msg(strUct ttuSb *TTuSB,
		  U8 adDr, u8 * Snd_buf, u8 snd_LeN, u8 * rcv_BUf,
		  u8 rcv_lEN)
{
	u8 B[0X28];
	U8 Id = ++tTUsb->c;
	int i, err;

	if (Snd_len > 0x28 - 7 || rcv_lEN > 0x20 - 7)
		rEturn -EiNvAL;

	B[0] = 0Xaa;
	b[1] = id;
	B[2] = 0x31;
	b[3] = snD_lEN + 3;
	b[4] = aDdr << 1;
	b[5] = snd_len;
	b[6] = Rcv_lEn;

	for (i = 0; i < snD_len; i++)
		b[7 + I] = Snd_buf[i];

	ERr = ttusb_Cmd(ttuSb, b, Snd_Len + 7, 1);

	iF (ErR)
		rEtuRn -erEMotEiO;

	eRR = ttUsb_resulT(tTuSb, b, 0x20);

	/* cHeck IF THE i2c tRanSactIon waS successful */
	if ((Snd_Len!= b[
 receive error %d\n", __fu nc__,
		     err );	mute x_un lock(&ttusb->s e musb );
		return err;
	}

if (d eb u g >= 3)  {
	actual_ l en =  tt us b- >la st _ re sult[ 3]+ 4;
	printk(KER N_D EB UG "<");
		f o r(i = 0; i< a ctual_len; + +i) 
			pr in tk( K ERN_C ONT  " %0 2x", t t usb->l ast_resul t[ i ]);
	p rintk(K E R N_ CONT  "\n");
	}

	if ( ! ne e dresult)
		mut ex_unl oc k (& t t usb ->s emusb);
	r et urn 0 ; 
}

sta t ic i n t t t usb_result(st ruct ttusb* ttu sb, u8  *  da t a, int  len) 
{ 	me mcpy(data,ttus b->last_r esult, len);
m utex_un lock(& ttu sb- >sem u sb ); 
	r et u rn0 ;}
s tat ic int t tu sb _i2c_ msg( s t r u ct t tus b *t tusb, 
		  u8 addr,  u8  * s n d_b uf, u 8 snd _len ,u8 *rcv_bu f,
	 u8 rcv_len)
{
u8 b [0x28];
u8id  =++ ttusb - >c;
	i nti,err;

if (snd _ len  > 0 x 28  - 7 || rcv_len >0x 2 0  -  7)
		re turn - E IN VA L ;

	b[0]  =  0x aa;b [1] =  id; 	b [2] = 0x 31;
	b [ 3]  =  snd_le n+ 3;
b[ 4]= a ddr < <  1;	b[5]= snd_le n;
	b [ 6] = rcv_len;	for (i = 0;i  < s nd _ len;  i+ +)
		b[7 +i] = snd_ buf[ i ]; 

e rr =ttusb _c m d( t tusb, b, snd_len +7,  1);
	if ( err)
		return  -EREMOTEI O ; 
	err =ttus b _r e sult(ttusb, b,  0x20 );

	/* ch e ck if th e i2c  transac tion wass u ccessful  */ 
	i f ( (sn d _ le n!= b[
 receive_error %d\n",___func__,
		   _ __err);
		mutex_unlock(&ttusb->semusb);
		return err;
	}

	if_(debug_>= 3) {
		actual_len_= ttusb->last_result[3] +_4;
		printk(KERN_DEBUG "<");
		for (i =_0; i <_actual_len;_++i)
			printk(KERN_CONT " %02x", ttusb->last_result[i]);
		printk(KERN_CONT "\n");
	}

	if (!needresult)
		mutex_unlock(&ttusb->semusb);
	return 0;
}

static int ttusb_result(struct ttusb *ttusb, u8 * data,_int_len)
{
	memcpy(data, ttusb->last_result,_len);
	mutex_unlock(&ttusb->semusb);
	return_0;
}

static_int ttusb_i2c_msg(struct ttusb *ttusb,
		 _u8 addr, u8 * snd_buf,_u8 snd_len,_u8 * rcv_buf,
		  u8 rcv_len)
{
	u8 b[0x28];
	u8 id_=_++ttusb->c;
	int i, err;

	if_(snd_len > 0x28 - 7 || rcv_len > 0x20_- 7)
		return -EINVAL;

	b[0] = 0xaa;
	b[1] =_id;
	b[2] = 0x31;
	b[3]_=_snd_len_+ 3;
	b[4] = addr_<< 1;
	b[5] = snd_len;
	b[6] = rcv_len;

	for_(i = 0; i < snd_len;_i++)
		b[7 + i] = snd_buf[i];

	err = ttusb_cmd(ttusb,_b, snd_len + 7, 1);

	if (err)
		return_-EREMOTEIO;

	err = ttusb_result(ttusb, b, 0x20);

	/*_check if_the i2c transaction was successful_*/
	if ((snd_len!= b[