- exported an mt352_read_reg-function

- implemented a single byte write_register function (needed for dibusb)
same for mt352.h in revision 1.4 to 1.5

1 files changed, 19 insertions, 7 deletions

diff --git a/linux/drivers/media/dvb/frontends/mt352.c b/linux/drivers/media/dvb/frontends/mt352.c
index bb33c4c75..9f525aee0 100644
--- a/linux/drivers/media/dvb/frontends/mt352.c
+++ b/linux/drivers/media/dvb/frontends/mt352.c
@@ -58,17 +58,27 @@ static int debug;
 		if (debug) printk(KERN_DEBUG "mt352: " args); \
 	} while (0)
 
-int mt352_write(struct dvb_frontend* fe, u8* ibuf, int ilen)
+static int mt352_single_write(struct dvb_frontend *fe, u8 reg, u8 val)
 {
 	struct mt352_state* state = (struct mt352_state*) fe->demodulator_priv;
+	u8 buf[2] = { reg, val };
 	struct i2c_msg msg = { .addr = state->config->demod_address, .flags = 0,
-			       .buf = ibuf, .len = ilen };
+			       .buf = buf, .len = 2 };
 	int err = i2c_transfer(state->i2c, &msg, 1);
 	if (err != 1) {
-		dprintk("mt352_write() failed (err = %d)!\n", err);
+		dprintk("mt352_write() to reg %x failed (err = %d)!\n", reg, err);
 		return err;
 	}
+	return 0; 
+}
 
+int mt352_write(struct dvb_frontend* fe, u8* ibuf, int ilen)
+{
+	int err,i;
+	for (i=0; i < ilen-1; i++)
+		if ((err = mt352_single_write(fe,ibuf[0]+i,ibuf[i+1]))) 
+			return err;
+	
 	return 0;
 }
 
@@ -92,10 +102,11 @@ static u8 mt352_read_register(struct mt352_state* state, u8 reg)
 	return b1[0];
 }
 
-
-
-
-
+u8 mt352_read(struct dvb_frontend *fe, u8 reg)
+{
+	return mt352_read_register(fe->demodulator_priv,reg);
+}
+	
 
 
 
@@ -556,3 +567,4 @@ MODULE_LICENSE("GPL");
 
 EXPORT_SYMBOL(mt352_attach);
 EXPORT_SYMBOL(mt352_write);
+EXPORT_SYMBOL(mt352_read);