When I2C_WRITE is used the msg[] array contains one element only.
Don't access msg[1] in that case. Also moved rest of msg2[1]
setting to be used only if needed.
Signed-off-by: Honza Petrous <jpetr...@smartimp.cz>
---
diff -r ae517614bf00 drivers/media/dvb/frontends/cxd2820r_core.c
--- a/drivers/media/dvb/frontends/cxd2820r_core.c Thu Jul 28 15:44:49
2011 +0200
+++ b/drivers/media/dvb/frontends/cxd2820r_core.c Thu Jul 28 16:20:17
2011 +0200
@@ -747,12 +747,7 @@ static int cxd2820r_tuner_i2c_xfer(struc
.flags = 0,
.len = sizeof(obuf),
.buf = obuf,
- }, {
- .addr = priv->cfg.i2c_address,
- .flags = I2C_M_RD,
- .len = msg[1].len,
- .buf = msg[1].buf,
- }
+ },
};
obuf[0] = 0x09;
@@ -760,6 +755,11 @@ static int cxd2820r_tuner_i2c_xfer(struc
if (num == 2) { /* I2C read */
obuf[1] = (msg[0].addr << 1) | I2C_M_RD; /* I2C RD flag */
msg2[0].len = sizeof(obuf) - 1; /* maybe HW bug ? */
+
+ msg2[1].addr = priv->cfg.i2c_address,
+ msg2[1].flags = I2C_M_RD,
+ msg2[1].len = msg[1].len,
+ msg2[1].buf = msg[1].buf,
}
memcpy(&obuf[2], msg[0].buf, msg[0].len);
--
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