[PATCH] cx231xx: fix i2c debug prints

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Do not shift the already 7bit i2c address.
Print a message also for write+read transactions.
For write+read, print the read buffer correctly instead of using the write
buffer.

Signed-off-by: Matthias Schwarzott <zzam@xxxxxxxxxx>
---
 drivers/media/usb/cx231xx/cx231xx-i2c.c | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/drivers/media/usb/cx231xx/cx231xx-i2c.c b/drivers/media/usb/cx231xx/cx231xx-i2c.c
index 96a5a09..a0d2235 100644
--- a/drivers/media/usb/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/usb/cx231xx/cx231xx-i2c.c
@@ -371,9 +371,9 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
        mutex_lock(&dev->i2c_lock);
        for (i = 0; i < num; i++) {

-               addr = msgs[i].addr >> 1;
+               addr = msgs[i].addr;

-               dprintk2(2, "%s %s addr=%x len=%d:",
+               dprintk2(2, "%s %s addr=0x%x len=%d:",
                         (msgs[i].flags & I2C_M_RD) ? "read" : "write",
i == num - 1 ? "stop" : "nonstop", addr, msgs[i].len);
                if (!msgs[i].len) {
@@ -395,13 +395,21 @@ static int cx231xx_i2c_xfer(struct i2c_adapter *i2c_adap,
                } else if (i + 1 < num && (msgs[i + 1].flags & I2C_M_RD) &&
                           msgs[i].addr == msgs[i + 1].addr
                           && (msgs[i].len <= 2) && (bus->nr < 3)) {
+                       /* write bytes */
+                       if (i2c_debug >= 2) {
+                               for (byte = 0; byte < msgs[i].len; byte++)
+                                       printk(" %02x", msgs[i].buf[byte]);
+                       }
                        /* read bytes */
+                       dprintk2(2, "plus %s %s addr=0x%x len=%d:",
+ (msgs[i+1].flags & I2C_M_RD) ? "read" : "write", + i+1 == num - 1 ? "stop" : "nonstop", addr, msgs[i+1].len);
                        rc = cx231xx_i2c_recv_bytes_with_saddr(i2c_adap,
&msgs[i],
&msgs[i + 1]);
                        if (i2c_debug >= 2) {
-                               for (byte = 0; byte < msgs[i].len; byte++)
-                                       printk(" %02x", msgs[i].buf[byte]);
+                               for (byte = 0; byte < msgs[i+1].len; byte++)
+ printk(" %02x", msgs[i+1].buf[byte]);
                        }
                        i++;
                } else {

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