Message ID | 52961A85.4080009@gentoo.org (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
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,
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@gentoo.org> --- drivers/media/usb/cx231xx/cx231xx-i2c.c | 16 ++++++++++++---- 1 file changed, 12 insertions(+), 4 deletions(-) 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 { -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html