[media] cx231xx: Added support for Carraera, Shelby, RDx_253S and VIDEO_GRABBER
Added support for new cx231xx boards - Carraera, Shelby, RDx_253S and
VIDEO_GRABBER.
[mchehab@redhat.com: Fix a merge conflict with BKL removal patches]
Signed-off-by: Palash Bandyopadhyay <palash.bandyopadhyay@conexant.com>
Signed-off-by: Devin Heitmueller <dheitmueller@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/video/cx231xx/cx231xx-i2c.c b/drivers/media/video/cx231xx/cx231xx-i2c.c
index 58d9cc0..d64bc7c21 100644
--- a/drivers/media/video/cx231xx/cx231xx-i2c.c
+++ b/drivers/media/video/cx231xx/cx231xx-i2c.c
@@ -359,7 +359,7 @@
if (num <= 0)
return 0;
-
+ mutex_lock(&dev->i2c_lock);
for (i = 0; i < num; i++) {
addr = msgs[i].addr >> 1;
@@ -372,6 +372,7 @@
rc = cx231xx_i2c_check_for_device(i2c_adap, &msgs[i]);
if (rc < 0) {
dprintk2(2, " no device\n");
+ mutex_lock(&dev->i2c_lock);
return rc;
}
@@ -384,7 +385,7 @@
}
} 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 < 2)) {
+ && (msgs[i].len <= 2) && (bus->nr < 3)) {
/* read bytes */
rc = cx231xx_i2c_recv_bytes_with_saddr(i2c_adap,
&msgs[i],
@@ -407,10 +408,11 @@
if (i2c_debug >= 2)
printk("\n");
}
-
+ mutex_unlock(&dev->i2c_lock);
return num;
err:
dprintk2(2, " ERROR: %i\n", rc);
+ mutex_unlock(&dev->i2c_lock);
return rc;
}