1 files changed, 20 insertions, 9 deletions

diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index c676b0b0f708..b8f2be8d5c0e 100644
--- a/drivers/media/video/v4l2-common.c
+++ b/drivers/media/video/v4l2-common.c
@@ -797,11 +797,11 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id)
 }
 EXPORT_SYMBOL(v4l2_ctrl_next);
 
-int v4l2_chip_match_host(u32 match_type, u32 match_chip)
+int v4l2_chip_match_host(const struct v4l2_dbg_match *match)
 {
-        switch (match_type) {
+        switch (match->type) {
         case V4L2_CHIP_MATCH_HOST:
-                return match_chip == 0;
+                return match->addr == 0;
         default:
                 return 0;
         }
@@ -809,23 +809,34 @@ int v4l2_chip_match_host(u32 match_type, u32 match_chip)
 EXPORT_SYMBOL(v4l2_chip_match_host);
 
 #if defined(CONFIG_I2C) || (defined(CONFIG_I2C_MODULE) && defined(MODULE))
-int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip)
+int v4l2_chip_match_i2c_client(struct i2c_client *c, const struct v4l2_dbg_match *match)
 {
-        switch (match_type) {
+        int len;
+
+        if (c == NULL || match == NULL)
+                return 0;
+
+        switch (match->type) {
         case V4L2_CHIP_MATCH_I2C_DRIVER:
-                return (c != NULL && c->driver != NULL && c->driver->id == match_chip);
+                if (c->driver == NULL || c->driver->driver.name == NULL)
+                        return 0;
+                len = strlen(c->driver->driver.name);
+                /* legacy drivers have a ' suffix, don't try to match that */
+                if (len && c->driver->driver.name[len - 1] == '\'')
+                        len--;
+                return len && !strncmp(c->driver->driver.name, match->name, len);
         case V4L2_CHIP_MATCH_I2C_ADDR:
-                return (c != NULL && c->addr == match_chip);
+                return c->addr == match->addr;
         default:
                 return 0;
         }
 }
 EXPORT_SYMBOL(v4l2_chip_match_i2c_client);
 
-int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chip,
+int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_dbg_chip_ident *chip,
                 u32 ident, u32 revision)
 {
-        if (!v4l2_chip_match_i2c_client(c, chip->match_type, chip->match_chip))
+        if (!v4l2_chip_match_i2c_client(c, &chip->match))
                 return 0;
         if (chip->ident == V4L2_IDENT_NONE) {
                 chip->ident = ident;