V4L/DVB (10141): v4l2: debugging API changed to match against driver name instead...

[safe/jmp/linux-2.6] / drivers / media / video / v4l2-common.c

diff --git a/drivers/media/video/v4l2-common.c b/drivers/media/video/v4l2-common.c
index c676b0b..b8f2be8 100644 (file)
--- 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;