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path: root/drivers/media/video/v4l2-common.c
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Diffstat (limited to 'drivers/media/video/v4l2-common.c')
-rw-r--r--drivers/media/video/v4l2-common.c29
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;