diff options
Diffstat (limited to 'linux/drivers/media/video/v4l2-common.c')
| -rw-r--r-- | linux/drivers/media/video/v4l2-common.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/linux/drivers/media/video/v4l2-common.c b/linux/drivers/media/video/v4l2-common.c index 60c56a8b0..0a45e19cb 100644 --- a/linux/drivers/media/video/v4l2-common.c +++ b/linux/drivers/media/video/v4l2-common.c @@ -60,6 +60,7 @@ #include <linux/video_decoder.h> #define __OLD_VIDIOC_ /* To allow fixing old calls*/ #include <media/v4l2-common.h> +#include <media/v4l2-chip-ident.h> #ifdef CONFIG_KMOD #include <linux/kmod.h> @@ -1605,6 +1606,22 @@ int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_c } } +int v4l2_chip_ident_i2c_client(struct i2c_client *c, struct v4l2_chip_ident *chip, + u32 ident, u32 revision) +{ + if (!v4l2_chip_match_i2c_client(c, chip->match_type, chip->match_chip)) + return 0; + if (chip->ident == V4L2_IDENT_NONE) { + chip->ident = ident; + chip->revision = revision; + } + else { + chip->ident = V4L2_IDENT_AMBIGUOUS; + chip->revision = 0; + } + return 0; +} + int v4l2_chip_match_host(u32 match_type, u32 match_chip) { switch (match_type) { @@ -1639,6 +1656,7 @@ EXPORT_SYMBOL(v4l2_ctrl_query_fill); EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); EXPORT_SYMBOL(v4l2_chip_match_i2c_client); +EXPORT_SYMBOL(v4l2_chip_ident_i2c_client); EXPORT_SYMBOL(v4l2_chip_match_host); /* |