diff options
Diffstat (limited to 'linux/drivers/media/video/v4l2-common.c')
| -rw-r--r-- | linux/drivers/media/video/v4l2-common.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/linux/drivers/media/video/v4l2-common.c b/linux/drivers/media/video/v4l2-common.c index 61cf41995..9d0df66e9 100644 --- a/linux/drivers/media/video/v4l2-common.c +++ b/linux/drivers/media/video/v4l2-common.c @@ -51,6 +51,7 @@ #include <linux/mm.h> #include <linux/string.h> #include <linux/errno.h> +#include <linux/i2c.h> #include <asm/uaccess.h> #include <asm/system.h> #include <asm/pgtable.h> @@ -806,8 +807,9 @@ void v4l_printk_ioctl_arg(char *s,unsigned int cmd, void *arg) case VIDIOC_DBG_S_REGISTER: { struct v4l2_register *p=arg; - printk ("%s: i2c_id=%d, reg=%llu, val=%u\n", s, - p->i2c_id,(unsigned long long)p->reg,p->val); + printk ("%s: match_type=%d, match_chip=%d, reg=%llu, val=%llu\n", s, + p->match_type, p->match_chip, + (unsigned long long)p->reg, (unsigned long long)p->val); break; } @@ -1590,6 +1592,32 @@ u32 v4l2_ctrl_next(const u32 * const * ctrl_classes, u32 id) return **ctrl_classes; } +int v4l2_chip_match_i2c_client(struct i2c_client *c, u32 match_type, u32 match_chip) +{ + switch (match_type) { + case V4L2_CHIP_MATCH_ALWAYS: + return 1; + case V4L2_CHIP_MATCH_I2C_DRIVER: + return (c != NULL && c->driver != NULL && c->driver->id == match_chip); + case V4L2_CHIP_MATCH_I2C_ADDR: + return (c != NULL && c->addr == match_chip); + default: + return 0; + } +} + +int v4l2_chip_match_host(u32 match_type, u32 match_chip) +{ + switch (match_type) { + case V4L2_CHIP_MATCH_ALWAYS: + return 1; + case V4L2_CHIP_MATCH_HOST: + return match_chip == 0; + default: + return 0; + } +} + /* ----------------------------------------------------------------- */ EXPORT_SYMBOL(v4l2_norm_to_name); @@ -1613,6 +1641,9 @@ EXPORT_SYMBOL(v4l2_ctrl_query_menu); EXPORT_SYMBOL(v4l2_ctrl_query_fill); EXPORT_SYMBOL(v4l2_ctrl_query_fill_std); +EXPORT_SYMBOL(v4l2_chip_match_i2c_client); +EXPORT_SYMBOL(v4l2_chip_match_host); + /* * Local variables: * c-basic-offset: 8 |