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[media] m5mols: remove union in the m5mols_get_version(), and VERSION_SIZE 

Remove union version in the m5mols_get_version(), and read version information
directly. Also remove VERSION_SIZE.

Signed-off-by: HeungJun, Kim <riverful.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Sakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
HeungJun, Kim 2011-06-07 01:59:44 -03:00 committed by Mauro Carvalho Chehab
parent 57644f5623
commit a6354d2e5d
3 changed files with 38 additions and 28 deletions
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1
drivers/media/video/m5mols/m5mols.h
View File

@ -154,7 +154,6 @@ struct m5mols_version {
u8 str[VERSION_STRING_SIZE];
u8 af;
};
#define VERSION_SIZE sizeof(struct m5mols_version)
/**
* struct m5mols_info - M-5MOLS driver data structure

52
drivers/media/video/m5mols/m5mols_core.c
View File

@ -386,37 +386,37 @@ int m5mols_mode(struct m5mols_info *info, u8 mode)
static int m5mols_get_version(struct v4l2_subdev *sd)
{
struct m5mols_info *info = to_m5mols(sd);
union {
struct m5mols_version ver;
u8 bytes[VERSION_SIZE];
} version;
u8 cmd = CAT0_VER_CUSTOMER;
struct m5mols_version *ver = &info->ver;
u8 *str = ver->str;
int i;
int ret;
do {
ret = m5mols_read_u8(sd, SYSTEM_CMD(cmd), &version.bytes[cmd]);
if (ret)
return ret;
} while (cmd++ != CAT0_VER_AWB);
do {
ret = m5mols_read_u8(sd, SYSTEM_VER_STRING, &version.bytes[cmd]);
if (ret)
return ret;
if (cmd >= VERSION_SIZE - 1)
return -EINVAL;
} while (version.bytes[cmd++]);
ret = m5mols_read_u8(sd, AF_VERSION, &version.bytes[cmd]);
ret = m5mols_read_u8(sd, SYSTEM_VER_CUSTOMER, &ver->customer);
if (!ret)
ret = m5mols_read_u8(sd, SYSTEM_VER_PROJECT, &ver->project);
if (!ret)
ret = m5mols_read_u16(sd, SYSTEM_VER_FIRMWARE, &ver->fw);
if (!ret)
ret = m5mols_read_u16(sd, SYSTEM_VER_HARDWARE, &ver->hw);
if (!ret)
ret = m5mols_read_u16(sd, SYSTEM_VER_PARAMETER, &ver->param);
if (!ret)
ret = m5mols_read_u16(sd, SYSTEM_VER_AWB, &ver->awb);
if (!ret)
ret = m5mols_read_u8(sd, AF_VERSION, &ver->af);
if (ret)
return ret;
/* store version information swapped for being readable */
info->ver = version.ver;
info->ver.fw = be16_to_cpu(info->ver.fw);
info->ver.hw = be16_to_cpu(info->ver.hw);
info->ver.param = be16_to_cpu(info->ver.param);
info->ver.awb = be16_to_cpu(info->ver.awb);
for (i = 0; i < VERSION_STRING_SIZE; i++) {
ret = m5mols_read_u8(sd, SYSTEM_VER_STRING, &str[i]);
if (ret)
return ret;
}
ver->fw = be16_to_cpu(ver->fw);
ver->hw = be16_to_cpu(ver->hw);
ver->param = be16_to_cpu(ver->param);
ver->awb = be16_to_cpu(ver->awb);
v4l2_info(sd, "Manufacturer\t[%s]\n",
is_manufacturer(info, REG_SAMSUNG_ELECTRO) ?

13
drivers/media/video/m5mols/m5mols_reg.h
View File

@ -56,13 +56,24 @@
* more specific contents, see definition if file m5mols.h.
*/
#define CAT0_VER_CUSTOMER 0x00 /* customer version */
#define CAT0_VER_AWB 0x09 /* Auto WB version */
#define CAT0_VER_PROJECT 0x01 /* project version */
#define CAT0_VER_FIRMWARE 0x02 /* Firmware version */
#define CAT0_VER_HARDWARE 0x04 /* Hardware version */
#define CAT0_VER_PARAMETER 0x06 /* Parameter version */
#define CAT0_VER_AWB 0x08 /* Auto WB version */
#define CAT0_VER_STRING 0x0a /* string including M-5MOLS */
#define CAT0_SYSMODE 0x0b /* SYSTEM mode register */
#define CAT0_STATUS 0x0c /* SYSTEM mode status register */
#define CAT0_INT_FACTOR 0x10 /* interrupt pending register */
#define CAT0_INT_ENABLE 0x11 /* interrupt enable register */
#define SYSTEM_VER_CUSTOMER I2C_REG(CAT_SYSTEM, CAT0_VER_CUSTOMER, 1)
#define SYSTEM_VER_PROJECT I2C_REG(CAT_SYSTEM, CAT0_VER_PROJECT, 1)
#define SYSTEM_VER_FIRMWARE I2C_REG(CAT_SYSTEM, CAT0_VER_FIRMWARE, 2)
#define SYSTEM_VER_HARDWARE I2C_REG(CAT_SYSTEM, CAT0_VER_HARDWARE, 2)
#define SYSTEM_VER_PARAMETER I2C_REG(CAT_SYSTEM, CAT0_VER_PARAMETER, 2)
#define SYSTEM_VER_AWB I2C_REG(CAT_SYSTEM, CAT0_VER_AWB, 2)
#define SYSTEM_SYSMODE I2C_REG(CAT_SYSTEM, CAT0_SYSMODE, 1)
#define REG_SYSINIT 0x00 /* SYSTEM mode */
#define REG_PARAMETER 0x01 /* PARAMETER mode */