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media: i2c: sc500ai support get channel info

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: I53e3d0389de3b0bcc5fd86a7184826aaecd39594
This commit is contained in:
Zefa Chen
2022-09-06 14:15:35 +08:00
committed by Tao Huang
parent d07a1791b5
commit feb05d124a
1 changed files with 32 additions and 0 deletions
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32
drivers/media/i2c/sc500ai.c
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@@ -908,11 +908,23 @@ static int sc500ai_set_hdrae(struct sc500ai *sc500ai,
return ret;
}
static int sc500ai_get_channel_info(struct sc500ai *sc500ai, struct rkmodule_channel_info *ch_info)
{
if (ch_info->index < PAD0 || ch_info->index >= PAD_MAX)
return -EINVAL;
ch_info->vc = sc500ai->cur_mode->vc[ch_info->index];
ch_info->width = sc500ai->cur_mode->width;
ch_info->height = sc500ai->cur_mode->height;
ch_info->bus_fmt = sc500ai->cur_mode->bus_fmt;
return 0;
}
static long sc500ai_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct sc500ai *sc500ai = to_sc500ai(sd);
struct rkmodule_hdr_cfg *hdr;
const struct sc500ai_mode *mode;
struct rkmodule_channel_info *ch_info;
long ret = 0;
u32 i, h, w;
@@ -974,6 +986,10 @@ static long sc500ai_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
ret = sc500ai_write_reg(sc500ai->client, SC500AI_REG_CTRL_MODE,
SC500AI_REG_VALUE_08BIT, SC500AI_MODE_SW_STANDBY);
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = (struct rkmodule_channel_info *)arg;
ret = sc500ai_get_channel_info(sc500ai, ch_info);
break;
default:
ret = -ENOIOCTLCMD;
break;
@@ -990,6 +1006,7 @@ static long sc500ai_compat_ioctl32(struct v4l2_subdev *sd,
struct rkmodule_inf *inf;
struct rkmodule_hdr_cfg *hdr;
struct preisp_hdrae_exp_s *hdrae;
struct rkmodule_channel_info *ch_info;
long ret = 0;
u32 stream = 0;
@@ -1056,6 +1073,21 @@ static long sc500ai_compat_ioctl32(struct v4l2_subdev *sd,
ret = sc500ai_ioctl(sd, cmd, &stream);
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = kzalloc(sizeof(*ch_info), GFP_KERNEL);
if (!ch_info) {
ret = -ENOMEM;
return ret;
}
ret = sc500ai_ioctl(sd, cmd, ch_info);
if (!ret) {
ret = copy_to_user(up, ch_info, sizeof(*ch_info));
if (ret)
ret = -EFAULT;
}
kfree(ch_info);
break;
default:
ret = -ENOIOCTLCMD;
break;