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media: i2c: sc4238 support get channel info

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Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: Iaf4b2986a5aa3b43fb3ea1d29d6e81a1170643ca
This commit is contained in:
Zefa Chen
2022-09-06 11:31:15 +08:00
committed by Tao Huang
parent d7b517a933
commit 27fca158ee
1 changed files with 32 additions and 0 deletions
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32
drivers/media/i2c/sc4238.c
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@@ -1880,10 +1880,22 @@ static int sc4238_set_hdrae(struct sc4238 *sc4238,
return ret;
}
static int sc4238_get_channel_info(struct sc4238 *sc4238, struct rkmodule_channel_info *ch_info)
{
if (ch_info->index < PAD0 || ch_info->index >= PAD_MAX)
return -EINVAL;
ch_info->vc = sc4238->cur_mode->vc[ch_info->index];
ch_info->width = sc4238->cur_mode->width;
ch_info->height = sc4238->cur_mode->height;
ch_info->bus_fmt = sc4238->cur_mode->bus_fmt;
return 0;
}
static long sc4238_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct sc4238 *sc4238 = to_sc4238(sd);
struct rkmodule_hdr_cfg *hdr_cfg;
struct rkmodule_channel_info *ch_info;
long ret = 0;
u32 i, h, w;
u32 stream = 0;
@@ -1945,6 +1957,10 @@ static long sc4238_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
ret = sc4238_write_reg(sc4238->client, SC4238_REG_CTRL_MODE,
SC4238_REG_VALUE_08BIT, SC4238_MODE_SW_STANDBY);
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = (struct rkmodule_channel_info *)arg;
ret = sc4238_get_channel_info(sc4238, ch_info);
break;
default:
ret = -ENOIOCTLCMD;
break;
@@ -1962,6 +1978,7 @@ static long sc4238_compat_ioctl32(struct v4l2_subdev *sd,
struct rkmodule_awb_cfg *cfg;
struct rkmodule_hdr_cfg *hdr;
struct preisp_hdrae_exp_s *hdrae;
struct rkmodule_channel_info *ch_info;
long ret;
u32 stream = 0;
@@ -2045,6 +2062,21 @@ static long sc4238_compat_ioctl32(struct v4l2_subdev *sd,
else
ret = -EFAULT;
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = kzalloc(sizeof(*ch_info), GFP_KERNEL);
if (!ch_info) {
ret = -ENOMEM;
return ret;
}
ret = sc4238_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;