shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-06-06 10:58:48 +09:00
Code Issues Packages Projects Releases Wiki Activity

media: i2c: sc530ai support get channel info

Browse Source 
Signed-off-by: Zefa Chen <zefa.chen@rock-chips.com>
Change-Id: Ie52ca66917de1e1dc9da36ece34d8a3ed44e24fb
This commit is contained in:
Zefa Chen
2022-09-06 14:37:29 +08:00
committed by Tao Huang
parent 9e83a41df7
commit b1d21d84ec
1 changed files with 32 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

32
drivers/media/i2c/sc530ai.c
View File

@@ -1128,11 +1128,23 @@ static int sc530ai_set_hdrae(struct sc530ai *sc530ai,
return ret;
}
static int sc530ai_get_channel_info(struct sc530ai *sc530ai, struct rkmodule_channel_info *ch_info)
{
if (ch_info->index < PAD0 || ch_info->index >= PAD_MAX)
return -EINVAL;
ch_info->vc = sc530ai->cur_mode->vc[ch_info->index];
ch_info->width = sc530ai->cur_mode->width;
ch_info->height = sc530ai->cur_mode->height;
ch_info->bus_fmt = sc530ai->cur_mode->bus_fmt;
return 0;
}
static long sc530ai_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
{
struct sc530ai *sc530ai = to_sc530ai(sd);
struct rkmodule_hdr_cfg *hdr;
const struct sc530ai_mode *mode;
struct rkmodule_channel_info *ch_info;
long ret = 0;
u32 i, h = 0, w;
@@ -1208,6 +1220,10 @@ static long sc530ai_ioctl(struct v4l2_subdev *sd, unsigned int cmd, void *arg)
SC530AI_REG_VALUE_08BIT,
SC530AI_MODE_SW_STANDBY);
break;
case RKMODULE_GET_CHANNEL_INFO:
ch_info = (struct rkmodule_channel_info *)arg;
ret = sc530ai_get_channel_info(sc530ai, ch_info);
break;
default:
ret = -ENOIOCTLCMD;
break;
@@ -1224,6 +1240,7 @@ static long sc530ai_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;
@@ -1294,6 +1311,21 @@ static long sc530ai_compat_ioctl32(struct v4l2_subdev *sd,
ret = sc530ai_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 = sc530ai_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;