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path: root/drivers/media/video/cx25840/cx25840-core.c
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Diffstat (limited to 'drivers/media/video/cx25840/cx25840-core.c')
-rw-r--r--drivers/media/video/cx25840/cx25840-core.c447
1 files changed, 263 insertions, 184 deletions
diff --git a/drivers/media/video/cx25840/cx25840-core.c b/drivers/media/video/cx25840/cx25840-core.c
index 4da8cd74f00..2ad277189da 100644
--- a/drivers/media/video/cx25840/cx25840-core.c
+++ b/drivers/media/video/cx25840/cx25840-core.c
@@ -191,7 +191,7 @@ static void cx25840_work_handler(struct work_struct *work)
static void cx25840_initialize(struct i2c_client *client)
{
DEFINE_WAIT(wait);
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
struct workqueue_struct *q;
/* datasheet startup in numbered steps, refer to page 3-77 */
@@ -259,7 +259,7 @@ static void cx25840_initialize(struct i2c_client *client)
static void cx23885_initialize(struct i2c_client *client)
{
DEFINE_WAIT(wait);
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
struct workqueue_struct *q;
/* Internal Reset */
@@ -350,7 +350,7 @@ static void cx23885_initialize(struct i2c_client *client)
void cx25840_std_setup(struct i2c_client *client)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
v4l2_std_id std = state->std;
int hblank, hactive, burst, vblank, vactive, sc;
int vblank656, src_decimation;
@@ -497,7 +497,7 @@ void cx25840_std_setup(struct i2c_client *client)
static void input_change(struct i2c_client *client)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
v4l2_std_id std = state->std;
/* Follow step 8c and 8d of section 3.16 in the cx25840 datasheet */
@@ -551,7 +551,7 @@ static void input_change(struct i2c_client *client)
static int set_input(struct i2c_client *client, enum cx25840_video_input vid_input,
enum cx25840_audio_input aud_input)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
u8 is_composite = (vid_input >= CX25840_COMPOSITE1 &&
vid_input <= CX25840_COMPOSITE8);
u8 reg;
@@ -671,7 +671,7 @@ static int set_input(struct i2c_client *client, enum cx25840_video_input vid_inp
static int set_v4lstd(struct i2c_client *client)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
u8 fmt = 0; /* zero is autodetect */
u8 pal_m = 0;
@@ -720,9 +720,10 @@ static int set_v4lstd(struct i2c_client *client)
/* ----------------------------------------------------------------------- */
-static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
+static int cx25840_s_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
case CX25840_CID_ENABLE_PVR150_WORKAROUND:
@@ -786,9 +787,10 @@ static int set_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
return 0;
}
-static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
+static int cx25840_g_ctrl(struct v4l2_subdev *sd, struct v4l2_control *ctrl)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
switch (ctrl->id) {
case CX25840_CID_ENABLE_PVR150_WORKAROUND:
@@ -823,21 +825,23 @@ static int get_v4lctrl(struct i2c_client *client, struct v4l2_control *ctrl)
/* ----------------------------------------------------------------------- */
-static int get_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
+static int cx25840_g_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
switch (fmt->type) {
case V4L2_BUF_TYPE_SLICED_VBI_CAPTURE:
return cx25840_vbi(client, VIDIOC_G_FMT, fmt);
default:
return -EINVAL;
}
-
return 0;
}
-static int set_v4lfmt(struct i2c_client *client, struct v4l2_format *fmt)
+static int cx25840_s_fmt(struct v4l2_subdev *sd, struct v4l2_format *fmt)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
struct v4l2_pix_format *pix;
int HSC, VSC, Vsrc, Hsrc, filter, Vlines;
int is_50Hz = !(state->std & V4L2_STD_525_60);
@@ -914,7 +918,7 @@ static void log_video_status(struct i2c_client *client)
"0xD", "0xE", "0xF"
};
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
u8 vidfmt_sel = cx25840_read(client, 0x400) & 0xf;
u8 gen_stat1 = cx25840_read(client, 0x40d);
u8 gen_stat2 = cx25840_read(client, 0x40e);
@@ -944,7 +948,7 @@ static void log_video_status(struct i2c_client *client)
static void log_audio_status(struct i2c_client *client)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
+ struct cx25840_state *state = to_state(i2c_get_clientdata(client));
u8 download_ctl = cx25840_read(client, 0x803);
u8 mod_det_stat0 = cx25840_read(client, 0x804);
u8 mod_det_stat1 = cx25840_read(client, 0x805);
@@ -1097,21 +1101,12 @@ static void log_audio_status(struct i2c_client *client)
/* ----------------------------------------------------------------------- */
-static int cx25840_command(struct i2c_client *client, unsigned int cmd,
- void *arg)
+static int cx25840_init(struct v4l2_subdev *sd, u32 val)
{
- struct cx25840_state *state = i2c_get_clientdata(client);
- struct v4l2_tuner *vt = arg;
- struct v4l2_routing *route = arg;
-
- /* ignore these commands */
- switch (cmd) {
- case TUNER_SET_TYPE_ADDR:
- return 0;
- }
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
if (!state->is_initialized) {
- v4l_dbg(1, cx25840_debug, client, "cmd %08x triggered fw load\n", cmd);
/* initialize on first use */
state->is_initialized = 1;
if (state->is_cx25836)
@@ -1121,50 +1116,69 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
else
cx25840_initialize(client);
}
+ return 0;
+}
- switch (cmd) {
#ifdef CONFIG_VIDEO_ADV_DEBUG
- /* ioctls to allow direct access to the
- * cx25840 registers for testing */
- case VIDIOC_DBG_G_REGISTER:
- case VIDIOC_DBG_S_REGISTER:
- {
- struct v4l2_register *reg = arg;
-
- if (!v4l2_chip_match_i2c_client(client, reg->match_type, reg->match_chip))
- return -EINVAL;
- if (!capable(CAP_SYS_ADMIN))
- return -EPERM;
+static int cx25840_g_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- if (cmd == VIDIOC_DBG_G_REGISTER)
- reg->val = cx25840_read(client, reg->reg & 0x0fff);
- else
- cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
- break;
- }
+ if (!v4l2_chip_match_i2c_client(client,
+ reg->match_type, reg->match_chip))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ reg->val = cx25840_read(client, reg->reg & 0x0fff);
+ return 0;
+}
+
+static int cx25840_s_register(struct v4l2_subdev *sd, struct v4l2_register *reg)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ if (!v4l2_chip_match_i2c_client(client,
+ reg->match_type, reg->match_chip))
+ return -EINVAL;
+ if (!capable(CAP_SYS_ADMIN))
+ return -EPERM;
+ cx25840_write(client, reg->reg & 0x0fff, reg->val & 0xff);
+ return 0;
+}
#endif
- case VIDIOC_INT_DECODE_VBI_LINE:
- return cx25840_vbi(client, cmd, arg);
+static int cx25840_decode_vbi_line(struct v4l2_subdev *sd, struct v4l2_decode_vbi_line *vbi)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case VIDIOC_INT_AUDIO_CLOCK_FREQ:
- return cx25840_audio(client, cmd, arg);
+ return cx25840_vbi(client, VIDIOC_INT_DECODE_VBI_LINE, vbi);
+}
+
+static int cx25840_s_clock_freq(struct v4l2_subdev *sd, u32 freq)
+{
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+
+ return cx25840_audio(client, VIDIOC_INT_AUDIO_CLOCK_FREQ, &freq);
+}
+
+static int cx25840_s_stream(struct v4l2_subdev *sd, int enable)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case VIDIOC_STREAMON:
- v4l_dbg(1, cx25840_debug, client, "enable output\n");
+ v4l_dbg(1, cx25840_debug, client, "%s output\n",
+ enable ? "enable" : "disable");
+ if (enable) {
if (state->is_cx23885) {
u8 v = (cx25840_read(client, 0x421) | 0x0b);
cx25840_write(client, 0x421, v);
} else {
cx25840_write(client, 0x115,
- state->is_cx25836 ? 0x0c : 0x8c);
+ state->is_cx25836 ? 0x0c : 0x8c);
cx25840_write(client, 0x116,
- state->is_cx25836 ? 0x04 : 0x07);
+ state->is_cx25836 ? 0x04 : 0x07);
}
- break;
-
- case VIDIOC_STREAMOFF:
- v4l_dbg(1, cx25840_debug, client, "disable output\n");
+ } else {
if (state->is_cx23885) {
u8 v = cx25840_read(client, 0x421) & ~(0x0b);
cx25840_write(client, 0x421, v);
@@ -1172,133 +1186,136 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
cx25840_write(client, 0x115, 0x00);
cx25840_write(client, 0x116, 0x00);
}
- break;
+ }
+ return 0;
+}
- case VIDIOC_LOG_STATUS:
- log_video_status(client);
- if (!state->is_cx25836)
- log_audio_status(client);
- break;
+static int cx25840_queryctrl(struct v4l2_subdev *sd, struct v4l2_queryctrl *qc)
+{
+ struct cx25840_state *state = to_state(sd);
- case VIDIOC_G_CTRL:
- return get_v4lctrl(client, (struct v4l2_control *)arg);
+ switch (qc->id) {
+ case V4L2_CID_BRIGHTNESS:
+ case V4L2_CID_CONTRAST:
+ case V4L2_CID_SATURATION:
+ case V4L2_CID_HUE:
+ return v4l2_ctrl_query_fill_std(qc);
+ default:
+ break;
+ }
+ if (state->is_cx25836)
+ return -EINVAL;
- case VIDIOC_S_CTRL:
- return set_v4lctrl(client, (struct v4l2_control *)arg);
+ switch (qc->id) {
+ case V4L2_CID_AUDIO_VOLUME:
+ return v4l2_ctrl_query_fill(qc, 0, 65535,
+ 65535 / 100, state->default_volume);
+ case V4L2_CID_AUDIO_MUTE:
+ case V4L2_CID_AUDIO_BALANCE:
+ case V4L2_CID_AUDIO_BASS:
+ case V4L2_CID_AUDIO_TREBLE:
+ return v4l2_ctrl_query_fill_std(qc);
+ default:
+ return -EINVAL;
+ }
+ return -EINVAL;
+}
- case VIDIOC_QUERYCTRL:
- {
- struct v4l2_queryctrl *qc = arg;
+static int cx25840_s_std(struct v4l2_subdev *sd, v4l2_std_id std)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- switch (qc->id) {
- case V4L2_CID_BRIGHTNESS:
- case V4L2_CID_CONTRAST:
- case V4L2_CID_SATURATION:
- case V4L2_CID_HUE:
- return v4l2_ctrl_query_fill_std(qc);
- default:
- break;
- }
- if (state->is_cx25836)
- return -EINVAL;
+ if (state->radio == 0 && state->std == std)
+ return 0;
+ state->radio = 0;
+ state->std = std;
+ return set_v4lstd(client);
+}
- switch (qc->id) {
- case V4L2_CID_AUDIO_VOLUME:
- return v4l2_ctrl_query_fill(qc, 0, 65535,
- 65535 / 100, state->default_volume);
- case V4L2_CID_AUDIO_MUTE:
- case V4L2_CID_AUDIO_BALANCE:
- case V4L2_CID_AUDIO_BASS:
- case V4L2_CID_AUDIO_TREBLE:
- return v4l2_ctrl_query_fill_std(qc);
- default:
- return -EINVAL;
- }
- return -EINVAL;
- }
+static int cx25840_s_radio(struct v4l2_subdev *sd)
+{
+ struct cx25840_state *state = to_state(sd);
- case VIDIOC_G_STD:
- *(v4l2_std_id *)arg = state->std;
- break;
+ state->radio = 1;
+ return 0;
+}
- case VIDIOC_S_STD:
- if (state->radio == 0 && state->std == *(v4l2_std_id *)arg)
- return 0;
- state->radio = 0;
- state->std = *(v4l2_std_id *)arg;
- return set_v4lstd(client);
+static int cx25840_s_video_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case AUDC_SET_RADIO:
- state->radio = 1;
- break;
+ return set_input(client, route->input, state->aud_input);
+}
- case VIDIOC_INT_G_VIDEO_ROUTING:
- route->input = state->vid_input;
- route->output = 0;
- break;
+static int cx25840_s_audio_routing(struct v4l2_subdev *sd, const struct v4l2_routing *route)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case VIDIOC_INT_S_VIDEO_ROUTING:
- return set_input(client, route->input, state->aud_input);
+ if (state->is_cx25836)
+ return -EINVAL;
+ return set_input(client, state->vid_input, route->input);
+}
- case VIDIOC_INT_G_AUDIO_ROUTING:
- if (state->is_cx25836)
- return -EINVAL;
- route->input = state->aud_input;
- route->output = 0;
- break;
+static int cx25840_s_frequency(struct v4l2_subdev *sd, struct v4l2_frequency *freq)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case VIDIOC_INT_S_AUDIO_ROUTING:
- if (state->is_cx25836)
- return -EINVAL;
- return set_input(client, state->vid_input, route->input);
+ if (!state->is_cx25836)
+ input_change(client);
+ return 0;
+}
- case VIDIOC_S_FREQUENCY:
- if (!state->is_cx25836) {
- input_change(client);
- }
- break;
+static int cx25840_g_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ u8 vpres = cx25840_read(client, 0x40e) & 0x20;
+ u8 mode;
+ int val = 0;
- case VIDIOC_G_TUNER:
- {
- u8 vpres = cx25840_read(client, 0x40e) & 0x20;
- u8 mode;
- int val = 0;
+ if (state->radio)
+ return 0;
- if (state->radio)
- break;
+ vt->signal = vpres ? 0xffff : 0x0;
+ if (state->is_cx25836)
+ return 0;
- vt->signal = vpres ? 0xffff : 0x0;
- if (state->is_cx25836)
- break;
+ vt->capability |=
+ V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
+ V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
- vt->capability |=
- V4L2_TUNER_CAP_STEREO | V4L2_TUNER_CAP_LANG1 |
- V4L2_TUNER_CAP_LANG2 | V4L2_TUNER_CAP_SAP;
+ mode = cx25840_read(client, 0x804);
- mode = cx25840_read(client, 0x804);
+ /* get rxsubchans and audmode */
+ if ((mode & 0xf) == 1)
+ val |= V4L2_TUNER_SUB_STEREO;
+ else
+ val |= V4L2_TUNER_SUB_MONO;
- /* get rxsubchans and audmode */
- if ((mode & 0xf) == 1)
- val |= V4L2_TUNER_SUB_STEREO;
- else
- val |= V4L2_TUNER_SUB_MONO;
+ if (mode == 2 || mode == 4)
+ val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
- if (mode == 2 || mode == 4)
- val = V4L2_TUNER_SUB_LANG1 | V4L2_TUNER_SUB_LANG2;
+ if (mode & 0x10)
+ val |= V4L2_TUNER_SUB_SAP;
- if (mode & 0x10)
- val |= V4L2_TUNER_SUB_SAP;
+ vt->rxsubchans = val;
+ vt->audmode = state->audmode;
+ return 0;
+}
- vt->rxsubchans = val;
- vt->audmode = state->audmode;
- break;
- }
+static int cx25840_s_tuner(struct v4l2_subdev *sd, struct v4l2_tuner *vt)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case VIDIOC_S_TUNER:
- if (state->radio || state->is_cx25836)
- break;
+ if (state->radio || state->is_cx25836)
+ return 0;
- switch (vt->audmode) {
+ switch (vt->audmode) {
case V4L2_TUNER_MODE_MONO:
/* mono -> mono
stereo -> mono
@@ -1326,41 +1343,100 @@ static int cx25840_command(struct i2c_client *client, unsigned int cmd,
break;
default:
return -EINVAL;
- }
- state->audmode = vt->audmode;
- break;
+ }
+ state->audmode = vt->audmode;
+ return 0;
+}
- case VIDIOC_G_FMT:
- return get_v4lfmt(client, (struct v4l2_format *)arg);
+static int cx25840_reset(struct v4l2_subdev *sd, u32 val)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case VIDIOC_S_FMT:
- return set_v4lfmt(client, (struct v4l2_format *)arg);
+ if (state->is_cx25836)
+ cx25836_initialize(client);
+ else if (state->is_cx23885)
+ cx23885_initialize(client);
+ else
+ cx25840_initialize(client);
+ return 0;
+}
- case VIDIOC_INT_RESET:
- if (state->is_cx25836)
- cx25836_initialize(client);
- else if (state->is_cx23885)
- cx23885_initialize(client);
- else
- cx25840_initialize(client);
- break;
+static int cx25840_g_chip_ident(struct v4l2_subdev *sd, struct v4l2_chip_ident *chip)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
- case VIDIOC_G_CHIP_IDENT:
- return v4l2_chip_ident_i2c_client(client, arg, state->id, state->rev);
+ return v4l2_chip_ident_i2c_client(client, chip, state->id, state->rev);
+}
- default:
- return -EINVAL;
- }
+static int cx25840_log_status(struct v4l2_subdev *sd)
+{
+ struct cx25840_state *state = to_state(sd);
+ struct i2c_client *client = v4l2_get_subdevdata(sd);
+ log_video_status(client);
+ if (!state->is_cx25836)
+ log_audio_status(client);
return 0;
}
+static int cx25840_command(struct i2c_client *client, unsigned cmd, void *arg)
+{
+ return v4l2_subdev_command(i2c_get_clientdata(client), cmd, arg);
+}
+
+/* ----------------------------------------------------------------------- */
+
+static const struct v4l2_subdev_core_ops cx25840_core_ops = {
+ .log_status = cx25840_log_status,
+ .g_chip_ident = cx25840_g_chip_ident,
+ .g_ctrl = cx25840_g_ctrl,
+ .s_ctrl = cx25840_s_ctrl,
+ .queryctrl = cx25840_queryctrl,
+ .reset = cx25840_reset,
+ .init = cx25840_init,
+#ifdef CONFIG_VIDEO_ADV_DEBUG
+ .g_register = cx25840_g_register,
+ .s_register = cx25840_s_register,
+#endif
+};
+
+static const struct v4l2_subdev_tuner_ops cx25840_tuner_ops = {
+ .s_frequency = cx25840_s_frequency,
+ .s_std = cx25840_s_std,
+ .s_radio = cx25840_s_radio,
+ .g_tuner = cx25840_g_tuner,
+ .s_tuner = cx25840_s_tuner,
+};
+
+static const struct v4l2_subdev_audio_ops cx25840_audio_ops = {
+ .s_clock_freq = cx25840_s_clock_freq,
+ .s_routing = cx25840_s_audio_routing,
+};
+
+static const struct v4l2_subdev_video_ops cx25840_video_ops = {
+ .s_routing = cx25840_s_video_routing,
+ .g_fmt = cx25840_g_fmt,
+ .s_fmt = cx25840_s_fmt,
+ .decode_vbi_line = cx25840_decode_vbi_line,
+ .s_stream = cx25840_s_stream,
+};
+
+static const struct v4l2_subdev_ops cx25840_ops = {
+ .core = &cx25840_core_ops,
+ .tuner = &cx25840_tuner_ops,
+ .audio = &cx25840_audio_ops,
+ .video = &cx25840_video_ops,
+};
+
/* ----------------------------------------------------------------------- */
static int cx25840_probe(struct i2c_client *client,
const struct i2c_device_id *did)
{
struct cx25840_state *state;
+ struct v4l2_subdev *sd;
u32 id;
u16 device_id;
@@ -1392,10 +1468,11 @@ static int cx25840_probe(struct i2c_client *client,
}
state = kzalloc(sizeof(struct cx25840_state), GFP_KERNEL);
- if (state == NULL) {
+ if (state == NULL)
return -ENOMEM;
- }
+ sd = &state->sd;
+ v4l2_i2c_subdev_init(sd, client, &cx25840_ops);
/* Note: revision '(device_id & 0x0f) == 2' was never built. The
marking skips from 0x1 == 22 to 0x3 == 23. */
v4l_info(client, "cx25%3x-2%x found @ 0x%x (%s)\n",
@@ -1403,7 +1480,6 @@ static int cx25840_probe(struct i2c_client *client,
(device_id & 0x0f) < 3 ? (device_id & 0x0f) + 1 : (device_id & 0x0f),
client->addr << 1, client->adapter->name);
- i2c_set_clientdata(client, state);
state->c = client;
state->is_cx25836 = ((device_id & 0xff00) == 0x8300);
state->is_cx23885 = (device_id == 0x0000) || (device_id == 0x1313);
@@ -1430,7 +1506,10 @@ static int cx25840_probe(struct i2c_client *client,
static int cx25840_remove(struct i2c_client *client)
{
- kfree(i2c_get_clientdata(client));
+ struct v4l2_subdev *sd = i2c_get_clientdata(client);
+
+ v4l2_device_unregister_subdev(sd);
+ kfree(to_state(sd));
return 0;
}
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-12-13 09:20:06 +0000