summaryrefslogtreecommitdiffstats
path: root/drivers/media/v4l2-core
diff options
context:
space:
mode:
authorLinus Torvalds <torvalds@linux-foundation.org>2022-10-07 11:04:35 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2022-10-07 11:04:35 -0700
commit5d435a3f7b6cb1db566d0f56f5f8dc33be0dde69 (patch)
tree9633f2458c973fccc3ee0fa85b0b24cfe62aa6bf /drivers/media/v4l2-core
parent4078aa68509746d0c1a70c50ab22a761ad7c2e0d (diff)
parentfbb6c848dd89786fe24856ee6b5e773910ded29c (diff)
downloadlinux-5d435a3f7b6cb1db566d0f56f5f8dc33be0dde69.tar.bz2
Merge tag 'media/v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab: - New driver for Mediatek MDP V3 - New driver for NXP i.MX DW100 dewarper - Zoran driver got promoted from staging - Hantro and related drivers got promoted from staging - Several VB1 drivers got moved to staging/deprecated (cpia2, fsl-viu, meye, saa7146, av7110, stkwebcam, tm6000, vpfe_capture, davinci, zr364xx) - Usual set of driver fixes, improvements and cleanups * tag 'media/v6.1-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (107 commits) media: destage Hantro VPU driver media: platform: mtk-mdp3: add MediaTek MDP3 driver media: dt-binding: mediatek: add bindings for MediaTek CCORR and WDMA media: dt-binding: mediatek: add bindings for MediaTek MDP3 components media: xilinx: vipp: Fix refcount leak in xvip_graph_dma_init media: xilinx: video: Add 1X12 greyscale format media: xilinx: csi2rxss: Add 1X12 greyscale format media: staging: media: imx: imx7-media-csi: Increase video mem limit media: uvcvideo: Limit power line control for Sonix Technology media: uvcvideo: Use entity get_cur in uvc_ctrl_set media: uvcvideo: Fix typo 'the the' in comment media: uvcvideo: Use indexed loops in uvc_ctrl_init_ctrl() media: uvcvideo: Fix memory leak in uvc_gpio_parse media: renesas: vsp1: Add support for RZ/G2L VSPD media: renesas: vsp1: Add VSP1_HAS_NON_ZERO_LBA feature bit media: renesas: vsp1: Add support for VSP software version media: renesas: vsp1: Add support to deassert/assert reset line media: dt-bindings: media: renesas,vsp1: Document RZ/G2L VSPD bindings media: meson: vdec: add missing clk_disable_unprepare on error in vdec_hevc_start() media: amphion: fix a bug that vpu core may not resume after suspend ...
Diffstat (limited to 'drivers/media/v4l2-core')
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls-api.c62
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls-core.c218
-rw-r--r--drivers/media/v4l2-core/v4l2-flash-led-class.c2
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c2
-rw-r--r--drivers/media/v4l2-core/v4l2-mem2mem.c6
5 files changed, 189 insertions, 101 deletions
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-api.c b/drivers/media/v4l2-core/v4l2-ctrls-api.c
index 50d012ba3c02..a8c354ad3d23 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-api.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-api.c
@@ -89,10 +89,7 @@ static int req_to_user(struct v4l2_ext_control *c,
/* Helper function: copy the initial control value back to the caller */
static int def_to_user(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
{
- int idx;
-
- for (idx = 0; idx < ctrl->elems; idx++)
- ctrl->type_ops->init(ctrl, idx, ctrl->p_new);
+ ctrl->type_ops->init(ctrl, 0, ctrl->elems, ctrl->p_new);
return ptr_to_user(c, ctrl, ctrl->p_new);
}
@@ -105,8 +102,8 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
ctrl->is_new = 0;
if (ctrl->is_dyn_array &&
- c->size > ctrl->p_dyn_alloc_elems * ctrl->elem_size) {
- void *old = ctrl->p_dyn;
+ c->size > ctrl->p_array_alloc_elems * ctrl->elem_size) {
+ void *old = ctrl->p_array;
void *tmp = kvzalloc(2 * c->size, GFP_KERNEL);
if (!tmp)
@@ -115,14 +112,13 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
memcpy(tmp + c->size, ctrl->p_cur.p, ctrl->elems * ctrl->elem_size);
ctrl->p_new.p = tmp;
ctrl->p_cur.p = tmp + c->size;
- ctrl->p_dyn = tmp;
- ctrl->p_dyn_alloc_elems = c->size / ctrl->elem_size;
+ ctrl->p_array = tmp;
+ ctrl->p_array_alloc_elems = c->size / ctrl->elem_size;
kvfree(old);
}
if (ctrl->is_ptr && !ctrl->is_string) {
unsigned int elems = c->size / ctrl->elem_size;
- unsigned int idx;
if (copy_from_user(ctrl->p_new.p, c->ptr, c->size))
return -EFAULT;
@@ -130,8 +126,7 @@ static int user_to_new(struct v4l2_ext_control *c, struct v4l2_ctrl *ctrl)
if (ctrl->is_dyn_array)
ctrl->new_elems = elems;
else if (ctrl->is_array)
- for (idx = elems; idx < ctrl->elems; idx++)
- ctrl->type_ops->init(ctrl, idx, ctrl->p_new);
+ ctrl->type_ops->init(ctrl, elems, ctrl->elems, ctrl->p_new);
return 0;
}
@@ -467,7 +462,7 @@ int v4l2_g_ext_ctrls_common(struct v4l2_ctrl_handler *hdl,
if (is_default)
ret = def_to_user(cs->controls + idx, ref->ctrl);
- else if (is_request && ref->p_req_dyn_enomem)
+ else if (is_request && ref->p_req_array_enomem)
ret = -ENOMEM;
else if (is_request && ref->p_req_valid)
ret = req_to_user(cs->controls + idx, ref);
@@ -499,12 +494,7 @@ EXPORT_SYMBOL(v4l2_g_ext_ctrls);
/* Validate a new control */
static int validate_new(const struct v4l2_ctrl *ctrl, union v4l2_ctrl_ptr p_new)
{
- unsigned int idx;
- int err = 0;
-
- for (idx = 0; !err && idx < ctrl->new_elems; idx++)
- err = ctrl->type_ops->validate(ctrl, idx, p_new);
- return err;
+ return ctrl->type_ops->validate(ctrl, ctrl->new_elems, p_new);
}
/* Validate controls. */
@@ -989,6 +979,42 @@ int __v4l2_ctrl_modify_range(struct v4l2_ctrl *ctrl,
}
EXPORT_SYMBOL(__v4l2_ctrl_modify_range);
+int __v4l2_ctrl_modify_dimensions(struct v4l2_ctrl *ctrl,
+ u32 dims[V4L2_CTRL_MAX_DIMS])
+{
+ unsigned int elems = 1;
+ unsigned int i;
+ void *p_array;
+
+ lockdep_assert_held(ctrl->handler->lock);
+
+ if (!ctrl->is_array || ctrl->is_dyn_array)
+ return -EINVAL;
+
+ for (i = 0; i < ctrl->nr_of_dims; i++)
+ elems *= dims[i];
+ if (elems == 0)
+ return -EINVAL;
+ p_array = kvzalloc(2 * elems * ctrl->elem_size, GFP_KERNEL);
+ if (!p_array)
+ return -ENOMEM;
+ kvfree(ctrl->p_array);
+ ctrl->p_array_alloc_elems = elems;
+ ctrl->elems = elems;
+ ctrl->new_elems = elems;
+ ctrl->p_array = p_array;
+ ctrl->p_new.p = p_array;
+ ctrl->p_cur.p = p_array + elems * ctrl->elem_size;
+ for (i = 0; i < ctrl->nr_of_dims; i++)
+ ctrl->dims[i] = dims[i];
+ ctrl->type_ops->init(ctrl, 0, elems, ctrl->p_cur);
+ cur_to_new(ctrl);
+ send_event(NULL, ctrl, V4L2_EVENT_CTRL_CH_VALUE |
+ V4L2_EVENT_CTRL_CH_DIMENSIONS);
+ return 0;
+}
+EXPORT_SYMBOL(__v4l2_ctrl_modify_dimensions);
+
/* Implement VIDIOC_QUERY_EXT_CTRL */
int v4l2_query_ext_ctrl(struct v4l2_ctrl_handler *hdl, struct v4l2_query_ext_ctrl *qc)
{
diff --git a/drivers/media/v4l2-core/v4l2-ctrls-core.c b/drivers/media/v4l2-core/v4l2-ctrls-core.c
index 1f85828d6694..01f00093f259 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls-core.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls-core.c
@@ -65,33 +65,29 @@ void send_event(struct v4l2_fh *fh, struct v4l2_ctrl *ctrl, u32 changes)
v4l2_event_queue_fh(sev->fh, &ev);
}
-static bool std_equal(const struct v4l2_ctrl *ctrl, u32 idx,
- union v4l2_ctrl_ptr ptr1,
- union v4l2_ctrl_ptr ptr2)
+bool v4l2_ctrl_type_op_equal(const struct v4l2_ctrl *ctrl, u32 elems,
+ union v4l2_ctrl_ptr ptr1, union v4l2_ctrl_ptr ptr2)
{
+ unsigned int i;
+
switch (ctrl->type) {
case V4L2_CTRL_TYPE_BUTTON:
return false;
case V4L2_CTRL_TYPE_STRING:
- idx *= ctrl->elem_size;
- /* strings are always 0-terminated */
- return !strcmp(ptr1.p_char + idx, ptr2.p_char + idx);
- case V4L2_CTRL_TYPE_INTEGER64:
- return ptr1.p_s64[idx] == ptr2.p_s64[idx];
- case V4L2_CTRL_TYPE_U8:
- return ptr1.p_u8[idx] == ptr2.p_u8[idx];
- case V4L2_CTRL_TYPE_U16:
- return ptr1.p_u16[idx] == ptr2.p_u16[idx];
- case V4L2_CTRL_TYPE_U32:
- return ptr1.p_u32[idx] == ptr2.p_u32[idx];
+ for (i = 0; i < elems; i++) {
+ unsigned int idx = i * ctrl->elem_size;
+
+ /* strings are always 0-terminated */
+ if (strcmp(ptr1.p_char + idx, ptr2.p_char + idx))
+ return false;
+ }
+ return true;
default:
- if (ctrl->is_int)
- return ptr1.p_s32[idx] == ptr2.p_s32[idx];
- idx *= ctrl->elem_size;
- return !memcmp(ptr1.p_const + idx, ptr2.p_const + idx,
- ctrl->elem_size);
+ return !memcmp(ptr1.p_const, ptr2.p_const,
+ elems * ctrl->elem_size);
}
}
+EXPORT_SYMBOL(v4l2_ctrl_type_op_equal);
/* Default intra MPEG-2 quantisation coefficients, from the specification. */
static const u8 mpeg2_intra_quant_matrix[64] = {
@@ -181,45 +177,76 @@ static void std_init_compound(const struct v4l2_ctrl *ctrl, u32 idx,
}
}
-static void std_init(const struct v4l2_ctrl *ctrl, u32 idx,
- union v4l2_ctrl_ptr ptr)
+void v4l2_ctrl_type_op_init(const struct v4l2_ctrl *ctrl, u32 from_idx,
+ u32 tot_elems, union v4l2_ctrl_ptr ptr)
{
+ unsigned int i;
+ u32 elems = tot_elems - from_idx;
+
+ if (from_idx >= tot_elems)
+ return;
+
switch (ctrl->type) {
case V4L2_CTRL_TYPE_STRING:
- idx *= ctrl->elem_size;
- memset(ptr.p_char + idx, ' ', ctrl->minimum);
- ptr.p_char[idx + ctrl->minimum] = '\0';
+ for (i = from_idx; i < tot_elems; i++) {
+ unsigned int offset = i * ctrl->elem_size;
+
+ memset(ptr.p_char + offset, ' ', ctrl->minimum);
+ ptr.p_char[offset + ctrl->minimum] = '\0';
+ }
break;
case V4L2_CTRL_TYPE_INTEGER64:
- ptr.p_s64[idx] = ctrl->default_value;
+ if (ctrl->default_value) {
+ for (i = from_idx; i < tot_elems; i++)
+ ptr.p_s64[i] = ctrl->default_value;
+ } else {
+ memset(ptr.p_s64 + from_idx, 0, elems * sizeof(s64));
+ }
break;
case V4L2_CTRL_TYPE_INTEGER:
case V4L2_CTRL_TYPE_INTEGER_MENU:
case V4L2_CTRL_TYPE_MENU:
case V4L2_CTRL_TYPE_BITMASK:
case V4L2_CTRL_TYPE_BOOLEAN:
- ptr.p_s32[idx] = ctrl->default_value;
+ if (ctrl->default_value) {
+ for (i = from_idx; i < tot_elems; i++)
+ ptr.p_s32[i] = ctrl->default_value;
+ } else {
+ memset(ptr.p_s32 + from_idx, 0, elems * sizeof(s32));
+ }
break;
case V4L2_CTRL_TYPE_BUTTON:
case V4L2_CTRL_TYPE_CTRL_CLASS:
- ptr.p_s32[idx] = 0;
+ memset(ptr.p_s32 + from_idx, 0, elems * sizeof(s32));
break;
case V4L2_CTRL_TYPE_U8:
- ptr.p_u8[idx] = ctrl->default_value;
+ memset(ptr.p_u8 + from_idx, ctrl->default_value, elems);
break;
case V4L2_CTRL_TYPE_U16:
- ptr.p_u16[idx] = ctrl->default_value;
+ if (ctrl->default_value) {
+ for (i = from_idx; i < tot_elems; i++)
+ ptr.p_u16[i] = ctrl->default_value;
+ } else {
+ memset(ptr.p_u16 + from_idx, 0, elems * sizeof(u16));
+ }
break;
case V4L2_CTRL_TYPE_U32:
- ptr.p_u32[idx] = ctrl->default_value;
+ if (ctrl->default_value) {
+ for (i = from_idx; i < tot_elems; i++)
+ ptr.p_u32[i] = ctrl->default_value;
+ } else {
+ memset(ptr.p_u32 + from_idx, 0, elems * sizeof(u32));
+ }
break;
default:
- std_init_compound(ctrl, idx, ptr);
+ for (i = from_idx; i < tot_elems; i++)
+ std_init_compound(ctrl, i, ptr);
break;
}
}
+EXPORT_SYMBOL(v4l2_ctrl_type_op_init);
-static void std_log(const struct v4l2_ctrl *ctrl)
+void v4l2_ctrl_type_op_log(const struct v4l2_ctrl *ctrl)
{
union v4l2_ctrl_ptr ptr = ctrl->p_cur;
@@ -327,6 +354,7 @@ static void std_log(const struct v4l2_ctrl *ctrl)
break;
}
}
+EXPORT_SYMBOL(v4l2_ctrl_type_op_log);
/*
* Round towards the closest legal value. Be careful when we are
@@ -520,7 +548,8 @@ validate_vp9_frame(struct v4l2_ctrl_vp9_frame *frame)
/*
* Compound controls validation requires setting unused fields/flags to zero
- * in order to properly detect unchanged controls with std_equal's memcmp.
+ * in order to properly detect unchanged controls with v4l2_ctrl_type_op_equal's
+ * memcmp.
*/
static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
union v4l2_ctrl_ptr ptr)
@@ -895,8 +924,8 @@ static int std_validate_compound(const struct v4l2_ctrl *ctrl, u32 idx,
return 0;
}
-static int std_validate(const struct v4l2_ctrl *ctrl, u32 idx,
- union v4l2_ctrl_ptr ptr)
+static int std_validate_elem(const struct v4l2_ctrl *ctrl, u32 idx,
+ union v4l2_ctrl_ptr ptr)
{
size_t len;
u64 offset;
@@ -966,11 +995,43 @@ static int std_validate(const struct v4l2_ctrl *ctrl, u32 idx,
}
}
+int v4l2_ctrl_type_op_validate(const struct v4l2_ctrl *ctrl, u32 elems,
+ union v4l2_ctrl_ptr ptr)
+{
+ unsigned int i;
+ int ret = 0;
+
+ switch ((u32)ctrl->type) {
+ case V4L2_CTRL_TYPE_U8:
+ if (ctrl->maximum == 0xff && ctrl->minimum == 0 && ctrl->step == 1)
+ return 0;
+ break;
+ case V4L2_CTRL_TYPE_U16:
+ if (ctrl->maximum == 0xffff && ctrl->minimum == 0 && ctrl->step == 1)
+ return 0;
+ break;
+ case V4L2_CTRL_TYPE_U32:
+ if (ctrl->maximum == 0xffffffff && ctrl->minimum == 0 && ctrl->step == 1)
+ return 0;
+ break;
+
+ case V4L2_CTRL_TYPE_BUTTON:
+ case V4L2_CTRL_TYPE_CTRL_CLASS:
+ memset(ptr.p_s32, 0, elems * sizeof(s32));
+ return 0;
+ }
+
+ for (i = 0; !ret && i < elems; i++)
+ ret = std_validate_elem(ctrl, i, ptr);
+ return ret;
+}
+EXPORT_SYMBOL(v4l2_ctrl_type_op_validate);
+
static const struct v4l2_ctrl_type_ops std_type_ops = {
- .equal = std_equal,
- .init = std_init,
- .log = std_log,
- .validate = std_validate,
+ .equal = v4l2_ctrl_type_op_equal,
+ .init = v4l2_ctrl_type_op_init,
+ .log = v4l2_ctrl_type_op_log,
+ .validate = v4l2_ctrl_type_op_validate,
};
void v4l2_ctrl_notify(struct v4l2_ctrl *ctrl, v4l2_ctrl_notify_fnc notify, void *priv)
@@ -1048,23 +1109,26 @@ void cur_to_new(struct v4l2_ctrl *ctrl)
ptr_to_ptr(ctrl, ctrl->p_cur, ctrl->p_new, ctrl->new_elems);
}
-static bool req_alloc_dyn_array(struct v4l2_ctrl_ref *ref, u32 elems)
+static bool req_alloc_array(struct v4l2_ctrl_ref *ref, u32 elems)
{
void *tmp;
- if (elems < ref->p_req_dyn_alloc_elems)
+ if (elems == ref->p_req_array_alloc_elems)
+ return true;
+ if (ref->ctrl->is_dyn_array &&
+ elems < ref->p_req_array_alloc_elems)
return true;
tmp = kvmalloc(elems * ref->ctrl->elem_size, GFP_KERNEL);
if (!tmp) {
- ref->p_req_dyn_enomem = true;
+ ref->p_req_array_enomem = true;
return false;
}
- ref->p_req_dyn_enomem = false;
+ ref->p_req_array_enomem = false;
kvfree(ref->p_req.p);
ref->p_req.p = tmp;
- ref->p_req_dyn_alloc_elems = elems;
+ ref->p_req_array_alloc_elems = elems;
return true;
}
@@ -1077,7 +1141,7 @@ void new_to_req(struct v4l2_ctrl_ref *ref)
return;
ctrl = ref->ctrl;
- if (ctrl->is_dyn_array && !req_alloc_dyn_array(ref, ctrl->new_elems))
+ if (ctrl->is_array && !req_alloc_array(ref, ctrl->new_elems))
return;
ref->p_req_elems = ctrl->new_elems;
@@ -1094,7 +1158,7 @@ void cur_to_req(struct v4l2_ctrl_ref *ref)
return;
ctrl = ref->ctrl;
- if (ctrl->is_dyn_array && !req_alloc_dyn_array(ref, ctrl->elems))
+ if (ctrl->is_array && !req_alloc_array(ref, ctrl->elems))
return;
ref->p_req_elems = ctrl->elems;
@@ -1123,26 +1187,30 @@ int req_to_new(struct v4l2_ctrl_ref *ref)
return 0;
}
- /* Not a dynamic array, so just copy the request value */
- if (!ctrl->is_dyn_array) {
+ /* Not an array, so just copy the request value */
+ if (!ctrl->is_array) {
ptr_to_ptr(ctrl, ref->p_req, ctrl->p_new, ctrl->new_elems);
return 0;
}
/* Sanity check, should never happen */
- if (WARN_ON(!ref->p_req_dyn_alloc_elems))
+ if (WARN_ON(!ref->p_req_array_alloc_elems))
+ return -ENOMEM;
+
+ if (!ctrl->is_dyn_array &&
+ ref->p_req_elems != ctrl->p_array_alloc_elems)
return -ENOMEM;
/*
* Check if the number of elements in the request is more than the
- * elements in ctrl->p_dyn. If so, attempt to realloc ctrl->p_dyn.
- * Note that p_dyn is allocated with twice the number of elements
+ * elements in ctrl->p_array. If so, attempt to realloc ctrl->p_array.
+ * Note that p_array is allocated with twice the number of elements
* in the dynamic array since it has to store both the current and
* new value of such a control.
*/
- if (ref->p_req_elems > ctrl->p_dyn_alloc_elems) {
+ if (ref->p_req_elems > ctrl->p_array_alloc_elems) {
unsigned int sz = ref->p_req_elems * ctrl->elem_size;
- void *old = ctrl->p_dyn;
+ void *old = ctrl->p_array;
void *tmp = kvzalloc(2 * sz, GFP_KERNEL);
if (!tmp)
@@ -1151,8 +1219,8 @@ int req_to_new(struct v4l2_ctrl_ref *ref)
memcpy(tmp + sz, ctrl->p_cur.p, ctrl->elems * ctrl->elem_size);
ctrl->p_new.p = tmp;
ctrl->p_cur.p = tmp + sz;
- ctrl->p_dyn = tmp;
- ctrl->p_dyn_alloc_elems = ref->p_req_elems;
+ ctrl->p_array = tmp;
+ ctrl->p_array_alloc_elems = ref->p_req_elems;
kvfree(old);
}
@@ -1243,7 +1311,7 @@ void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl)
/* Free all nodes */
list_for_each_entry_safe(ref, next_ref, &hdl->ctrl_refs, node) {
list_del(&ref->node);
- if (ref->p_req_dyn_alloc_elems)
+ if (ref->p_req_array_alloc_elems)
kvfree(ref->p_req.p);
kfree(ref);
}
@@ -1252,7 +1320,7 @@ void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl)
list_del(&ctrl->node);
list_for_each_entry_safe(sev, next_sev, &ctrl->ev_subs, node)
list_del(&sev->node);
- kvfree(ctrl->p_dyn);
+ kvfree(ctrl->p_array);
kvfree(ctrl);
}
kvfree(hdl->buckets);
@@ -1368,7 +1436,7 @@ int handler_new_ref(struct v4l2_ctrl_handler *hdl,
if (hdl->error)
return hdl->error;
- if (allocate_req && !ctrl->is_dyn_array)
+ if (allocate_req && !ctrl->is_array)
size_extra_req = ctrl->elems * ctrl->elem_size;
new_ref = kzalloc(sizeof(*new_ref) + size_extra_req, GFP_KERNEL);
if (!new_ref)
@@ -1442,7 +1510,6 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
unsigned elems = 1;
bool is_array;
unsigned tot_ctrl_size;
- unsigned idx;
void *data;
int err;
@@ -1584,11 +1651,10 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
V4L2_CTRL_FLAG_EXECUTE_ON_WRITE;
else if (type == V4L2_CTRL_TYPE_CTRL_CLASS)
flags |= V4L2_CTRL_FLAG_READ_ONLY;
- else if (!(flags & V4L2_CTRL_FLAG_DYNAMIC_ARRAY) &&
+ else if (!is_array &&
(type == V4L2_CTRL_TYPE_INTEGER64 ||
type == V4L2_CTRL_TYPE_STRING ||
- type >= V4L2_CTRL_COMPOUND_TYPES ||
- is_array))
+ type >= V4L2_CTRL_COMPOUND_TYPES))
sz_extra += 2 * tot_ctrl_size;
if (type >= V4L2_CTRL_COMPOUND_TYPES && p_def.p_const)
@@ -1632,14 +1698,14 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
ctrl->cur.val = ctrl->val = def;
data = &ctrl[1];
- if (ctrl->is_dyn_array) {
- ctrl->p_dyn_alloc_elems = elems;
- ctrl->p_dyn = kvzalloc(2 * elems * elem_size, GFP_KERNEL);
- if (!ctrl->p_dyn) {
+ if (ctrl->is_array) {
+ ctrl->p_array_alloc_elems = elems;
+ ctrl->p_array = kvzalloc(2 * elems * elem_size, GFP_KERNEL);
+ if (!ctrl->p_array) {
kvfree(ctrl);
return NULL;
}
- data = ctrl->p_dyn;
+ data = ctrl->p_array;
}
if (!ctrl->is_int) {
@@ -1651,20 +1717,18 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
}
if (type >= V4L2_CTRL_COMPOUND_TYPES && p_def.p_const) {
- if (ctrl->is_dyn_array)
+ if (ctrl->is_array)
ctrl->p_def.p = &ctrl[1];
else
ctrl->p_def.p = ctrl->p_cur.p + tot_ctrl_size;
memcpy(ctrl->p_def.p, p_def.p_const, elem_size);
}
- for (idx = 0; idx < elems; idx++) {
- ctrl->type_ops->init(ctrl, idx, ctrl->p_cur);
- ctrl->type_ops->init(ctrl, idx, ctrl->p_new);
- }
+ ctrl->type_ops->init(ctrl, 0, elems, ctrl->p_cur);
+ cur_to_new(ctrl);
if (handler_new_ref(hdl, ctrl, NULL, false, false)) {
- kvfree(ctrl->p_dyn);
+ kvfree(ctrl->p_array);
kvfree(ctrl);
return NULL;
}
@@ -1978,7 +2042,6 @@ void update_from_auto_cluster(struct v4l2_ctrl *master)
static int cluster_changed(struct v4l2_ctrl *master)
{
bool changed = false;
- unsigned int idx;
int i;
for (i = 0; i < master->ncontrols; i++) {
@@ -2004,10 +2067,9 @@ static int cluster_changed(struct v4l2_ctrl *master)
if (ctrl->elems != ctrl->new_elems)
ctrl_changed = true;
-
- for (idx = 0; !ctrl_changed && idx < ctrl->elems; idx++)
- ctrl_changed = !ctrl->type_ops->equal(ctrl, idx,
- ctrl->p_cur, ctrl->p_new);
+ if (!ctrl_changed)
+ ctrl_changed = !ctrl->type_ops->equal(ctrl,
+ ctrl->elems, ctrl->p_cur, ctrl->p_new);
ctrl->has_changed = ctrl_changed;
changed |= ctrl->has_changed;
}
diff --git a/drivers/media/v4l2-core/v4l2-flash-led-class.c b/drivers/media/v4l2-core/v4l2-flash-led-class.c
index e70e128ccc9c..355595a0fefa 100644
--- a/drivers/media/v4l2-core/v4l2-flash-led-class.c
+++ b/drivers/media/v4l2-core/v4l2-flash-led-class.c
@@ -94,7 +94,7 @@ static int v4l2_flash_set_led_brightness(struct v4l2_flash *v4l2_flash,
* brightness <-> intensity conversion, it also must have defined
* related v4l2 control step == 1. In such a case a backward conversion
* from led brightness to v4l2 intensity is required to find out the
- * the aligned intensity value.
+ * aligned intensity value.
*/
if (has_flash_op(v4l2_flash, led_brightness_to_intensity))
ctrl->val = call_flash_op(v4l2_flash,
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index e6fd355a2e92..fddba75d9074 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1045,7 +1045,7 @@ static void v4l_sanitize_format(struct v4l2_format *fmt)
/*
* The v4l2_pix_format structure has been extended with fields that were
* not previously required to be set to zero by applications. The priv
- * field, when set to a magic value, indicates the the extended fields
+ * field, when set to a magic value, indicates that the extended fields
* are valid. Otherwise they will contain undefined values. To simplify
* the API towards drivers zero the extended fields and set the priv
* field to the magic value when the extended pixel format structure
diff --git a/drivers/media/v4l2-core/v4l2-mem2mem.c b/drivers/media/v4l2-core/v4l2-mem2mem.c
index 837e1855f94b..be7fde1ed3ea 100644
--- a/drivers/media/v4l2-core/v4l2-mem2mem.c
+++ b/drivers/media/v4l2-core/v4l2-mem2mem.c
@@ -1,8 +1,8 @@
// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * Memory-to-memory device framework for Video for Linux 2 and videobuf.
+ * Memory-to-memory device framework for Video for Linux 2 and vb2.
*
- * Helper functions for devices that use videobuf buffers for both their
+ * Helper functions for devices that use vb2 buffers for both their
* source and destination.
*
* Copyright (c) 2009-2010 Samsung Electronics Co., Ltd.
@@ -21,7 +21,7 @@
#include <media/v4l2-fh.h>
#include <media/v4l2-event.h>
-MODULE_DESCRIPTION("Mem to mem device framework for videobuf");
+MODULE_DESCRIPTION("Mem to mem device framework for vb2");
MODULE_AUTHOR("Pawel Osciak, <pawel@osciak.com>");
MODULE_LICENSE("GPL");