evie/android_kernel_oneplus_msm8998
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msm: ba: Update video input device enumeration

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Remove signal status check during enumeration to avoid
any unnecessary polling of device status during bootup.
The single status check is done when device is open for
streaming.

CRs-Fixed: 1092315
Change-Id: I2027fe0fab0fb865071001e7400ba7672433d8f5
Signed-off-by: Shiju Mathew <shijum@codeaurora.org>
This commit is contained in:
Shiju Mathew 2016-11-03 17:41:02 -04:00 • committed by Gerrit - the friendly Code Review server
parent 6d0ae50f6e
commit fd368e4ce1
2 changed files with 0 additions and 20 deletions
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11
drivers/video/msm/ba/msm_ba.c
View file

@ -132,7 +132,6 @@ int msm_ba_enum_input(void *instance, struct v4l2_input *input)
{
struct msm_ba_input *ba_input = NULL;
struct msm_ba_inst *inst = instance;
int status = 0;
int rc = 0;
if (!inst || !input)
@ -152,16 +151,6 @@ int msm_ba_enum_input(void *instance, struct v4l2_input *input)
else
input->capabilities = V4L2_IN_CAP_STD;
dprintk(BA_DBG, "msm_ba_find_input: name %s", input->name);
/* get current signal status */
rc = v4l2_subdev_call(
ba_input->sd, video, g_input_status, &status);
if (rc) {
dprintk(BA_ERR, "g_input_status failed (%d) for sd: %s",
rc, ba_input->sd->name);
} else {
input->status = status;
ba_input->signal_status = status;
}
}
return rc;
}

9
drivers/video/msm/ba/msm_ba_common.c
View file

@ -189,7 +189,6 @@ void msm_ba_add_inputs(struct v4l2_subdev *sd)
int start_index = 0;
int end_index = 0;
int dev_id = 0;
int status = 0;
dev_ctxt = get_ba_dev();
if (!list_empty(&dev_ctxt->inputs))
@ -219,14 +218,6 @@ void msm_ba_add_inputs(struct v4l2_subdev *sd)
input->input_user_type =
msm_ba_inp_cfg[i].input_user_type;
input->sd = sd;
rc = v4l2_subdev_call(
sd, video, g_input_status, &status);
if (rc)
dprintk(BA_ERR,
"g_input_status failed for sd: %s",
sd->name);
else
input->signal_status = status;
list_add_tail(&input->list, &dev_ctxt->inputs);
dev_ctxt->num_inputs++;
dprintk(BA_DBG, "Add input: name %s on %d",