[xubuntu] Webcam issues on Xubuntu 16.04 on Dell Inspiron 3437 with Microdia Integrated Webcam

Code:

Bus 001 Device 007: ID 0cf3:0036 Atheros Communications, Inc. 
Bus 001 Device 002: ID 8087:8000 Intel Corp. 
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 003 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

Code:

Module                  Size  Used by
uvcvideo               90112  0
videobuf2_vmalloc      16384  1 uvcvideo
videobuf2_memops       16384  1 videobuf2_vmalloc
videobuf2_v4l2         28672  1 uvcvideo
videobuf2_core         36864  2 uvcvideo,videobuf2_v4l2
v4l2_common            16384  1 videobuf2_v4l2
videodev              176128  4 uvcvideo,v4l2_common,videobuf2_core,videobuf2_v4l2
media                  24576  2 uvcvideo,videodev
drbg                   32768  1
ansi_cpg             16384  0
ctr                    16384  1
ccm                    20480  1
bnep                   20480  2
dell_led               16384  0
snd_hda_codec_hdmi     53248  1
arc4                   16384  2
intel_rapl             20480  0
ath9k                 143360  0
x86_pkg_temp_thermal    16384  0
ath9k_common           36864  1 ath9k
snd_hda_codec_realtek    81920  1
snd_soc_rt5640        114688  0
intel_powerclamp       16384  0
snd_hda_codec_generic    77824  1 snd_hda_codec_realtek
snd_soc_rl6231         16384  1 snd_soc_rt5640
snd_hda_intel          36864  7
ath9k_hw              466944  2 ath9k_common,ath9k
snd_soc_core          212992  1 snd_soc_rt5640
snd_hda_codec         135168  4 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_intel
snd_compress           20480  1 snd_soc_core
ath                    32768  3 ath9k_common,ath9k,ath9k_hw
ac97_bus               16384  1 snd_soc_core
coretemp               16384  0
snd_pcm_dmaengine      16384  1 snd_soc_core
kvm_intel             172032  0
mac80211              737280  1 ath9k
snd_hda_core           73728  5 snd_hda_codec_realtek,snd_hda_codec_hdmi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel
snd_hwdep              16384  1 snd_hda_codec
kvm                   536576  1 kvm_intel
ath3k                  20480  0
btusb                  45056  0
cfg80211              565248  4 ath,ath9k_common,ath9k,mac80211
btrtl                  16384  1 btusb
btbcm                  16384  1 btusb
irqbypass              16384  1 kvm
snd_pcm               106496  8 snd_soc_rt5640,snd_soc_core,snd_hda_codec_hdmi,snd_hda_codec,snd_hda_intel,snd_pcm_dmaengine,snd_hda_core
btintel                16384  1 btusb
bluetooth             520192  25 bnep,ath3k,btbcm,btrtl,btusb,btintel
snd_seq_midi           16384  0
dell_wmi               16384  0
snd_seq_midi_event     16384  1 snd_seq_midi
dell_laptop            20480  0
sparse_keymap          16384  1 dell_wmi
snd_rawmidi            32768  1 snd_seq_midi
crct10dif_pclmul       16384  0
crc32_pclmul           16384  0
snd_seq                69632  2 snd_seq_midi_event,snd_seq_midi
aesni_intel           167936  2
aes_x86_64             20480  1 aesni_intel
dcdbas                 16384  1 dell_laptop
lrw                    16384  1 aesni_intel
dell_smm_hwmon         16384  0
gf128mul               16384  1 lrw
glue_helper            16384  1 aesni_intel
snd_seq_device         16384  3 snd_seq,snd_rawmidi,snd_seq_midi
ablk_helper            16384  1 aesni_intel
cryptd                 20480  2 aesni_intel,ablk_helper
joydev                 20480  0
input_leds             16384  0
serio_raw              16384  0
snd_timer              32768  2 snd_pcm,snd_seq
snd                    81920  26 snd_hda_codec_realtek,snd_soc_core,snd_hwdep,snd_timer,snd_hda_codec_hdmi,snd_pcm,snd_seq,snd_rawmidi,snd_hda_codec_generic,snd_hda_codec,snd_hda_intel,snd_seq_device,snd_compress
soundcore              16384  1 snd
dw_dmac                16384  0
dw_dmac_core           24576  1 dw_dmac
elan_i2c               36864  0
mei_me                 36864  0
shpchp                 36864  0
dell_rbtn              16384  0
snd_soc_sst_acpi       16384  0
8250_dw                16384  0
i2c_designware_platform    16384  0
spi_pxa2xx_platform    24576  0
mei                    98304  1 mei_me
i2c_designware_core    20480  1 i2c_designware_platform
lpc_ich                24576  0
mac_hid                16384  0
parport_pc             32768  0
ppdev                  20480  0
lp                     20480  0
parport                49152  3 lp,ppdev,parport_pc
autofs4                40960  2
i915                 1208320  4
i2c_algo_bit           16384  1 i915
drm_kms_helper        139264  1 i915
syscopyarea            16384  1 drm_kms_helper
sysfillrect            16384  1 drm_kms_helper
sysimgblt              16384  1 drm_kms_helper
fb_sys_fops            16384  1 drm_kms_helper
drm                   360448  5 i915,drm_kms_helper
ahci                   36864  3
psmouse               126976  0
r8169                  81920  0
libahci                32768  1 ahci
mii                    16384  1 r8169
wmi                    20480  2 dell_led,dell_wmi
video                  40960  3 i915,dell_wmi,dell_laptop
sdhci_acpi             16384  0
sdhci                  45056  1 sdhci_acpi
i2c_hid                20480  0
hid                   118784  1 i2c_hid
fjes                   28672  0