[media] em28xx: IR RC: move assignment of get_key functions from *_change_protocol() functions to em28xx_ir_init()
[media] em28xx: IR RC: move assignment of get_key functions from *_change_protocol() functions to em28xx_ir_init()

The get_key functions are independent from the selected protocol, so assign
them once only at device initialization.

[ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com: fix a merge conflict]
Signed-off-by: Frank Schäfer <fschaefer.oss@googlemail.com>

Signed-off-by: Mauro Carvalho Chehab <ad86ba2154032c9f55743a190faa2459a9d61d42@redhat.com>

KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas