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staging: greybus: use __force when assigning __u8 value to snd_ctl_elem_type_t 

(struct gb_audio_ctl_elem_info*)->type has the type of __u8 so there is no
concern about the byte order. __force is safe to use.

Found by sparse,

$ make C=2 drivers/staging/greybus/
drivers/staging/greybus/audio_topology.c:185:24: warning: cast to restricted snd_ctl_elem_type_t

Suggested-by: Alex Elder <elder@linaro.org>
Signed-off-by: Coiby Xu <coiby.xu@gmail.com>
Link: https://lore.kernel.org/r/20201002233057.74462-3-coiby.xu@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Coiby Xu 2020-10-03 07:30:56 +08:00 committed by Greg Kroah-Hartman
parent 8bb5b59de7
commit 6c75a92a00
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/greybus/audio_topology.c
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@ -182,7 +182,7 @@ static int gbcodec_mixer_ctl_info(struct snd_kcontrol *kcontrol,
/* update uinfo */
uinfo->access = data->access;
uinfo->count = data->vcount;
uinfo->type = (snd_ctl_elem_type_t)info->type;
uinfo->type = (__force snd_ctl_elem_type_t)info->type;
switch (info->type) {
case GB_AUDIO_CTL_ELEM_TYPE_BOOLEAN: