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video/hdmi: Constify 'buffer' to the unpack functions

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The unpack functions just read from the passed in buffer,
so make it const.

Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Hans Verkuil <hans.verkuil@cisco.com>
Cc: linux-media@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20180920185145.1912-2-ville.syrjala@linux.intel.com
Acked-by: Hans Verkuil <hans.verkuil@cisco.com>
This commit is contained in:
Ville Syrjälä
2018-09-20 21:51:28 +03:00
parent f384d7d514
commit f26e1de5ec
2 changed files with 14 additions and 12 deletions
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3
include/linux/hdmi.h
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@@ -332,7 +332,8 @@ union hdmi_infoframe {
ssize_t
hdmi_infoframe_pack(union hdmi_infoframe *frame, void *buffer, size_t size);
int hdmi_infoframe_unpack(union hdmi_infoframe *frame, void *buffer);
int hdmi_infoframe_unpack(union hdmi_infoframe *frame,
const void *buffer);
void hdmi_infoframe_log(const char *level, struct device *dev,
union hdmi_infoframe *frame);