提交 188af070 编写于 作者: B Baoyou Xie 提交者: Daniel Vetter

drm/mediatek: mark symbols static where possible

We get 4 warnings when building kernel with W=1:
drivers/gpu/drm/mediatek/mtk_hdmi.c:1089:6: warning: no previous prototype for 'mtk_hdmi_audio_enable' [-Wmissing-prototypes]
drivers/gpu/drm/mediatek/mtk_hdmi.c:1095:6: warning: no previous prototype for 'mtk_hdmi_audio_disable' [-Wmissing-prototypes]
drivers/gpu/drm/mediatek/mtk_hdmi.c:1101:5: warning: no previous prototype for 'mtk_hdmi_audio_set_param' [-Wmissing-prototypes]
drivers/gpu/drm/mediatek/mtk_hdmi.c:1627:5: warning: no previous prototype for 'mtk_hdmi_audio_digital_mute' [-Wmissing-prototypes]

In fact, both functions are only used in the file in which they are
declared and don't need a declaration, but can be made static.
So this patch marks both functions with 'static'.
Signed-off-by: NBaoyou Xie <baoyou.xie@linaro.org>
[seanpaul fixed checkpatch warning for argument alignment]
Signed-off-by: NSean Paul <seanpaul@chromium.org>
Link: http://patchwork.freedesktop.org/patch/msgid/1474789109-22010-2-git-send-email-baoyou.xie@linaro.org
上级 62398177
......@@ -1086,20 +1086,20 @@ static int mtk_hdmi_output_init(struct mtk_hdmi *hdmi)
return 0;
}
void mtk_hdmi_audio_enable(struct mtk_hdmi *hdmi)
static void mtk_hdmi_audio_enable(struct mtk_hdmi *hdmi)
{
mtk_hdmi_aud_enable_packet(hdmi, true);
hdmi->audio_enable = true;
}
void mtk_hdmi_audio_disable(struct mtk_hdmi *hdmi)
static void mtk_hdmi_audio_disable(struct mtk_hdmi *hdmi)
{
mtk_hdmi_aud_enable_packet(hdmi, false);
hdmi->audio_enable = false;
}
int mtk_hdmi_audio_set_param(struct mtk_hdmi *hdmi,
struct hdmi_audio_param *param)
static int mtk_hdmi_audio_set_param(struct mtk_hdmi *hdmi,
struct hdmi_audio_param *param)
{
if (!hdmi->audio_enable) {
dev_err(hdmi->dev, "hdmi audio is in disable state!\n");
......@@ -1624,7 +1624,8 @@ static void mtk_hdmi_audio_shutdown(struct device *dev, void *data)
mtk_hdmi_audio_disable(hdmi);
}
int mtk_hdmi_audio_digital_mute(struct device *dev, void *data, bool enable)
static int
mtk_hdmi_audio_digital_mute(struct device *dev, void *data, bool enable)
{
struct mtk_hdmi *hdmi = dev_get_drvdata(dev);
......
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