Bernard Zhao bernard@vivo.com 於 2020年10月13日 週二 下午4:55寫道：
Function mtk_hdmi_aud_set_input always return 0, no need to keep the return value. Functions mtk_hdmi_aud_enable_packet & mtk_hdmi_aud_on_off_hw_ncts are the same, these two functions just call next functions. Maybe it`s a bit better to just call the inner function.
Reviewed-by: Chun-Kuang Hu chunkuang.hu@kernel.org
Signed-off-by: Bernard Zhao bernard@vivo.com
drivers/gpu/drm/mediatek/mtk_hdmi.c | 27 +++++++-------------------- 1 file changed, 7 insertions(+), 20 deletions(-)
diff --git a/drivers/gpu/drm/mediatek/mtk_hdmi.c b/drivers/gpu/drm/mediatek/mtk_hdmi.c index a97725680d4e..f1d987df0550 100644 --- a/drivers/gpu/drm/mediatek/mtk_hdmi.c +++ b/drivers/gpu/drm/mediatek/mtk_hdmi.c @@ -870,19 +870,8 @@ static void mtk_hdmi_video_set_display_mode(struct mtk_hdmi *hdmi, mtk_hdmi_hw_msic_setting(hdmi, mode); }
-static int mtk_hdmi_aud_enable_packet(struct mtk_hdmi *hdmi, bool enable) -{
mtk_hdmi_hw_send_aud_packet(hdmi, enable);return 0;-}
-static int mtk_hdmi_aud_on_off_hw_ncts(struct mtk_hdmi *hdmi, bool on) -{
mtk_hdmi_hw_ncts_enable(hdmi, on);return 0;-}
-static int mtk_hdmi_aud_set_input(struct mtk_hdmi *hdmi) +static void mtk_hdmi_aud_set_input(struct mtk_hdmi *hdmi) { enum hdmi_aud_channel_type chan_type; u8 chan_count; @@ -912,8 +901,6 @@ static int mtk_hdmi_aud_set_input(struct mtk_hdmi *hdmi) chan_count = mtk_hdmi_aud_get_chnl_count(chan_type); mtk_hdmi_hw_aud_set_i2s_chan_num(hdmi, chan_type, chan_count); mtk_hdmi_hw_aud_set_input_type(hdmi, hdmi->aud_param.aud_input_type);
return 0;}
static int mtk_hdmi_aud_set_src(struct mtk_hdmi *hdmi, @@ -921,7 +908,7 @@ static int mtk_hdmi_aud_set_src(struct mtk_hdmi *hdmi, { unsigned int sample_rate = hdmi->aud_param.codec_params.sample_rate;
mtk_hdmi_aud_on_off_hw_ncts(hdmi, false);
mtk_hdmi_hw_ncts_enable(hdmi, false); mtk_hdmi_hw_aud_src_disable(hdmi); mtk_hdmi_clear_bits(hdmi, GRL_CFG2, CFG2_ACLK_INV);@@ -959,7 +946,7 @@ static int mtk_hdmi_aud_output_config(struct mtk_hdmi *hdmi, struct drm_display_mode *display_mode) { mtk_hdmi_hw_aud_mute(hdmi);
mtk_hdmi_aud_enable_packet(hdmi, false);
mtk_hdmi_hw_send_aud_packet(hdmi, false); mtk_hdmi_aud_set_input(hdmi); mtk_hdmi_aud_set_src(hdmi, display_mode);@@ -968,8 +955,8 @@ static int mtk_hdmi_aud_output_config(struct mtk_hdmi *hdmi,
usleep_range(50, 100);
mtk_hdmi_aud_on_off_hw_ncts(hdmi, true);mtk_hdmi_aud_enable_packet(hdmi, true);
mtk_hdmi_hw_ncts_enable(hdmi, true);mtk_hdmi_hw_send_aud_packet(hdmi, true); mtk_hdmi_hw_aud_unmute(hdmi); return 0;} @@ -1097,13 +1084,13 @@ static int mtk_hdmi_output_init(struct mtk_hdmi *hdmi)
static void mtk_hdmi_audio_enable(struct mtk_hdmi *hdmi) {
mtk_hdmi_aud_enable_packet(hdmi, true);
mtk_hdmi_hw_send_aud_packet(hdmi, true); hdmi->audio_enable = true;}
static void mtk_hdmi_audio_disable(struct mtk_hdmi *hdmi) {
mtk_hdmi_aud_enable_packet(hdmi, false);
mtk_hdmi_hw_send_aud_packet(hdmi, false); hdmi->audio_enable = false;}
-- 2.28.0