ALSA: x86: Drop indirect calls of had_ops

We have only a single implementation of had_ops, hence there is no
merit to use the indirect calls at all.  Let's replace it with the
direct calls -- which allows the compiler more optimizations.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index 1e0bc72..84ce4e0 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -280,13 +280,12 @@
 	return had_read_modify(AUD_CONFIG, data, mask);
 }
 
-static void snd_intelhad_enable_audio_v2(struct snd_pcm_substream *substream,
-					u8 enable)
+void snd_intelhad_enable_audio(struct snd_pcm_substream *substream, u8 enable)
 {
 	had_read_modify_aud_config_v2(substream, enable, BIT(0));
 }
 
-static void snd_intelhad_reset_audio_v2(u8 reset)
+static void snd_intelhad_reset_audio(u8 reset)
 {
 	had_write_register(AUD_HDMI_STATUS_v2, reset);
 }
@@ -359,13 +358,13 @@
 	return 0;
 }
 
-/**
+/*
  * function to initialize audio
  * registers and buffer confgiuration registers
  * This function is called in the prepare callback
  */
-static int snd_intelhad_prog_audio_ctrl_v2(struct snd_pcm_substream *substream,
-					struct snd_intelhad *intelhaddata)
+static int snd_intelhad_audio_ctrl(struct snd_pcm_substream *substream,
+				   struct snd_intelhad *intelhaddata)
 {
 	union aud_cfg cfg_val = {.cfg_regval = 0};
 	union aud_buf_config buf_cfg = {.buf_cfgval = 0};
@@ -596,16 +595,16 @@
 	return 0;
 }
 
-/**
- * snd_intelhad_prog_dip_v2 - to initialize Data Island Packets registers
+/*
+ * snd_intelhad_prog_dip - to initialize Data Island Packets registers
  *
  * @substream:substream for which the prepare function is called
  * @intelhaddata:substream private data
  *
  * This function is called in the prepare callback
  */
-static void snd_intelhad_prog_dip_v2(struct snd_pcm_substream *substream,
-				struct snd_intelhad *intelhaddata)
+static void snd_intelhad_prog_dip(struct snd_pcm_substream *substream,
+				  struct snd_intelhad *intelhaddata)
 {
 	int i;
 	union aud_ctrl_st ctrl_state = {.ctrl_val = 0};
@@ -815,8 +814,8 @@
 	return maud_val;
 }
 
-/**
- * snd_intelhad_prog_cts_v2 - Program HDMI audio CTS value
+/*
+ * snd_intelhad_prog_cts - Program HDMI audio CTS value
  *
  * @aud_samp_freq: sampling frequency of audio data
  * @tmds: sampling frequency of the display data
@@ -825,9 +824,9 @@
  *
  * Program CTS register based on the audio and display sampling frequency
  */
-static void snd_intelhad_prog_cts_v2(u32 aud_samp_freq, u32 tmds,
-				     u32 link_rate, u32 n_param,
-				     struct snd_intelhad *intelhaddata)
+static void snd_intelhad_prog_cts(u32 aud_samp_freq, u32 tmds,
+				  u32 link_rate, u32 n_param,
+				  struct snd_intelhad *intelhaddata)
 {
 	u32 cts_val;
 	u64 dividend, divisor;
@@ -887,8 +886,8 @@
 	return n_val;
 }
 
-/**
- * snd_intelhad_prog_n_v2 - Program HDMI audio N value
+/*
+ * snd_intelhad_prog_n - Program HDMI audio N value
  *
  * @aud_samp_freq: sampling frequency of audio data
  * @n_param: N value, depends on aud_samp_freq
@@ -897,8 +896,8 @@
  * This function is called in the prepare callback.
  * It programs based on the audio and display sampling frequency
  */
-static int snd_intelhad_prog_n_v2(u32 aud_samp_freq, u32 *n_param,
-				struct snd_intelhad *intelhaddata)
+static int snd_intelhad_prog_n(u32 aud_samp_freq, u32 *n_param,
+			       struct snd_intelhad *intelhaddata)
 {
 	s32 n_val;
 
@@ -923,7 +922,7 @@
 	return 0;
 }
 
-static void had_clear_underrun_intr_v2(struct snd_intelhad *intelhaddata)
+void snd_intelhad_handle_underrun(struct snd_intelhad *intelhaddata)
 {
 	u32 hdmi_status, i = 0;
 
@@ -1209,7 +1208,7 @@
 		caps = HDMI_AUDIO_BUFFER_DONE;
 		retval = had_set_caps(HAD_SET_ENABLE_AUDIO_INT, &caps);
 		retval = had_set_caps(HAD_SET_ENABLE_AUDIO, NULL);
-		intelhaddata->ops->enable_audio(substream, 1);
+		snd_intelhad_enable_audio(substream, 1);
 
 		pr_debug("Processed _Start\n");
 
@@ -1232,10 +1231,10 @@
 		 */
 		caps = HDMI_AUDIO_BUFFER_DONE;
 		had_set_caps(HAD_SET_DISABLE_AUDIO_INT, &caps);
-		intelhaddata->ops->enable_audio(substream, 0);
+		snd_intelhad_enable_audio(substream, 0);
 		/* Reset buffer pointers */
-		intelhaddata->ops->reset_audio(1);
-		intelhaddata->ops->reset_audio(0);
+		snd_intelhad_reset_audio(1);
+		snd_intelhad_reset_audio(0);
 		stream->stream_status = STREAM_DROPPED;
 		had_set_caps(HAD_SET_DISABLE_AUDIO, NULL);
 		break;
@@ -1304,8 +1303,8 @@
 	had_get_caps(HAD_GET_ELD, &intelhaddata->eeld);
 	had_get_caps(HAD_GET_DP_OUTPUT, &intelhaddata->dp_output);
 
-	retval = intelhaddata->ops->prog_n(substream->runtime->rate, &n_param,
-								intelhaddata);
+	retval = snd_intelhad_prog_n(substream->runtime->rate, &n_param,
+				     intelhaddata);
 	if (retval) {
 		pr_err("programming N value failed %#x\n", retval);
 		goto prep_end;
@@ -1315,13 +1314,13 @@
 		had_get_caps(HAD_GET_LINK_RATE, &link_rate);
 
 
-	intelhaddata->ops->prog_cts(substream->runtime->rate,
-				    disp_samp_freq, link_rate,
-				    n_param, intelhaddata);
+	snd_intelhad_prog_cts(substream->runtime->rate,
+			      disp_samp_freq, link_rate,
+			      n_param, intelhaddata);
 
-	intelhaddata->ops->prog_dip(substream, intelhaddata);
+	snd_intelhad_prog_dip(substream, intelhaddata);
 
-	retval = intelhaddata->ops->audio_ctrl(substream, intelhaddata);
+	retval = snd_intelhad_audio_ctrl(substream, intelhaddata);
 
 	/* Prog buffer address */
 	retval = snd_intelhad_prog_buffer(intelhaddata,
@@ -1431,7 +1430,7 @@
 	intelhaddata = snd_pcm_substream_chip(substream);
 
 	/* Disable Audio */
-	intelhaddata->ops->enable_audio(substream, 0);
+	snd_intelhad_enable_audio(substream, 0);
 
 	/* Update CTS value */
 	retval = had_get_caps(HAD_GET_DISPLAY_RATE, &disp_samp_freq);
@@ -1440,8 +1439,8 @@
 		goto out;
 	}
 
-	retval = intelhaddata->ops->prog_n(substream->runtime->rate, &n_param,
-								intelhaddata);
+	retval = snd_intelhad_prog_n(substream->runtime->rate, &n_param,
+				     intelhaddata);
 	if (retval) {
 		pr_err("programming N value failed %#x\n", retval);
 		goto out;
@@ -1450,12 +1449,12 @@
 	if (intelhaddata->dp_output)
 		had_get_caps(HAD_GET_LINK_RATE, &link_rate);
 
-	intelhaddata->ops->prog_cts(substream->runtime->rate,
-				    disp_samp_freq, link_rate,
-				    n_param, intelhaddata);
+	snd_intelhad_prog_cts(substream->runtime->rate,
+			      disp_samp_freq, link_rate,
+			      n_param, intelhaddata);
 
 	/* Enable Audio */
-	intelhaddata->ops->enable_audio(substream, 1);
+	snd_intelhad_enable_audio(substream, 1);
 
 out:
 	return retval;
@@ -1582,15 +1581,6 @@
 	.resume =       hdmi_audio_resume,
 };
 
-static struct had_ops had_ops_v2 = {
-	.enable_audio = snd_intelhad_enable_audio_v2,
-	.reset_audio = snd_intelhad_reset_audio_v2,
-	.prog_n =	snd_intelhad_prog_n_v2,
-	.prog_cts =	snd_intelhad_prog_cts_v2,
-	.audio_ctrl =	snd_intelhad_prog_audio_ctrl_v2,
-	.prog_dip =	snd_intelhad_prog_dip_v2,
-	.handle_underrun = had_clear_underrun_intr_v2,
-};
 /**
  * hdmi_audio_probe - to create sound card instance for HDMI audio playabck
  *
@@ -1731,7 +1721,6 @@
 	}
 
 	intelhaddata->hw_silence = 1;
-	intelhaddata->ops = &had_ops_v2;
 
 	return retval;
 err: