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Commit b556290f authored by Takashi Iwai's avatar Takashi Iwai
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ALSA: x86: Unify local function prefix 



Use had_ prefix consistently to all local helper functions, as well as
had_pcm_ for PCM ops.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent f4566aa1

sound/x86/intel_hdmi_audio.c

+60 −67
Original line number Diff line number Diff line
@@ -130,7 +130,7 @@ static const struct channel_map_table map_tables[] = { 
};



/* hardware capability structure */

static const struct snd_pcm_hardware snd_intel_hadstream = {

static const struct snd_pcm_hardware had_pcm_hardware = {

	.info =	(SNDRV_PCM_INFO_INTERLEAVED |

		SNDRV_PCM_INFO_DOUBLE |

		SNDRV_PCM_INFO_MMAP|
@@ -213,7 +213,7 @@ static void had_write_register(struct snd_intelhad *ctx, u32 reg, u32 val) 
 * bad audio. The fix is to always write the AUD_CONFIG[6:4] with

 * appropriate value when doing read-modify of AUD_CONFIG register.

 */

static void snd_intelhad_enable_audio(struct snd_pcm_substream *substream,

static void had_enable_audio(struct snd_pcm_substream *substream,

			     struct snd_intelhad *intelhaddata,

			     bool enable)

{
@@ -240,7 +240,7 @@ static void snd_intelhad_enable_audio(struct snd_pcm_substream *substream, 
}



/* enable / disable the audio interface */

static void snd_intelhad_enable_audio_int(struct snd_intelhad *ctx, bool enable)

static void had_enable_audio_int(struct snd_intelhad *ctx, bool enable)

{

	u32 status_reg;
@@ -332,7 +332,7 @@ static int had_prog_status_reg(struct snd_pcm_substream *substream, 
 * registers and buffer confgiuration registers

 * This function is called in the prepare callback

 */

static int snd_intelhad_audio_ctrl(struct snd_pcm_substream *substream,

static int had_init_audio_ctrl(struct snd_pcm_substream *substream,

			       struct snd_intelhad *intelhaddata)

{

	union aud_cfg cfg_val = {.regval = 0};
@@ -393,7 +393,7 @@ static void init_channel_allocations(void) 
 *

 * TODO: it could select the wrong CA from multiple candidates.

 */

static int snd_intelhad_channel_allocation(struct snd_intelhad *intelhaddata,

static int had_channel_allocation(struct snd_intelhad *intelhaddata,

				  int channels)

{

	int i;
@@ -573,7 +573,7 @@ static int had_register_chmap_ctls(struct snd_intelhad *intelhaddata, 
 * Initialize Data Island Packets registers

 * This function is called in the prepare callback

 */

static void snd_intelhad_prog_dip(struct snd_pcm_substream *substream,

static void had_prog_dip(struct snd_pcm_substream *substream,

			 struct snd_intelhad *intelhaddata)

{

	int i;
@@ -589,7 +589,7 @@ static void snd_intelhad_prog_dip(struct snd_pcm_substream *substream, 


	had_write_register(intelhaddata, AUD_CNTL_ST, ctrl_state.regval);



	ca = snd_intelhad_channel_allocation(intelhaddata, channels);

	ca = had_channel_allocation(intelhaddata, channels);

	if (intelhaddata->dp_output) {

		info_frame = DP_INFO_FRAME_WORD1;

		frame2.regval = (substream->runtime->channels - 1) | (ca << 24);
@@ -782,14 +782,14 @@ static int had_calculate_maud_value(u32 aud_samp_freq, u32 link_rate) 
 *

 * @aud_samp_freq: sampling frequency of audio data

 * @tmds: sampling frequency of the display data

 * @link_rate: DP link rate

 * @n_param: N value, depends on aud_samp_freq

 * @intelhaddata: substream private data

 *

 * Program CTS register based on the audio and display sampling frequency

 */

static void snd_intelhad_prog_cts(u32 aud_samp_freq, u32 tmds,

				  u32 link_rate, u32 n_param,

				  struct snd_intelhad *intelhaddata)

static void had_prog_cts(u32 aud_samp_freq, u32 tmds, u32 link_rate,

			 u32 n_param, struct snd_intelhad *intelhaddata)

{

	u32 cts_val;

	u64 dividend, divisor;
@@ -859,7 +859,7 @@ static int had_calculate_n_value(u32 aud_samp_freq) 
 * This function is called in the prepare callback.

 * It programs based on the audio and display sampling frequency

 */

static int snd_intelhad_prog_n(u32 aud_samp_freq, u32 *n_param,

static int had_prog_n(u32 aud_samp_freq, u32 *n_param,

		      struct snd_intelhad *intelhaddata)

{

	int n_val;
@@ -917,7 +917,7 @@ static void snd_intelhad_handle_underrun(struct snd_intelhad *intelhaddata) 
/*

 * ALSA PCM open callback

 */

static int snd_intelhad_open(struct snd_pcm_substream *substream)

static int had_pcm_open(struct snd_pcm_substream *substream)

{

	struct snd_intelhad *intelhaddata;

	struct snd_pcm_runtime *runtime;
@@ -936,7 +936,7 @@ static int snd_intelhad_open(struct snd_pcm_substream *substream) 
	}



	/* set the runtime hw parameter with local snd_pcm_hardware struct */

	runtime->hw = snd_intel_hadstream;

	runtime->hw = had_pcm_hardware;



	retval = snd_pcm_hw_constraint_integer(runtime,

			 SNDRV_PCM_HW_PARAM_PERIODS);
@@ -971,7 +971,7 @@ static int snd_intelhad_open(struct snd_pcm_substream *substream) 
/*

 * ALSA PCM close callback

 */

static int snd_intelhad_close(struct snd_pcm_substream *substream)

static int had_pcm_close(struct snd_pcm_substream *substream)

{

	struct snd_intelhad *intelhaddata;
@@ -995,7 +995,7 @@ static int snd_intelhad_close(struct snd_pcm_substream *substream) 
/*

 * ALSA PCM hw_params callback

 */

static int snd_intelhad_hw_params(struct snd_pcm_substream *substream,

static int had_pcm_hw_params(struct snd_pcm_substream *substream,

			     struct snd_pcm_hw_params *hw_params)

{

	struct snd_intelhad *intelhaddata;
@@ -1026,7 +1026,7 @@ static int snd_intelhad_hw_params(struct snd_pcm_substream *substream, 
/*

 * ALSA PCM hw_free callback

 */

static int snd_intelhad_hw_free(struct snd_pcm_substream *substream)

static int had_pcm_hw_free(struct snd_pcm_substream *substream)

{

	unsigned long addr;

	u32 pages;
@@ -1045,8 +1045,7 @@ static int snd_intelhad_hw_free(struct snd_pcm_substream *substream) 
/*

 * ALSA PCM trigger callback

 */

static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream,

					int cmd)

static int had_pcm_trigger(struct snd_pcm_substream *substream, int cmd)

{

	int retval = 0;

	struct snd_intelhad *intelhaddata;
@@ -1068,8 +1067,8 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream, 
		intelhaddata->stream_info.running = true;



		/* Enable Audio */

		snd_intelhad_enable_audio_int(intelhaddata, true);

		snd_intelhad_enable_audio(substream, intelhaddata, true);

		had_enable_audio_int(intelhaddata, true);

		had_enable_audio(substream, intelhaddata, true);

		break;



	case SNDRV_PCM_TRIGGER_STOP:
@@ -1082,11 +1081,11 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream, 
		intelhaddata->stream_info.running = false;

		spin_unlock(&intelhaddata->had_spinlock);

		/* Disable Audio */

		snd_intelhad_enable_audio_int(intelhaddata, false);

		snd_intelhad_enable_audio(substream, intelhaddata, false);

		had_enable_audio_int(intelhaddata, false);

		had_enable_audio(substream, intelhaddata, false);

		/* Reset buffer pointers */

		had_reset_audio(intelhaddata);

		snd_intelhad_enable_audio_int(intelhaddata, false);

		had_enable_audio_int(intelhaddata, false);

		break;



	default:
@@ -1098,7 +1097,7 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream, 
/*

 * ALSA PCM prepare callback

 */

static int snd_intelhad_pcm_prepare(struct snd_pcm_substream *substream)

static int had_pcm_prepare(struct snd_pcm_substream *substream)

{

	int retval;

	u32 disp_samp_freq, n_param;
@@ -1131,8 +1130,7 @@ static int snd_intelhad_pcm_prepare(struct snd_pcm_substream *substream) 
	/* Get N value in KHz */

	disp_samp_freq = intelhaddata->tmds_clock_speed;



	retval = snd_intelhad_prog_n(substream->runtime->rate, &n_param,

				     intelhaddata);

	retval = had_prog_n(substream->runtime->rate, &n_param, intelhaddata);

	if (retval) {

		dev_err(intelhaddata->dev,

			"programming N value failed %#x\n", retval);
@@ -1142,13 +1140,12 @@ static int snd_intelhad_pcm_prepare(struct snd_pcm_substream *substream) 
	if (intelhaddata->dp_output)

		link_rate = intelhaddata->link_rate;



	snd_intelhad_prog_cts(substream->runtime->rate,

			      disp_samp_freq, link_rate,

	had_prog_cts(substream->runtime->rate, disp_samp_freq, link_rate,

		     n_param, intelhaddata);



	snd_intelhad_prog_dip(substream, intelhaddata);

	had_prog_dip(substream, intelhaddata);



	retval = snd_intelhad_audio_ctrl(substream, intelhaddata);

	retval = had_init_audio_ctrl(substream, intelhaddata);



	/* Prog buffer address */

	retval = snd_intelhad_prog_buffer(substream, intelhaddata,
@@ -1168,8 +1165,7 @@ static int snd_intelhad_pcm_prepare(struct snd_pcm_substream *substream) 
/*

 * ALSA PCM pointer callback

 */

static snd_pcm_uframes_t

snd_intelhad_pcm_pointer(struct snd_pcm_substream *substream)

static snd_pcm_uframes_t had_pcm_pointer(struct snd_pcm_substream *substream)

{

	struct snd_intelhad *intelhaddata;

	u32 bytes_rendered = 0;
@@ -1219,7 +1215,7 @@ snd_intelhad_pcm_pointer(struct snd_pcm_substream *substream) 
/*

 * ALSA PCM mmap callback

 */

static int snd_intelhad_pcm_mmap(struct snd_pcm_substream *substream,

static int had_pcm_mmap(struct snd_pcm_substream *substream,

			struct vm_area_struct *vma)

{

	vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
@@ -1231,20 +1227,20 @@ static int snd_intelhad_pcm_mmap(struct snd_pcm_substream *substream, 
/*

 * ALSA PCM ops

 */

static const struct snd_pcm_ops snd_intelhad_playback_ops = {

	.open =		snd_intelhad_open,

	.close =	snd_intelhad_close,

static const struct snd_pcm_ops had_pcm_ops = {

	.open =		had_pcm_open,

	.close =	had_pcm_close,

	.ioctl =	snd_pcm_lib_ioctl,

	.hw_params =	snd_intelhad_hw_params,

	.hw_free =	snd_intelhad_hw_free,

	.prepare =	snd_intelhad_pcm_prepare,

	.trigger =	snd_intelhad_pcm_trigger,

	.pointer =	snd_intelhad_pcm_pointer,

	.mmap =	snd_intelhad_pcm_mmap,

	.hw_params =	had_pcm_hw_params,

	.hw_free =	had_pcm_hw_free,

	.prepare =	had_pcm_prepare,

	.trigger =	had_pcm_trigger,

	.pointer =	had_pcm_pointer,

	.mmap =		had_pcm_mmap,

};



/* process mode change of the running stream; called in mutex */

static int hdmi_audio_mode_change(struct snd_intelhad *intelhaddata)

static int had_process_mode_change(struct snd_intelhad *intelhaddata)

{

	struct snd_pcm_substream *substream;

	int retval = 0;
@@ -1256,13 +1252,12 @@ static int hdmi_audio_mode_change(struct snd_intelhad *intelhaddata) 
		return 0;



	/* Disable Audio */

	snd_intelhad_enable_audio(substream, intelhaddata, false);

	had_enable_audio(substream, intelhaddata, false);



	/* Update CTS value */

	disp_samp_freq = intelhaddata->tmds_clock_speed;



	retval = snd_intelhad_prog_n(substream->runtime->rate, &n_param,

				     intelhaddata);

	retval = had_prog_n(substream->runtime->rate, &n_param, intelhaddata);

	if (retval) {

		dev_err(intelhaddata->dev,

			"programming N value failed %#x\n", retval);
@@ -1272,12 +1267,11 @@ static int hdmi_audio_mode_change(struct snd_intelhad *intelhaddata) 
	if (intelhaddata->dp_output)

		link_rate = intelhaddata->link_rate;



	snd_intelhad_prog_cts(substream->runtime->rate,

			      disp_samp_freq, link_rate,

	had_prog_cts(substream->runtime->rate, disp_samp_freq, link_rate,

		     n_param, intelhaddata);



	/* Enable Audio */

	snd_intelhad_enable_audio(substream, intelhaddata, true);

	had_enable_audio(substream, intelhaddata, true);



out:

	had_substream_put(intelhaddata);
@@ -1510,8 +1504,8 @@ static void had_process_hot_unplug(struct snd_intelhad *intelhaddata) 
	}



	/* Disable Audio */

	snd_intelhad_enable_audio_int(intelhaddata, false);

	snd_intelhad_enable_audio(substream, intelhaddata, false);

	had_enable_audio_int(intelhaddata, false);

	had_enable_audio(substream, intelhaddata, false);



	intelhaddata->connected = false;

	dev_dbg(intelhaddata->dev,
@@ -1712,7 +1706,7 @@ static void had_audio_wq(struct work_struct *work) 
		had_process_hot_plug(ctx);



		/* Process mode change if stream is active */

		hdmi_audio_mode_change(ctx);

		had_process_mode_change(ctx);

	}

	mutex_unlock(&ctx->mutex);

	pm_runtime_put(ctx->dev);
@@ -1862,8 +1856,7 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev) 
	pcm->info_flags = 0;

	strncpy(pcm->name, card->shortname, strlen(card->shortname));

	/* setup the ops for playabck */

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK,

			    &snd_intelhad_playback_ops);

	snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &had_pcm_ops);



	/* only 32bit addressable */

	dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
@@ -1923,7 +1916,7 @@ static int hdmi_lpe_audio_remove(struct platform_device *pdev) 
	struct snd_intelhad *ctx = platform_get_drvdata(pdev);



	if (ctx->connected)

		snd_intelhad_enable_audio_int(ctx, false);

		had_enable_audio_int(ctx, false);

	snd_card_free(ctx->card);

	return 0;

}