Commit 2e52f5e5 authored by Takashi Iwai's avatar Takashi Iwai
Browse files

ALSA: x86: Tidy up codes



Clean up codes, fix indentations, correct comments, etc.
No functional change.

Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
parent 79f439ea
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+59 −89
Original line number Diff line number Diff line
@@ -285,7 +285,7 @@ static void snd_intelhad_reset_audio(struct snd_intelhad *intelhaddata,
	had_write_register(intelhaddata, AUD_HDMI_STATUS_v2, reset);
}

/**
/*
 * initialize audio channel status registers
 * This function is called in the prepare callback
 */
@@ -330,9 +330,8 @@ static int had_prog_status_reg(struct snd_pcm_substream *substream,
	default:
		/* control should never come here */
		return -EINVAL;
	break;

	}

	had_write_register(intelhaddata,
			   AUD_CH_STATUS_0, ch_stat0.status_0_regval);

@@ -348,6 +347,7 @@ static int had_prog_status_reg(struct snd_pcm_substream *substream,
		ch_stat1.status_1_regx.max_wrd_len = 0;
		ch_stat1.status_1_regx.wrd_len = 0;
	}

	had_write_register(intelhaddata,
			   AUD_CH_STATUS_1, ch_stat1.status_1_regval);
	return 0;
@@ -466,14 +466,14 @@ static int spk_to_chmap(int spk)

static void had_build_channel_allocation_map(struct snd_intelhad *intelhaddata)
{
	int i = 0, c = 0;
	int i, c;
	int spk_mask = 0;
	struct snd_pcm_chmap_elem *chmap;
	u8 eld_high, eld_high_mask = 0xF0;
	u8 high_msb;

	chmap = kzalloc(sizeof(*chmap), GFP_KERNEL);
	if (chmap == NULL) {
	if (!chmap) {
		intelhaddata->chmap->chmap = NULL;
		return;
	}
@@ -550,12 +550,12 @@ static int had_chmap_ctl_get(struct snd_kcontrol *kcontrol,
{
	struct snd_pcm_chmap *info = snd_kcontrol_chip(kcontrol);
	struct snd_intelhad *intelhaddata = info->private_data;
	int i = 0;
	int i;
	const struct snd_pcm_chmap_elem *chmap;

	if (intelhaddata->drv_status == HAD_DRV_DISCONNECTED)
		return -ENODEV;
	if (intelhaddata->chmap->chmap ==  NULL)
	if (!intelhaddata->chmap->chmap)
		return -ENODATA;
	chmap = intelhaddata->chmap->chmap;
	for (i = 0; i < chmap->channels; i++)
@@ -567,7 +567,7 @@ static int had_chmap_ctl_get(struct snd_kcontrol *kcontrol,
static int had_register_chmap_ctls(struct snd_intelhad *intelhaddata,
						struct snd_pcm *pcm)
{
	int err = 0;
	int err;

	err = snd_pcm_add_chmap_ctls(pcm, SNDRV_PCM_STREAM_PLAYBACK,
			NULL, 0, (unsigned long)intelhaddata,
@@ -639,10 +639,8 @@ static void snd_intelhad_prog_dip(struct snd_pcm_substream *substream,
	had_write_register(intelhaddata, AUD_CNTL_ST, ctrl_state.ctrl_val);
}

/**
 * snd_intelhad_prog_buffer - programs buffer
 * address and length registers
 *
/*
 * snd_intelhad_prog_buffer - programs buffer address and length registers
 * @substream:substream for which the prepare function is called
 * @intelhaddata:substream private data
 *
@@ -684,7 +682,7 @@ static int snd_intelhad_prog_buffer(struct snd_intelhad *intelhaddata,
			intelhaddata->buf_info[i].buf_size = period_bytes;
		else
			intelhaddata->buf_info[i].buf_size = ring_buf_size -
							(period_bytes*i);
							(i * period_bytes);

		had_write_register(intelhaddata,
				   AUD_BUF_A_ADDR + (i * HAD_REG_WIDTH),
@@ -836,7 +834,7 @@ static void snd_intelhad_prog_cts(u32 aud_samp_freq, u32 tmds,

static int had_calculate_n_value(u32 aud_samp_freq)
{
	s32 n_val;
	int n_val;

	/* Select N according to HDMI 1.3a spec*/
	switch (aud_samp_freq) {
@@ -888,7 +886,7 @@ static int had_calculate_n_value(u32 aud_samp_freq)
static int snd_intelhad_prog_n(u32 aud_samp_freq, u32 *n_param,
			       struct snd_intelhad *intelhaddata)
{
	s32 n_val;
	int n_val;

	if (intelhaddata->dp_output) {
		/*
@@ -920,7 +918,7 @@ static void snd_intelhad_handle_underrun(struct snd_intelhad *intelhaddata)
	/* Reset buffer pointers */
	had_write_register(intelhaddata, AUD_HDMI_STATUS_v2, 1);
	had_write_register(intelhaddata, AUD_HDMI_STATUS_v2, 0);
	/**
	/*
	 * The interrupt status 'sticky' bits might not be cleared by
	 * setting '1' to that bit once...
	 */
@@ -939,7 +937,7 @@ static void snd_intelhad_handle_underrun(struct snd_intelhad *intelhaddata)
		dev_err(intelhaddata->dev, "Unable to clear UNDERRUN bits\n");
}

/**
/*
 * snd_intelhad_open - stream initializations are done here
 * @substream:substream for which the stream function is called
 *
@@ -1029,25 +1027,8 @@ static void had_period_elapsed(struct snd_pcm_substream *substream)
	snd_pcm_period_elapsed(substream);
}

/**
 * snd_intelhad_init_stream - internal function to initialize stream info
 * @substream:substream for which the stream function is called
 *
 */
static int snd_intelhad_init_stream(struct snd_pcm_substream *substream)
{
	struct snd_intelhad *intelhaddata = snd_pcm_substream_chip(substream);

	intelhaddata->stream_info.had_substream = substream;
	intelhaddata->stream_info.buffer_ptr = 0;
	intelhaddata->stream_info.buffer_rendered = 0;
	intelhaddata->stream_info.sfreq = substream->runtime->rate;
	return 0;
}

/**
/*
 * snd_intelhad_close - to free parameteres when stream is stopped
 *
 * @substream:  substream for which the function is called
 *
 * This function is called by ALSA framework when stream is stopped
@@ -1081,10 +1062,9 @@ static int snd_intelhad_close(struct snd_pcm_substream *substream)
	return 0;
}

/**
/*
 * snd_intelhad_hw_params - to setup the hardware parameters
 *   like allocating the buffers
 *
 * @substream: substream for which the function is called
 * @hw_params: hardware parameters
 *
@@ -1121,14 +1101,12 @@ static int snd_intelhad_hw_params(struct snd_pcm_substream *substream,
	return retval;
}

/**
/*
 * snd_intelhad_hw_free - to release the resources allocated during
 *   hardware params setup
 *
 * @substream:  substream for which the function is called
 *
 * This function is called by ALSA framework before close callback.
 *
 */
static int snd_intelhad_hw_free(struct snd_pcm_substream *substream)
{
@@ -1146,10 +1124,11 @@ static int snd_intelhad_hw_free(struct snd_pcm_substream *substream)
	return 0;
}

/**
/*
 * snd_intelhad_pcm_trigger - stream activities are handled here
 * @substream: substream for which the stream function is called
 * @cmd: the stream commamd thats requested from upper layer
 *
 * This function is called whenever an a stream activity is invoked
 */
static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream,
@@ -1208,9 +1187,8 @@ static int snd_intelhad_pcm_trigger(struct snd_pcm_substream *substream,
	return retval;
}

/**
/*
 * snd_intelhad_pcm_prepare - internal preparation before starting a stream
 *
 * @substream: substream for which the function is called
 *
 * This function is called when a stream is started for internal preparation.
@@ -1252,10 +1230,10 @@ static int snd_intelhad_pcm_prepare(struct snd_pcm_substream *substream)
		return retval;
	}

	retval = snd_intelhad_init_stream(substream);
	if (retval)
		goto prep_end;

	intelhaddata->stream_info.had_substream = substream;
	intelhaddata->stream_info.buffer_ptr = 0;
	intelhaddata->stream_info.buffer_rendered = 0;
	intelhaddata->stream_info.sfreq = substream->runtime->rate;

	/* Get N value in KHz */
	disp_samp_freq = intelhaddata->tmds_clock_speed;
@@ -1294,9 +1272,8 @@ prep_end:
	return retval;
}

/**
/*
 * snd_intelhad_pcm_pointer- to send the current buffer pointerprocessed by hw
 *
 * @substream: substream for which the function is called
 *
 * This function is called by ALSA framework to get the current hw buffer ptr
@@ -1359,9 +1336,8 @@ static snd_pcm_uframes_t snd_intelhad_pcm_pointer(
	return intelhaddata->stream_info.buffer_ptr;
}

/**
/*
 * snd_intelhad_pcm_mmap- mmaps a kernel buffer to user space for copying data
 *
 * @substream: substream for which the function is called
 * @vma: struct instance of memory VMM memory area
 *
@@ -1418,11 +1394,9 @@ out:

/*
 * hdmi_lpe_audio_suspend - power management suspend function
 *
 * @pdev: platform device
 *
 * This function is called by client driver to suspend the
 * hdmi audio.
 * This function is called to suspend the hdmi audio.
 */
static int hdmi_lpe_audio_suspend(struct platform_device *pdev,
				  pm_message_t state)
@@ -1465,11 +1439,9 @@ static int hdmi_lpe_audio_suspend(struct platform_device *pdev,

/*
 * hdmi_lpe_audio_resume - power management resume function
 *
 * @pdev: platform device
 *
 * This function is called by client driver to resume the
 * hdmi audio.
 * This function is called to resume the hdmi audio.
 */
static int hdmi_lpe_audio_resume(struct platform_device *pdev)
{
@@ -1939,8 +1911,7 @@ static void hdmi_lpe_audio_free(struct snd_card *card)
 * hdmi_lpe_audio_probe - start bridge with i915
 *
 * This function is called when the i915 driver creates the
 * hdmi-lpe-audio platform device. Card creation is deferred until a
 * hot plug event is received
 * hdmi-lpe-audio platform device.
 */
static int hdmi_lpe_audio_probe(struct platform_device *pdev)
{
@@ -2084,8 +2055,7 @@ err:
/*
 * hdmi_lpe_audio_remove - stop bridge with i915
 *
 * This function is called when the platform device is destroyed. The sound
 * card should have been removed on hot plug event.
 * This function is called when the platform device is destroyed.
 */
static int hdmi_lpe_audio_remove(struct platform_device *pdev)
{