ALSA: x86: Drop superfluous state field
The state field keeps the connection state and it's basically as same as drv_status field. Drop this redundancy. Signed-off-by: Takashi Iwai <tiwai@suse.de>
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@ -1644,7 +1644,7 @@ static int had_process_buffer_underrun(struct snd_intelhad *intelhaddata)
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}
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/* process hot plug, called from wq with mutex locked */
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static int had_process_hot_plug(struct snd_intelhad *intelhaddata)
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static void had_process_hot_plug(struct snd_intelhad *intelhaddata)
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{
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enum intel_had_aud_buf_type buf_id;
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struct snd_pcm_substream *substream;
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@ -1657,8 +1657,9 @@ static int had_process_hot_plug(struct snd_intelhad *intelhaddata)
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if (intelhaddata->drv_status == HAD_DRV_CONNECTED) {
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dev_dbg(intelhaddata->dev, "Device already connected\n");
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spin_unlock_irq(&intelhaddata->had_spinlock);
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return 0;
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return;
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}
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buf_id = intelhaddata->curr_buf;
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intelhaddata->buff_done = buf_id;
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intelhaddata->drv_status = HAD_DRV_CONNECTED;
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@ -1679,12 +1680,10 @@ static int had_process_hot_plug(struct snd_intelhad *intelhaddata)
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}
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had_build_channel_allocation_map(intelhaddata);
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return 0;
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}
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/* process hot unplug, called from wq with mutex locked */
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static int had_process_hot_unplug(struct snd_intelhad *intelhaddata)
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static void had_process_hot_unplug(struct snd_intelhad *intelhaddata)
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{
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enum intel_had_aud_buf_type buf_id;
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struct had_stream_data *had_stream;
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@ -1697,14 +1696,14 @@ static int had_process_hot_unplug(struct snd_intelhad *intelhaddata)
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if (intelhaddata->drv_status == HAD_DRV_DISCONNECTED) {
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dev_dbg(intelhaddata->dev, "Device already disconnected\n");
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spin_unlock_irq(&intelhaddata->had_spinlock);
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return 0;
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return;
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} else {
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/* Disable Audio */
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snd_intelhad_enable_audio_int(intelhaddata, false);
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snd_intelhad_enable_audio(intelhaddata, false);
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}
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/* Disable Audio */
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snd_intelhad_enable_audio_int(intelhaddata, false);
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snd_intelhad_enable_audio(intelhaddata, false);
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intelhaddata->drv_status = HAD_DRV_DISCONNECTED;
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dev_dbg(intelhaddata->dev,
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"%s @ %d:DEBUG PLUG/UNPLUG : HAD_DRV_DISCONNECTED\n",
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@ -1722,8 +1721,6 @@ static int had_process_hot_unplug(struct snd_intelhad *intelhaddata)
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spin_unlock_irq(&intelhaddata->had_spinlock);
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kfree(intelhaddata->chmap->chmap);
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intelhaddata->chmap->chmap = NULL;
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return 0;
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}
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/* PCM operations structure and the calls back for the same */
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@ -1847,18 +1844,13 @@ static void had_audio_wq(struct work_struct *work)
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if (!pdata->hdmi_connected) {
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dev_dbg(ctx->dev, "%s: Event: HAD_NOTIFY_HOT_UNPLUG\n",
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__func__);
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if (ctx->state != hdmi_connector_status_connected) {
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dev_dbg(ctx->dev, "%s: Already Unplugged!\n",
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__func__);
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} else {
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ctx->state = hdmi_connector_status_disconnected;
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had_process_hot_unplug(ctx);
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}
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had_process_hot_unplug(ctx);
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} else {
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struct intel_hdmi_lpe_audio_eld *eld = &pdata->eld;
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dev_dbg(ctx->dev, "%s: HAD_NOTIFY_ELD : port = %d, tmds = %d\n",
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__func__, eld->port_id, pdata->tmds_clock_speed);
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switch (eld->pipe_id) {
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case 0:
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ctx->had_config_offset = AUDIO_HDMI_CONFIG_A;
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@ -1877,22 +1869,15 @@ static void had_audio_wq(struct work_struct *work)
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memcpy(&ctx->eld, eld->eld_data, sizeof(ctx->eld));
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ctx->dp_output = pdata->dp_output;
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ctx->tmds_clock_speed = pdata->tmds_clock_speed;
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ctx->link_rate = pdata->link_rate;
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had_process_hot_plug(ctx);
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ctx->state = hdmi_connector_status_connected;
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dev_dbg(ctx->dev, "%s: HAD_NOTIFY_ELD : port = %d, tmds = %d\n",
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__func__, eld->port_id, pdata->tmds_clock_speed);
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if (pdata->tmds_clock_speed) {
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ctx->tmds_clock_speed = pdata->tmds_clock_speed;
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ctx->dp_output = pdata->dp_output;
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ctx->link_rate = pdata->link_rate;
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/* Process mode change if stream is active */
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if (ctx->stream_data.stream_type == HAD_RUNNING_STREAM)
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hdmi_audio_mode_change(ctx);
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}
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/* Process mode change if stream is active */
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if (ctx->stream_data.stream_type == HAD_RUNNING_STREAM)
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hdmi_audio_mode_change(ctx);
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}
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mutex_unlock(&ctx->mutex);
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}
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@ -1966,7 +1951,6 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
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ctx->irq = -1;
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ctx->tmds_clock_speed = DIS_SAMPLE_RATE_148_5;
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INIT_WORK(&ctx->hdmi_audio_wq, had_audio_wq);
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ctx->state = hdmi_connector_status_disconnected;
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card->private_free = hdmi_lpe_audio_free;
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@ -129,7 +129,6 @@ struct snd_intelhad {
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struct device *dev;
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struct snd_pcm_chmap *chmap;
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int underrun_count;
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enum hdmi_connector_status state;
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int tmds_clock_speed;
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int link_rate;
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@ -138,7 +137,7 @@ struct snd_intelhad {
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void __iomem *mmio_start;
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unsigned int had_config_offset;
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struct work_struct hdmi_audio_wq;
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struct mutex mutex; /* for protecting chmap, state and eld */
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struct mutex mutex; /* for protecting chmap and eld */
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};
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#endif /* _INTEL_HDMI_AUDIO_ */
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@ -591,12 +591,6 @@ union aud_info_frame3 {
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u32 fr3_val;
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};
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enum hdmi_connector_status {
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hdmi_connector_status_connected = 1,
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hdmi_connector_status_disconnected = 2,
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hdmi_connector_status_unknown = 3,
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};
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#define HDMI_AUDIO_UNDERRUN (1UL<<31)
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#define HDMI_AUDIO_BUFFER_DONE (1UL<<29)
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