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-rw-r--r--sound/x86/intel_hdmi_audio.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/sound/x86/intel_hdmi_audio.c b/sound/x86/intel_hdmi_audio.c
index a0951505c7f5..96115c401292 100644
--- a/sound/x86/intel_hdmi_audio.c
+++ b/sound/x86/intel_hdmi_audio.c
@@ -50,6 +50,7 @@
/*standard module options for ALSA. This module supports only one card*/
static int hdmi_card_index = SNDRV_DEFAULT_IDX1;
static char *hdmi_card_id = SNDRV_DEFAULT_STR1;
+static bool single_port;
module_param_named(index, hdmi_card_index, int, 0444);
MODULE_PARM_DESC(index,
@@ -57,6 +58,9 @@ MODULE_PARM_DESC(index,
module_param_named(id, hdmi_card_id, charp, 0444);
MODULE_PARM_DESC(id,
"ID string for INTEL Intel HDMI Audio controller.");
+module_param(single_port, bool, 0444);
+MODULE_PARM_DESC(single_port,
+ "Single-port mode (for compatibility)");
/*
* ELD SA bits in the CEA Speaker Allocation data block
@@ -1579,7 +1583,11 @@ static irqreturn_t display_pipe_interrupt_handler(int irq, void *dev_id)
static void notify_audio_lpe(struct platform_device *pdev, int port)
{
struct snd_intelhad_card *card_ctx = platform_get_drvdata(pdev);
- struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
+ struct snd_intelhad *ctx;
+
+ ctx = &card_ctx->pcm_ctx[single_port ? 0 : port];
+ if (single_port)
+ ctx->port = port;
schedule_work(&ctx->hdmi_audio_wq);
}
@@ -1816,7 +1824,7 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
init_channel_allocations();
card_ctx->num_pipes = pdata->num_pipes;
- card_ctx->num_ports = pdata->num_ports;
+ card_ctx->num_ports = single_port ? 1 : pdata->num_ports;
for_each_port(card_ctx, port) {
struct snd_intelhad *ctx = &card_ctx->pcm_ctx[port];
@@ -1824,7 +1832,7 @@ static int hdmi_lpe_audio_probe(struct platform_device *pdev)
ctx->card_ctx = card_ctx;
ctx->dev = card_ctx->dev;
- ctx->port = port;
+ ctx->port = single_port ? -1 : port;
ctx->pipe = -1;
INIT_WORK(&ctx->hdmi_audio_wq, had_audio_wq);