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Diffstat (limited to 'sound/soc/intel/boards/skl_nau88l25_ssm4567.c')
-rw-r--r--sound/soc/intel/boards/skl_nau88l25_ssm4567.c51
1 files changed, 46 insertions, 5 deletions
diff --git a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c
index e19aa99c4f72..69c5d5da4e86 100644
--- a/sound/soc/intel/boards/skl_nau88l25_ssm4567.c
+++ b/sound/soc/intel/boards/skl_nau88l25_ssm4567.c
@@ -27,12 +27,15 @@
#include <sound/pcm_params.h>
#include "../../codecs/nau8825.h"
#include "../../codecs/hdac_hdmi.h"
+#include "../skylake/skl.h"
#define SKL_NUVOTON_CODEC_DAI "nau8825-hifi"
#define SKL_SSM_CODEC_DAI "ssm4567-hifi"
+#define DMIC_CH(p) p->list[p->count-1]
static struct snd_soc_jack skylake_headset;
static struct snd_soc_card skylake_audio_card;
+static const struct snd_pcm_hw_constraint_list *dmic_constraints;
struct skl_hdmi_pcm {
struct list_head head;
@@ -367,7 +370,7 @@ static int skylake_dmic_fixup(struct snd_soc_pcm_runtime *rtd,
{
struct snd_interval *channels = hw_param_interval(params,
SNDRV_PCM_HW_PARAM_CHANNELS);
- if (params_channels(params) == 2)
+ if (params_channels(params) == 2 || DMIC_CH(dmic_constraints) == 2)
channels->min = channels->max = 2;
else
channels->min = channels->max = 4;
@@ -405,13 +408,23 @@ static struct snd_pcm_hw_constraint_list constraints_dmic_channels = {
.mask = 0,
};
+static const unsigned int dmic_2ch[] = {
+ 2,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_dmic_2ch = {
+ .count = ARRAY_SIZE(dmic_2ch),
+ .list = dmic_2ch,
+ .mask = 0,
+};
+
static int skylake_dmic_startup(struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- runtime->hw.channels_max = 4;
+ runtime->hw.channels_max = DMIC_CH(dmic_constraints);
snd_pcm_hw_constraint_list(runtime, 0, SNDRV_PCM_HW_PARAM_CHANNELS,
- &constraints_dmic_channels);
+ dmic_constraints);
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &constraints_rates);
@@ -430,8 +443,22 @@ static struct snd_pcm_hw_constraint_list constraints_16000 = {
.list = rates_16000,
};
+static const unsigned int ch_mono[] = {
+ 1,
+};
+
+static const struct snd_pcm_hw_constraint_list constraints_refcap = {
+ .count = ARRAY_SIZE(ch_mono),
+ .list = ch_mono,
+};
+
static int skylake_refcap_startup(struct snd_pcm_substream *substream)
{
+ substream->runtime->hw.channels_max = 1;
+ snd_pcm_hw_constraint_list(substream->runtime, 0,
+ SNDRV_PCM_HW_PARAM_CHANNELS,
+ &constraints_refcap);
+
return snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE,
&constraints_16000);
@@ -662,6 +689,7 @@ static struct snd_soc_card skylake_audio_card = {
static int skylake_audio_probe(struct platform_device *pdev)
{
struct skl_nau88125_private *ctx;
+ struct skl_machine_pdata *pdata;
ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_ATOMIC);
if (!ctx)
@@ -672,15 +700,27 @@ static int skylake_audio_probe(struct platform_device *pdev)
skylake_audio_card.dev = &pdev->dev;
snd_soc_card_set_drvdata(&skylake_audio_card, ctx);
+ pdata = dev_get_drvdata(&pdev->dev);
+ if (pdata)
+ dmic_constraints = pdata->dmic_num == 2 ?
+ &constraints_dmic_2ch : &constraints_dmic_channels;
+
return devm_snd_soc_register_card(&pdev->dev, &skylake_audio_card);
}
+static const struct platform_device_id skl_board_ids[] = {
+ { .name = "skl_n88l25_s4567" },
+ { .name = "kbl_n88l25_s4567" },
+ { }
+};
+
static struct platform_driver skylake_audio = {
.probe = skylake_audio_probe,
.driver = {
- .name = "skl_nau88l25_ssm4567_i2s",
+ .name = "skl_n88l25_s4567",
.pm = &snd_soc_pm_ops,
},
+ .id_table = skl_board_ids,
};
module_platform_driver(skylake_audio)
@@ -693,4 +733,5 @@ MODULE_AUTHOR("Sathya Prakash M R <sathya.prakash.m.r@intel.com>");
MODULE_AUTHOR("Yong Zhi <yong.zhi@intel.com>");
MODULE_DESCRIPTION("Intel Audio Machine driver for SKL with NAU88L25 and SSM4567 in I2S Mode");
MODULE_LICENSE("GPL v2");
-MODULE_ALIAS("platform:skl_nau88l25_ssm4567_i2s");
+MODULE_ALIAS("platform:skl_n88l25_s4567");
+MODULE_ALIAS("platform:kbl_n88l25_s4567");