summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--sound/soc/intel/byt-rt5640.c53
1 files changed, 52 insertions, 1 deletions
diff --git a/sound/soc/intel/byt-rt5640.c b/sound/soc/intel/byt-rt5640.c
index d6d8b19c22dc..c323a101214e 100644
--- a/sound/soc/intel/byt-rt5640.c
+++ b/sound/soc/intel/byt-rt5640.c
@@ -17,6 +17,7 @@
#include <linux/platform_device.h>
#include <linux/acpi.h>
#include <linux/device.h>
+#include <linux/dmi.h>
#include <linux/slab.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
@@ -36,7 +37,6 @@ static const struct snd_soc_dapm_widget byt_rt5640_widgets[] = {
static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
{"Headset Mic", NULL, "MICBIAS1"},
{"IN2P", NULL, "Headset Mic"},
- {"DMIC1", NULL, "Internal Mic"},
{"Headphone", NULL, "HPOL"},
{"Headphone", NULL, "HPOR"},
{"Speaker", NULL, "SPOLP"},
@@ -45,6 +45,22 @@ static const struct snd_soc_dapm_route byt_rt5640_audio_map[] = {
{"Speaker", NULL, "SPORN"},
};
+static const struct snd_soc_dapm_route byt_rt5640_intmic_dmic1_map[] = {
+ {"DMIC1", NULL, "Internal Mic"},
+};
+
+static const struct snd_soc_dapm_route byt_rt5640_intmic_in1_map[] = {
+ {"Internal Mic", NULL, "MICBIAS1"},
+ {"IN1P", NULL, "Internal Mic"},
+};
+
+enum {
+ BYT_RT5640_DMIC1_MAP,
+ BYT_RT5640_IN1_MAP,
+};
+
+static unsigned long byt_rt5640_custom_map = BYT_RT5640_DMIC1_MAP;
+
static const struct snd_kcontrol_new byt_rt5640_controls[] = {
SOC_DAPM_PIN_SWITCH("Headphone"),
SOC_DAPM_PIN_SWITCH("Headset Mic"),
@@ -76,12 +92,32 @@ static int byt_rt5640_hw_params(struct snd_pcm_substream *substream,
return 0;
}
+static int byt_rt5640_quirk_cb(const struct dmi_system_id *id)
+{
+ byt_rt5640_custom_map = (unsigned long)id->driver_data;
+ return 1;
+}
+
+static const struct dmi_system_id byt_rt5640_quirk_table[] = {
+ {
+ .callback = byt_rt5640_quirk_cb,
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "T100TA"),
+ },
+ .driver_data = (unsigned long *)BYT_RT5640_IN1_MAP,
+ },
+ {}
+};
+
static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
{
int ret;
struct snd_soc_codec *codec = runtime->codec;
struct snd_soc_dapm_context *dapm = &codec->dapm;
struct snd_soc_card *card = runtime->card;
+ const struct snd_soc_dapm_route *custom_map;
+ int num_routes;
card->dapm.idle_bias_off = true;
@@ -92,6 +128,21 @@ static int byt_rt5640_init(struct snd_soc_pcm_runtime *runtime)
return ret;
}
+ dmi_check_system(byt_rt5640_quirk_table);
+ switch (byt_rt5640_custom_map) {
+ case BYT_RT5640_IN1_MAP:
+ custom_map = byt_rt5640_intmic_in1_map;
+ num_routes = ARRAY_SIZE(byt_rt5640_intmic_in1_map);
+ break;
+ default:
+ custom_map = byt_rt5640_intmic_dmic1_map;
+ num_routes = ARRAY_SIZE(byt_rt5640_intmic_dmic1_map);
+ };
+
+ ret = snd_soc_dapm_add_routes(dapm, custom_map, num_routes);
+ if (ret)
+ return ret;
+
snd_soc_dapm_ignore_suspend(dapm, "HPOL");
snd_soc_dapm_ignore_suspend(dapm, "HPOR");