The headphone jack framework has a well defined infrastructure for notifying userspace entities through input devices. Expose a jack device that carries information about if an offload capable device is connected. Applications can further identify specific offloading information through other SND kcontrols.
Signed-off-by: Wesley Cheng quic_wcheng@quicinc.com --- sound/soc/qcom/common.c | 19 +++++++++++++++++++ sound/soc/qcom/common.h | 3 ++- sound/soc/qcom/qdsp6/q6usb.c | 20 ++++++++++++++++++++ sound/soc/qcom/sm8250.c | 11 ++++++++++- 4 files changed, 51 insertions(+), 2 deletions(-)
diff --git a/sound/soc/qcom/common.c b/sound/soc/qcom/common.c index 756706d5b493..c81a52f64ef8 100644 --- a/sound/soc/qcom/common.c +++ b/sound/soc/qcom/common.c @@ -5,6 +5,7 @@ #include <dt-bindings/sound/qcom,q6afe.h> #include <linux/module.h> #include <sound/jack.h> +#include <sound/soc-usb.h> #include <linux/input-event-codes.h> #include "common.h"
@@ -239,4 +240,22 @@ int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd, return 0; } EXPORT_SYMBOL_GPL(qcom_snd_wcd_jack_setup); + +int qcom_snd_usb_offload_jack_setup(struct snd_soc_pcm_runtime *rtd, + struct snd_soc_jack *jack, bool *jack_setup) +{ + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + struct snd_soc_dai *codec_dai = snd_soc_rtd_to_codec(rtd, 0); + + if (cpu_dai->id != USB_RX) + return 0; + + if (!*jack_setup) + snd_soc_usb_setup_offload_jack(codec_dai->component, jack); + + *jack_setup = true; + + return 0; +} +EXPORT_SYMBOL_GPL(qcom_snd_usb_offload_jack_setup); MODULE_LICENSE("GPL"); diff --git a/sound/soc/qcom/common.h b/sound/soc/qcom/common.h index d7f80ee5ae26..fca3046c8674 100644 --- a/sound/soc/qcom/common.h +++ b/sound/soc/qcom/common.h @@ -9,5 +9,6 @@ int qcom_snd_parse_of(struct snd_soc_card *card); int qcom_snd_wcd_jack_setup(struct snd_soc_pcm_runtime *rtd, struct snd_soc_jack *jack, bool *jack_setup); - +int qcom_snd_usb_offload_jack_setup(struct snd_soc_pcm_runtime *rtd, + struct snd_soc_jack *jack, bool *jack_setup); #endif diff --git a/sound/soc/qcom/qdsp6/q6usb.c b/sound/soc/qcom/qdsp6/q6usb.c index 84543b34f2b7..f7b0a9f4310e 100644 --- a/sound/soc/qcom/qdsp6/q6usb.c +++ b/sound/soc/qcom/qdsp6/q6usb.c @@ -14,6 +14,7 @@ #include <linux/slab.h>
#include <sound/asound.h> +#include <sound/jack.h> #include <sound/pcm.h> #include <sound/pcm_params.h> #include <sound/q6usboffload.h> @@ -38,6 +39,7 @@ struct q6usb_status { struct q6usb_port_data { struct q6afe_usb_cfg usb_cfg; struct snd_soc_usb *usb; + struct snd_soc_jack *hs_jack; struct q6usb_offload priv; struct mutex mutex; unsigned long available_card_slot; @@ -245,6 +247,9 @@ static int q6usb_alsa_connection_cb(struct snd_soc_usb *usb,
mutex_lock(&data->mutex); if (connected) { + if (!data->available_card_slot) + snd_jack_report(data->hs_jack->jack, 1); + /* * Update the latest USB headset plugged in, if session is * idle. @@ -267,12 +272,26 @@ static int q6usb_alsa_connection_cb(struct snd_soc_usb *usb, ffs(data->available_card_slot) - 1 : 0; data->sel_pcm_idx = 0; } + + if (!data->available_card_slot) + snd_jack_report(data->hs_jack->jack, 0); } mutex_unlock(&data->mutex);
return 0; }
+static int q6usb_component_set_jack(struct snd_soc_component *component, + struct snd_soc_jack *jack, void *data) +{ + struct q6usb_port_data *priv = dev_get_drvdata(component->dev); + + priv->hs_jack = jack; + snd_jack_report(jack->jack, priv->available_card_slot ? 1 : 0); + + return 0; +} + static int q6usb_component_probe(struct snd_soc_component *component) { struct q6usb_port_data *data = dev_get_drvdata(component->dev); @@ -313,6 +332,7 @@ static void q6usb_component_remove(struct snd_soc_component *component)
static const struct snd_soc_component_driver q6usb_dai_component = { .probe = q6usb_component_probe, + .set_jack = q6usb_component_set_jack, .remove = q6usb_component_remove, .name = "q6usb-dai-component", .dapm_widgets = q6usb_dai_widgets, diff --git a/sound/soc/qcom/sm8250.c b/sound/soc/qcom/sm8250.c index d70df72c0160..52136897cc92 100644 --- a/sound/soc/qcom/sm8250.c +++ b/sound/soc/qcom/sm8250.c @@ -22,14 +22,23 @@ struct sm8250_snd_data { struct snd_soc_card *card; struct sdw_stream_runtime *sruntime[AFE_PORT_MAX]; struct snd_soc_jack jack; + struct snd_soc_jack usb_offload_jack; + bool usb_offload_jack_setup; bool jack_setup; };
static int sm8250_snd_init(struct snd_soc_pcm_runtime *rtd) { struct sm8250_snd_data *data = snd_soc_card_get_drvdata(rtd->card); + struct snd_soc_dai *cpu_dai = snd_soc_rtd_to_cpu(rtd, 0); + int ret;
- return qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup); + if (cpu_dai->id == USB_RX) + ret = qcom_snd_usb_offload_jack_setup(rtd, &data->usb_offload_jack, + &data->usb_offload_jack_setup); + else + ret = qcom_snd_wcd_jack_setup(rtd, &data->jack, &data->jack_setup); + return ret; }
static int sm8250_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,