linux-kernel - [PATCH V1 1/6] staging: greybus: audio: Update snd

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Message-Id: <1ee2783b64c68e49880f88457655648ac45bbcb8.1589734179.git.vaibhav.sr@gmail.com>
Date:   Sun, 17 May 2020 22:47:16 +0530
From:   Vaibhav Agarwal <vaibhav.sr@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Alex Elder <elder@...nel.org>, Johan Hovold <johan@...nel.org>,
        Mark Greer <mgreer@...malcreek.com>
Cc:     greybus-dev@...ts.linaro.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org,
        Alexandre Belloni <alexandre.belloni@...tlin.com>,
        Vaibhav Agarwal <vaibhav.sr@...il.com>
Subject: [PATCH V1 1/6] staging: greybus: audio: Update snd_jack FW usage as per new APIs

snd_soc_jack APIs are modified in recent kernel versions. This patch
updates the codec driver to resolve the compilation errors related to
jack framework.

Signed-off-by: Vaibhav Agarwal <vaibhav.sr@...il.com>
---
 drivers/staging/greybus/audio_codec.c | 59 ++++++++++++++++++++++++++++-------
 1 file changed, 47 insertions(+), 12 deletions(-)

diff --git a/drivers/staging/greybus/audio_codec.c b/drivers/staging/greybus/audio_codec.c
index 08746c85dea6..ebf8484f0ae7 100644
--- a/drivers/staging/greybus/audio_codec.c
+++ b/drivers/staging/greybus/audio_codec.c
@@ -709,17 +709,29 @@ static struct snd_soc_dai_driver gbaudio_dai[] = {
 };
 
 static int gbaudio_init_jack(struct gbaudio_module_info *module,
-			     struct snd_soc_codec *codec)
+			     struct snd_soc_card *card)
 {
 	int ret;
 
+	struct snd_soc_jack *jack;
+	struct snd_soc_jack_pin *headset, *button;
+
 	if (!module->jack_mask)
 		return 0;
 
 	snprintf(module->jack_name, NAME_SIZE, "GB %d Headset Jack",
 		 module->dev_id);
-	ret = snd_soc_jack_new(codec, module->jack_name, module->jack_mask,
-			       &module->headset_jack);
+
+	headset = devm_kzalloc(module->dev, sizeof(*headset), GFP_KERNEL);
+	if (!headset)
+		return -ENOMEM;
+
+	headset->pin = module->jack_name;
+	headset->mask = module->jack_mask;
+	jack = &module->headset_jack;
+
+	ret = snd_soc_card_jack_new(card, module->jack_name, module->jack_mask,
+				    jack, headset, 1);
 	if (ret) {
 		dev_err(module->dev, "Failed to create new jack\n");
 		return ret;
@@ -730,11 +742,21 @@ static int gbaudio_init_jack(struct gbaudio_module_info *module,
 
 	snprintf(module->button_name, NAME_SIZE, "GB %d Button Jack",
 		 module->dev_id);
-	ret = snd_soc_jack_new(codec, module->button_name, module->button_mask,
-			       &module->button_jack);
+	button = devm_kzalloc(module->dev, sizeof(*headset), GFP_KERNEL);
+	if (!button) {
+		ret = -ENOMEM;
+		goto free_headset;
+	}
+
+	button->pin = module->button_name;
+	button->mask = module->button_mask;
+	jack = &module->button_jack;
+
+	ret = snd_soc_card_jack_new(card, module->button_name,
+				    module->button_mask, jack, button, 1);
 	if (ret) {
 		dev_err(module->dev, "Failed to create button jack\n");
-		return ret;
+		goto free_headset;
 	}
 
 	/*
@@ -750,7 +772,7 @@ static int gbaudio_init_jack(struct gbaudio_module_info *module,
 				       KEY_MEDIA);
 		if (ret) {
 			dev_err(module->dev, "Failed to set BTN_0\n");
-			return ret;
+			goto free_button;
 		}
 	}
 
@@ -759,7 +781,7 @@ static int gbaudio_init_jack(struct gbaudio_module_info *module,
 				       KEY_VOICECOMMAND);
 		if (ret) {
 			dev_err(module->dev, "Failed to set BTN_1\n");
-			return ret;
+			goto free_button;
 		}
 	}
 
@@ -768,7 +790,7 @@ static int gbaudio_init_jack(struct gbaudio_module_info *module,
 				       KEY_VOLUMEUP);
 		if (ret) {
 			dev_err(module->dev, "Failed to set BTN_2\n");
-			return ret;
+			goto free_button;
 		}
 	}
 
@@ -777,7 +799,7 @@ static int gbaudio_init_jack(struct gbaudio_module_info *module,
 				       KEY_VOLUMEDOWN);
 		if (ret) {
 			dev_err(module->dev, "Failed to set BTN_0\n");
-			return ret;
+			goto free_button;
 		}
 	}
 
@@ -788,6 +810,18 @@ static int gbaudio_init_jack(struct gbaudio_module_info *module,
 	*/
 
 	return 0;
+
+free_button:
+	jack = &module->button_jack;
+	snd_device_free(card->snd_card, jack->jack);
+	list_del(&jack->list);
+
+free_headset:
+	jack = &module->headset_jack;
+	snd_device_free(card->snd_card, jack->jack);
+	list_del(&jack->list);
+
+	return ret;
 }
 
 int gbaudio_register_module(struct gbaudio_module_info *module)
@@ -815,7 +849,7 @@ int gbaudio_register_module(struct gbaudio_module_info *module)
 		return -EINVAL;
 	}
 
-	ret = gbaudio_init_jack(module, codec);
+	ret = gbaudio_init_jack(module, component->card);
 	if (ret) {
 		up_write(&card->controls_rwsem);
 		return ret;
@@ -942,7 +976,8 @@ void gbaudio_unregister_module(struct gbaudio_module_info *module)
 
 #ifdef CONFIG_SND_JACK
 	/* free jack devices for this module from codec->jack_list */
-	list_for_each_entry_safe(jack, next_j, &codec->jack_list, list) {
+	list_for_each_entry_safe(jack, next_j, &component->card->jack_list,
+				 list) {
 		if (jack == &module->headset_jack)
 			mask = GBCODEC_JACK_MASK;
 		else if (jack == &module->button_jack)
-- 
2.7.4