1 files changed, 73 insertions, 10 deletions

diff --git a/sound/pci/ctxfi/ctmixer.c b/sound/pci/ctxfi/ctmixer.c
index 4777d50fbbf8..fc9fde284fb3 100644
--- a/sound/pci/ctxfi/ctmixer.c
+++ b/sound/pci/ctxfi/ctmixer.c
@@ -1,10 +1,7 @@
-/**
+// SPDX-License-Identifier: GPL-2.0-only
+/*
  * Copyright (C) 2008, Creative Technology Ltd. All Rights Reserved.
  *
- * This source file is released under GPL v2 license (no other versions).
- * See the COPYING file included in the main directory of this source
- * distribution for the license terms and conditions.
- *
  * @File	ctmixer.c
  *
  * @Brief
@@ -12,7 +9,6 @@
  *
  * @Author	Liu Chun
  * @Date 	May 28 2008
- *
  */
 
 
@@ -551,8 +547,14 @@ static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
 		atc->mic_unmute(atc, state);
 	else if (MIXER_SPDIFI_C_S == type)
 		atc->spdif_in_unmute(atc, state);
-	else if (MIXER_WAVEF_P_S == type)
-		atc->line_front_unmute(atc, state);
+	else if (MIXER_WAVEF_P_S == type) {
+		if (cap.dedicated_rca) {
+			atc->rca_unmute(atc, atc->rca_state ? 0 : state);
+			atc->line_front_unmute(atc, atc->rca_state ? state : 0);
+		} else {
+			atc->line_front_unmute(atc, state);
+		}
+	}
 	else if (MIXER_WAVES_P_S == type)
 		atc->line_surround_unmute(atc, state);
 	else if (MIXER_WAVEC_P_S == type)
@@ -616,6 +618,57 @@ static struct snd_kcontrol_new swh_ctl = {
 	.put		= ct_alsa_mix_switch_put
 };
 
+static int dedicated_rca_info(struct snd_kcontrol *kcontrol,
+			      struct snd_ctl_elem_info *info)
+{
+	static const char *const names[2] = {
+	  "RCA", "Front"
+	};
+
+	return snd_ctl_enum_info(info, 1, 2, names);
+}
+
+static int dedicated_rca_get(struct snd_kcontrol *kcontrol,
+			     struct snd_ctl_elem_value *ucontrol)
+{
+	struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
+
+	ucontrol->value.enumerated.item[0] = atc->rca_state;
+	return 0;
+}
+
+static int dedicated_rca_put(struct snd_kcontrol *kcontrol,
+			     struct snd_ctl_elem_value *ucontrol)
+{
+	struct ct_atc *atc = snd_kcontrol_chip(kcontrol);
+	unsigned int rca_state = ucontrol->value.enumerated.item[0];
+	unsigned char state;
+
+	if (rca_state > 1)
+		return -EINVAL;
+
+	if (rca_state == atc->rca_state)
+		return 0;
+
+	state = get_switch_state(atc->mixer, MIXER_WAVEF_P_S);
+	do_switch(atc, MIXER_WAVEF_P_S, 0);
+
+	atc->rca_state = rca_state;
+	atc->dedicated_rca_select(atc);
+
+	do_switch(atc, MIXER_WAVEF_P_S, state);
+
+	return 1;
+}
+
+static struct snd_kcontrol_new rca_ctl = {
+	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
+	.name = "Analog Playback Route",
+	.info = dedicated_rca_info,
+	.get = dedicated_rca_get,
+	.put = dedicated_rca_put,
+};
+
 static int ct_spdif_info(struct snd_kcontrol *kcontrol,
 			 struct snd_ctl_elem_info *uinfo)
 {
@@ -788,7 +841,17 @@ static int ct_mixer_kcontrols_create(struct ct_mixer *mixer)
 		if (err)
 			return err;
 	}
-	atc->line_front_unmute(atc, 1);
+
+	if (cap.dedicated_rca) {
+		err = ct_mixer_kcontrol_new(mixer, &rca_ctl);
+		if (err)
+			return err;
+
+		atc->line_front_unmute(atc, 0);
+		atc->rca_unmute(atc, 1);
+	} else {
+		atc->line_front_unmute(atc, 1);
+	}
 	set_switch_state(mixer, MIXER_WAVEF_P_S, 1);
 	atc->line_surround_unmute(atc, 0);
 	set_switch_state(mixer, MIXER_WAVES_P_S, 0);
@@ -1223,7 +1286,7 @@ int ct_alsa_mix_create(struct ct_atc *atc,
 	if (err)
 		return err;
 
-	strcpy(atc->card->mixername, device_name);
+	strscpy(atc->card->mixername, device_name);
 
 	return 0;
 }