1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (c) 2022-2025 Qualcomm Innovation Center, Inc. All rights reserved.
10 #include <sound/soc-usb.h>
19 #define PCM_IDX(n)  ((n) & 0xffff)  argument
20 #define CARD_IDX(n) ((n) >> 16)  argument
30 					       CARD_IDX(kcontrol->private_value),  in snd_usb_offload_card_route_get()
31 					       PCM_IDX(kcontrol->private_value),  in snd_usb_offload_card_route_get()
34 					       ucontrol->value.integer.value);  in snd_usb_offload_card_route_get()
36 		ucontrol->value.integer.value[0] = -1;  in snd_usb_offload_card_route_get()
37 		ucontrol->value.integer.value[1] = -1;  in snd_usb_offload_card_route_get()
46 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;  in snd_usb_offload_card_route_info()
47 	uinfo->count = 1;  in snd_usb_offload_card_route_info()
48 	uinfo->value.integer.min = -1;  in snd_usb_offload_card_route_info()
49 	uinfo->value.integer.max = SNDRV_CARDS;  in snd_usb_offload_card_route_info()
69 					       CARD_IDX(kcontrol->private_value),  in snd_usb_offload_pcm_route_get()
70 					       PCM_IDX(kcontrol->private_value),  in snd_usb_offload_pcm_route_get()
73 					       ucontrol->value.integer.value);  in snd_usb_offload_pcm_route_get()
75 		ucontrol->value.integer.value[0] = -1;  in snd_usb_offload_pcm_route_get()
76 		ucontrol->value.integer.value[1] = -1;  in snd_usb_offload_pcm_route_get()
85 	uinfo->type = SNDRV_CTL_ELEM_TYPE_INTEGER;  in snd_usb_offload_pcm_route_info()
86 	uinfo->count = 1;  in snd_usb_offload_pcm_route_info()
87 	uinfo->value.integer.min = -1;  in snd_usb_offload_pcm_route_info()
89 	uinfo->value.integer.max = 0xff;  in snd_usb_offload_pcm_route_info()
102  * snd_usb_offload_create_ctl() - Add USB offload bounded mixer
118 	list_for_each_entry(as, &chip->pcm_list, list) {  in snd_usb_offload_create_ctl()
119 		subs = &as->substream[SNDRV_PCM_STREAM_PLAYBACK];  in snd_usb_offload_create_ctl()
120 		if (!subs->ep_num || as->pcm_index > 0xff)  in snd_usb_offload_create_ctl()
124 		chip_kctl->count = 1;  in snd_usb_offload_create_ctl()
129 		chip_kctl->private_value = as->pcm_index |  in snd_usb_offload_create_ctl()
130 					  chip->card->number << 16;  in snd_usb_offload_create_ctl()
132 			as->pcm_index);  in snd_usb_offload_create_ctl()
133 		chip_kctl->name = ctl_name;  in snd_usb_offload_create_ctl()
134 		ret = snd_ctl_add(chip->card, snd_ctl_new1(chip_kctl, bedev));  in snd_usb_offload_create_ctl()
139 		chip_kctl->count = 1;  in snd_usb_offload_create_ctl()
144 		chip_kctl->private_value = as->pcm_index |  in snd_usb_offload_create_ctl()
145 					  chip->card->number << 16;  in snd_usb_offload_create_ctl()
147 			as->pcm_index);  in snd_usb_offload_create_ctl()
148 		chip_kctl->name = ctl_name;  in snd_usb_offload_create_ctl()
149 		ret = snd_ctl_add(chip->card, snd_ctl_new1(chip_kctl, bedev));  in snd_usb_offload_create_ctl()