diff options
Diffstat (limited to 'sound/soc/uniphier/aio.h')
| -rw-r--r-- | sound/soc/uniphier/aio.h | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/sound/soc/uniphier/aio.h b/sound/soc/uniphier/aio.h index 8cab4a553a97..aa89c2f6fa24 100644 --- a/sound/soc/uniphier/aio.h +++ b/sound/soc/uniphier/aio.h @@ -3,19 +3,6 @@ * Socionext UniPhier AIO ALSA driver. * * Copyright (c) 2016-2018 Socionext Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; version 2 - * of the License. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see <http://www.gnu.org/licenses/>. */ #ifndef SND_UNIPHIER_AIO_H__ @@ -143,6 +130,10 @@ enum IEC61937_PC { #define AUD_PLLDIV_1_1 2 #define AUD_PLLDIV_2_3 3 +#define AUD_VOL_INIT 0x4000 /* +0dB */ +#define AUD_VOL_MAX 0xffff /* +6dB */ +#define AUD_VOL_FADE_TIME 20 /* 20ms */ + #define AUD_RING_SIZE (128 * 1024) #define AUD_MIN_FRAGMENT 4 @@ -244,6 +235,7 @@ struct uniphier_aio_sub { /* For PCM audio */ struct snd_pcm_substream *substream; struct snd_pcm_hw_params params; + int vol; /* For compress audio */ struct snd_compr_stream *cstream; @@ -336,6 +328,8 @@ int aio_port_set_clk(struct uniphier_aio_sub *sub); int aio_port_set_param(struct uniphier_aio_sub *sub, int pass_through, const struct snd_pcm_hw_params *params); void aio_port_set_enable(struct uniphier_aio_sub *sub, int enable); +int aio_port_get_volume(struct uniphier_aio_sub *sub); +void aio_port_set_volume(struct uniphier_aio_sub *sub, int vol); int aio_if_set_param(struct uniphier_aio_sub *sub, int pass_through); int aio_oport_set_stream_type(struct uniphier_aio_sub *sub, enum IEC61937_PC pc); |