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ALSA: firewire-motu: parse messages for line input parameters in register DSP model 

This commit parses message and cache current parameters of line input
function, available for MOTU 828 mk2 and Traveler.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Link: https://lore.kernel.org/r/20211015080826.34847-8-o-takashi@sakamocchi.jp
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2021-10-15 17:08:22 +09:00 committed by Takashi Iwai
parent 6ca81d2b63
commit 41cc23389f
2 changed files with 15 additions and 0 deletions
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9
include/uapi/sound/firewire.h
View File

@ -164,6 +164,10 @@ struct snd_firewire_motu_register_dsp_meter {
* @output.hp_paired_volume: The volume of paired hp output.
* @output.hp_paired_assignment: The source assigned to paired hp output.
* @output.reserved: Padding for 32 bit alignment for future extension.
* @line_input.boost_flag: The flags of boost for line inputs, only for 828mk2 and Traveler.
* @line_input.nominal_level_flag: The flags of nominal level for line inputs, only for 828mk2 and
* Traveler.
* @line_input.reserved: Padding for 32 bit alignment for future extension.
*
* The structure expresses the set of parameters for DSP controlled by register access.
*/
@ -187,6 +191,11 @@ struct snd_firewire_motu_register_dsp_parameter {
__u8 hp_paired_assignment;
__u8 reserved[5];
} output;
struct {
__u8 boost_flag;
__u8 nominal_level_flag;
__u8 reserved[6];
} line_input;
};
// In below MOTU models, software is allowed to control their DSP by command in frame of

6
sound/firewire/motu/motu-register-dsp-message-parser.c
View File

@ -219,6 +219,12 @@ void snd_motu_register_dsp_message_parser_parse(struct snd_motu *motu, const str
case HP_OUTPUT_PAIRED_ASSIGNMENT:
parser->param.output.hp_paired_assignment = val;
break;
case LINE_INPUT_BOOST:
parser->param.line_input.boost_flag = val;
break;
case LINE_INPUT_NOMINAL_LEVEL:
parser->param.line_input.nominal_level_flag = val;
break;
case METER:
{
u8 pos;