Commit 048b9450 authored by Giuliano Pochini's avatar Giuliano Pochini Committed by Jaroslav Kysela
Browse files

[ALSA] echoaudio, add TLV support



This patch adds TLV support to the echoaudio driver.
All gains are in the range -127dB to +6dB with steps of 1dB, and -128 is
mute. VU-meters levels go from -128 to 0dB. The input gain of the Layla20
ranges from -25dB to +25dB in steps of 0.5dB.

Signed-off-by: default avatarGiuliano Pochini <pochini@shiny.it>
Signed-off-by: default avatarTakashi Iwai <tiwai@suse.de>
Signed-off-by: default avatarJaroslav Kysela <perex@suse.cz>
parent d1d985f0
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+1 −0
Original line number Diff line number Diff line
@@ -47,6 +47,7 @@
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/asoundef.h>
+1 −0
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/asoundef.h>
+1 −0
Original line number Diff line number Diff line
@@ -58,6 +58,7 @@
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/asoundef.h>
+17 −1
Original line number Diff line number Diff line
@@ -34,6 +34,7 @@ module_param_array(enable, bool, NULL, 0444);
MODULE_PARM_DESC(enable, "Enable " ECHOCARD_NAME " soundcard.");

static unsigned int channels_list[10] = {1, 2, 4, 6, 8, 10, 12, 14, 16, 999999};
static DECLARE_TLV_DB_SCALE(db_scale_output_gain, -12800, 100, 1);

static int get_firmware(const struct firmware **fw_entry,
			const struct firmware *frm, struct echoaudio *chip)
@@ -1011,17 +1012,21 @@ static int snd_echo_output_gain_put(struct snd_kcontrol *kcontrol,
static struct snd_kcontrol_new snd_echo_line_output_gain __devinitdata = {
	.name = "Line Playback Volume",
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
	.info = snd_echo_output_gain_info,
	.get = snd_echo_output_gain_get,
	.put = snd_echo_output_gain_put,
	.tlv = {.p = db_scale_output_gain},
};
#else
static struct snd_kcontrol_new snd_echo_pcm_output_gain __devinitdata = {
	.name = "PCM Playback Volume",
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
	.info = snd_echo_output_gain_info,
	.get = snd_echo_output_gain_get,
	.put = snd_echo_output_gain_put,
	.tlv = {.p = db_scale_output_gain},
};
#endif

@@ -1080,12 +1085,16 @@ static int snd_echo_input_gain_put(struct snd_kcontrol *kcontrol,
	return changed;
}

static DECLARE_TLV_DB_SCALE(db_scale_input_gain, -2500, 50, 0);

static struct snd_kcontrol_new snd_echo_line_input_gain __devinitdata = {
	.name = "Line Capture Volume",
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
	.info = snd_echo_input_gain_info,
	.get = snd_echo_input_gain_get,
	.put = snd_echo_input_gain_put,
	.tlv = {.p = db_scale_input_gain},
};

#endif /* ECHOCARD_HAS_INPUT_GAIN */
@@ -1277,9 +1286,11 @@ static int snd_echo_mixer_put(struct snd_kcontrol *kcontrol,
static struct snd_kcontrol_new snd_echo_monitor_mixer __devinitdata = {
	.name = "Monitor Mixer Volume",
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
	.info = snd_echo_mixer_info,
	.get = snd_echo_mixer_get,
	.put = snd_echo_mixer_put,
	.tlv = {.p = db_scale_output_gain},
};

#endif /* ECHOCARD_HAS_MONITOR */
@@ -1343,9 +1354,11 @@ static int snd_echo_vmixer_put(struct snd_kcontrol *kcontrol,
static struct snd_kcontrol_new snd_echo_vmixer __devinitdata = {
	.name = "VMixer Volume",
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = SNDRV_CTL_ELEM_ACCESS_READWRITE | SNDRV_CTL_ELEM_ACCESS_TLV_READ,
	.info = snd_echo_vmixer_info,
	.get = snd_echo_vmixer_get,
	.put = snd_echo_vmixer_put,
	.tlv = {.p = db_scale_output_gain},
};

#endif /* ECHOCARD_HAS_VMIXER */
@@ -1753,9 +1766,12 @@ static int snd_echo_vumeters_get(struct snd_kcontrol *kcontrol,
static struct snd_kcontrol_new snd_echo_vumeters __devinitdata = {
	.name = "VU-meters",
	.iface = SNDRV_CTL_ELEM_IFACE_MIXER,
	.access = SNDRV_CTL_ELEM_ACCESS_READ | SNDRV_CTL_ELEM_ACCESS_VOLATILE,
	.access = SNDRV_CTL_ELEM_ACCESS_READ |
		  SNDRV_CTL_ELEM_ACCESS_VOLATILE |
		  SNDRV_CTL_ELEM_ACCESS_TLV_READ,
	.info = snd_echo_vumeters_info,
	.get = snd_echo_vumeters_get,
	.tlv = {.p = db_scale_output_gain},
};


+1 −0
Original line number Diff line number Diff line
@@ -51,6 +51,7 @@
#include <sound/core.h>
#include <sound/info.h>
#include <sound/control.h>
#include <sound/tlv.h>
#include <sound/pcm.h>
#include <sound/pcm_params.h>
#include <sound/asoundef.h>
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