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ALSA: ctxfi - Add PM support

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Added the suspend/resume support to ctxfi driver.

The team tested on the following seems ok:
  AMD Athlon 64 3500+ / ASUS A8N-E / 512MB DDR ATI / Radeon X1300
  20k1 & 20k2 cards

Signed-off-by: Wai Yew CHAY <wychay@ctl.creative.com>
Singed-off-by: Ryan RICHARDS <ryan_richards@creativelabs.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Wai Yew CHAY
2009-06-22 14:52:34 +02:00
committed by Takashi Iwai
parent a8f4310be5
commit 29959a09cc
9 changed files with 353 additions and 106 deletions
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92
sound/pci/ctxfi/ctmixer.c
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@@ -462,6 +462,43 @@ do_digit_io_switch(struct ct_atc *atc, int state)
return;
}
static void do_switch(struct ct_atc *atc, enum CTALSA_MIXER_CTL type, int state)
{
struct ct_mixer *mixer = atc->mixer;
/* Do changes in mixer. */
if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
if (state) {
ct_mixer_recording_select(mixer,
get_amixer_index(type));
} else {
ct_mixer_recording_unselect(mixer,
get_amixer_index(type));
}
}
/* Do changes out of mixer. */
if (state && (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type))
do_line_mic_switch(atc, type);
else if (MIXER_WAVEF_P_S == type)
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)
atc->line_clfe_unmute(atc, state);
else if (MIXER_WAVER_P_S == type)
atc->line_rear_unmute(atc, state);
else if (MIXER_LINEIN_P_S == type)
atc->line_in_unmute(atc, state);
else if (MIXER_SPDIFO_P_S == type)
atc->spdif_out_unmute(atc, state);
else if (MIXER_SPDIFI_P_S == type)
atc->spdif_in_unmute(atc, state);
else if (MIXER_DIGITAL_IO_S == type)
do_digit_io_switch(atc, state);
return;
}
static int ct_alsa_mix_switch_info(struct snd_kcontrol *kcontrol,
struct snd_ctl_elem_info *uinfo)
{
@@ -498,35 +535,7 @@ static int ct_alsa_mix_switch_put(struct snd_kcontrol *kcontrol,
return 0;
set_switch_state(mixer, type, state);
/* Do changes in mixer. */
if ((SWH_CAPTURE_START <= type) && (SWH_CAPTURE_END >= type)) {
if (state) {
ct_mixer_recording_select(mixer,
get_amixer_index(type));
} else {
ct_mixer_recording_unselect(mixer,
get_amixer_index(type));
}
}
/* Do changes out of mixer. */
if (state && (MIXER_LINEIN_C_S == type || MIXER_MIC_C_S == type))
do_line_mic_switch(atc, type);
else if (MIXER_WAVEF_P_S == type)
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)
atc->line_clfe_unmute(atc, state);
else if (MIXER_WAVER_P_S == type)
atc->line_rear_unmute(atc, state);
else if (MIXER_LINEIN_P_S == type)
atc->line_in_unmute(atc, state);
else if (MIXER_SPDIFO_P_S == type)
atc->spdif_out_unmute(atc, state);
else if (MIXER_SPDIFI_P_S == type)
atc->spdif_in_unmute(atc, state);
else if (MIXER_DIGITAL_IO_S == type)
do_digit_io_switch(atc, state);
do_switch(atc, type, state);
return 1;
}
@@ -1039,6 +1048,28 @@ mixer_set_input_right(struct ct_mixer *mixer,
return 0;
}
#ifdef CONFIG_PM
static int mixer_resume(struct ct_mixer *mixer)
{
int i, state;
struct amixer *amixer;
/* resume topology and volume gain. */
for (i = 0; i < NUM_CT_AMIXERS*CHN_NUM; i++) {
amixer = mixer->amixers[i];
amixer->ops->commit_write(amixer);
}
/* resume switch state. */
for (i = SWH_MIXER_START; i <= SWH_MIXER_END; i++) {
state = get_switch_state(mixer, i);
do_switch(mixer->atc, i, state);
}
return 0;
}
#endif
int ct_mixer_destroy(struct ct_mixer *mixer)
{
struct sum_mgr *sum_mgr = (struct sum_mgr *)mixer->atc->rsc_mgrs[SUM];
@@ -1087,6 +1118,9 @@ int ct_mixer_create(struct ct_atc *atc, struct ct_mixer **rmixer)
mixer->get_output_ports = mixer_get_output_ports;
mixer->set_input_left = mixer_set_input_left;
mixer->set_input_right = mixer_set_input_right;
#ifdef CONFIG_PM
mixer->resume = mixer_resume;
#endif
/* Allocate chip resources for mixer obj */
err = ct_mixer_get_resources(mixer);