ASoC: dapm: Add output driver widget

In some cases it was not possible to follow the appropiate power
ON/OFF sequence like in cases where the PGA needs to be enabled
before the driver and disabled before the PGA for pop reduction.

Add a widget to support output driver (speaker, haptic, vibra, etc)
drivers where power ON/OFF ordering is important.

Signed-off-by: Margarita Olaya Cabrera <magi.olaya@ti.com>
Acked-by: Liam Girdwood <lrg@slimlogic.co.uk>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c
index b521a139305a..3d310af28907 100644
--- a/sound/soc/soc-dapm.c
+++ b/sound/soc/soc-dapm.c
@@ -62,6 +62,7 @@ static int dapm_up_seq[] = {
         [snd_soc_dapm_mixer_named_ctl] = 7,
         [snd_soc_dapm_pga] = 8,
         [snd_soc_dapm_adc] = 9,
+        [snd_soc_dapm_out_drv] = 10,
         [snd_soc_dapm_hp] = 10,
         [snd_soc_dapm_spk] = 10,
         [snd_soc_dapm_post] = 11,
@@ -72,6 +73,7 @@ static int dapm_down_seq[] = {
         [snd_soc_dapm_adc] = 1,
         [snd_soc_dapm_hp] = 2,
         [snd_soc_dapm_spk] = 2,
+        [snd_soc_dapm_out_drv] = 2,
         [snd_soc_dapm_pga] = 4,
         [snd_soc_dapm_mixer_named_ctl] = 5,
         [snd_soc_dapm_mixer] = 5,
@@ -235,6 +237,7 @@ static void dapm_set_path_status(struct snd_soc_dapm_widget *w,
         break;
         /* does not effect routing - always connected */
         case snd_soc_dapm_pga:
+        case snd_soc_dapm_out_drv:
         case snd_soc_dapm_output:
         case snd_soc_dapm_adc:
         case snd_soc_dapm_input:
@@ -1250,6 +1253,7 @@ static ssize_t dapm_widget_show(struct device *dev,
                 case snd_soc_dapm_dac:
                 case snd_soc_dapm_adc:
                 case snd_soc_dapm_pga:
+                case snd_soc_dapm_out_drv:
                 case snd_soc_dapm_mixer:
                 case snd_soc_dapm_mixer_named_ctl:
                 case snd_soc_dapm_supply:
@@ -1428,6 +1432,7 @@ static int snd_soc_dapm_add_route(struct snd_soc_dapm_context *dapm,
         case snd_soc_dapm_adc:
         case snd_soc_dapm_dac:
         case snd_soc_dapm_pga:
+        case snd_soc_dapm_out_drv:
         case snd_soc_dapm_input:
         case snd_soc_dapm_output:
         case snd_soc_dapm_micbias:
@@ -1545,6 +1550,7 @@ int snd_soc_dapm_new_widgets(struct snd_soc_dapm_context *dapm)
                         w->power_check = dapm_dac_check_power;
                         break;
                 case snd_soc_dapm_pga:
+                case snd_soc_dapm_out_drv:
                         w->power_check = dapm_generic_check_power;
                         dapm_new_pga(dapm, w);
                         break;