ASoC: wm_hubs: Make sure we don't disable differential line outputs

While we need to clean up unused single ended line outputs we don't want
to do this if the outputs are in differential mode.

Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

diff --git a/sound/soc/codecs/wm_hubs.c b/sound/soc/codecs/wm_hubs.c
index f13f2886339ca4dee110746da3bbe838d99976c1..6c028c4706016e1f56bb36114d6ee9108e597736 100644 (file)
--- a/sound/soc/codecs/wm_hubs.c
+++ b/sound/soc/codecs/wm_hubs.c
@@ -1035,7 +1035,7 @@ void wm_hubs_set_bias_level(struct snd_soc_codec *codec,
                            enum snd_soc_bias_level level)
 {
        struct wm_hubs_data *hubs = snd_soc_codec_get_drvdata(codec);
-       int val;
+       int mask, val;
 
        switch (level) {
        case SND_SOC_BIAS_STANDBY:
@@ -1047,6 +1047,13 @@ void wm_hubs_set_bias_level(struct snd_soc_codec *codec,
        case SND_SOC_BIAS_ON:
                /* Turn off any unneded single ended outputs */
                val = 0;
+               mask = 0;
+
+               if (hubs->lineout1_se)
+                       mask |= WM8993_LINEOUT1N_ENA | WM8993_LINEOUT1P_ENA;
+
+               if (hubs->lineout2_se)
+                       mask |= WM8993_LINEOUT2N_ENA | WM8993_LINEOUT2P_ENA;
 
                if (hubs->lineout1_se && hubs->lineout1n_ena)
                        val |= WM8993_LINEOUT1N_ENA;
@@ -1061,11 +1068,7 @@ void wm_hubs_set_bias_level(struct snd_soc_codec *codec,
                        val |= WM8993_LINEOUT2P_ENA;
 
                snd_soc_update_bits(codec, WM8993_POWER_MANAGEMENT_3,
-                                   WM8993_LINEOUT1N_ENA |
-                                   WM8993_LINEOUT1P_ENA |
-                                   WM8993_LINEOUT2N_ENA |
-                                   WM8993_LINEOUT2P_ENA,
-                                   val);
+                                   mask, val);
 
                /* Remove the input clamps */
                snd_soc_update_bits(codec, WM8993_INPUTS_CLAMP_REG,