ASoC: Move pop time from DAPM context to sound card

Based on discussion the dapm_pop_time in debugsfs should be per card rather
than per device. Single pop time value for entire card is cleaner when the
DAPM sequencing is extended to cross-device paths.

debugfs/asoc/{card->name}/{codec dir}/dapm_pop_time
->
debugfs/asoc/{card->name}/dapm_pop_time

Signed-off-by: Jarkko Nikula <jhnikula@gmail.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>

include/sound/soc.h

@@ -457,7 +457,6 @@ struct snd_soc_codec {
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs_codec_root;
 	struct dentry *debugfs_reg;
-	struct dentry *debugfs_pop_time;
 	struct dentry *debugfs_dapm;
 #endif
 };
@@ -592,7 +591,9 @@ struct snd_soc_card {
 
 #ifdef CONFIG_DEBUG_FS
 	struct dentry *debugfs_card_root;
+	struct dentry *debugfs_pop_time;
 #endif
+	u32 pop_time;
 };
 
 /* SoC machine DAI configuration, glues a codec and cpu DAI together */