ASoC: Intel: Skylake: Introduce single place for pipe-config selection

Provide a single location for pipe config selection where all fields
that have to be updated whenever ->pipe_config_idx changes can be
updated accordingly.
Signed-off-by: Cezary Rojewski <cezary.rojewski@intel.com>
Tested-by: Lukasz Majczak <lma@semihlaf.com>
Link: https://lore.kernel.org/r/20221205085330.857665-5-cezary.rojewski@intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/intel/skylake/skl-topology.c

@@ -582,6 +582,12 @@ static int skl_tplg_unload_pipe_modules(struct skl_dev *skl,
 	return ret;
 }
 
+static void skl_tplg_set_pipe_config_idx(struct skl_pipe *pipe, int idx)
+{
+	pipe->cur_config_idx = idx;
+	pipe->memory_pages = pipe->configs[idx].mem_pages;
+}
+
 /*
  * Here, we select pipe format based on the pipe type and pipe
  * direction to determine the current config index for the pipeline.
@@ -600,16 +606,14 @@ skl_tplg_get_pipe_config(struct skl_dev *skl, struct skl_module_cfg *mconfig)
 	int i;
 
 	if (pipe->nr_cfgs == 0) {
-		pipe->cur_config_idx = 0;
+		skl_tplg_set_pipe_config_idx(pipe, 0);
 		return 0;
 	}
 
 	if (pipe->conn_type == SKL_PIPE_CONN_TYPE_NONE || pipe->nr_cfgs == 1) {
 		dev_dbg(skl->dev, "No conn_type or just 1 pathcfg, taking 0th for %d\n",
 			pipe->ppl_id);
-		pipe->cur_config_idx = 0;
-		pipe->memory_pages = pconfig->mem_pages;
-
+		skl_tplg_set_pipe_config_idx(pipe, 0);
 		return 0;
 	}
 
@@ -628,10 +632,8 @@ skl_tplg_get_pipe_config(struct skl_dev *skl, struct skl_module_cfg *mconfig)
 
 		if (CHECK_HW_PARAMS(params->ch, params->s_freq, params->s_fmt,
 				    fmt->channels, fmt->freq, fmt->bps)) {
-			pipe->cur_config_idx = i;
-			pipe->memory_pages = pconfig->mem_pages;
+			skl_tplg_set_pipe_config_idx(pipe, i);
 			dev_dbg(skl->dev, "Using pipe config: %d\n", i);
-
 			return 0;
 		}
 	}
@@ -1351,7 +1353,7 @@ static int skl_tplg_multi_config_set_get(struct snd_kcontrol *kcontrol,
 		return -EIO;
 
 	if (is_set)
-		pipe->cur_config_idx = ucontrol->value.enumerated.item[0];
+		skl_tplg_set_pipe_config_idx(pipe, ucontrol->value.enumerated.item[0]);
 	else
 		ucontrol->value.enumerated.item[0] = pipe->cur_config_idx;