audio: remove unused PDM controls which cause panic [1/1]

PD#SWPL-3907

Problem:
PDM controls are dynamically added or removed.
This will bring in panic.

Solution:
Remove the unused controls.

Verify:
Need stress test.

Change-Id: I69f63a0516e0812e9abb86e42f091ecb496004d4
Signed-off-by: Shuai Li <shuai.li@amlogic.com>

diff --git a/sound/soc/amlogic/auge/pdm.c b/sound/soc/amlogic/auge/pdm.c
index d4ef74f..bf92cac 100644 (file)
--- a/sound/soc/amlogic/auge/pdm.c
+++ b/sound/soc/amlogic/auge/pdm.c
@@ -185,7 +185,7 @@ static const struct snd_kcontrol_new snd_pdm_controls[] = {
                     pdm_dclk_get_enum,
                     pdm_dclk_set_enum),
 };
-
+#if 0
 static int pdm_mute_val_info(struct snd_kcontrol *kcontrol,
                struct snd_ctl_elem_info *uinfo)
 {
@@ -327,7 +327,7 @@ __error:
 
        return err;
 }
-
+#endif
 static irqreturn_t aml_pdm_isr_handler(int irq, void *data)
 {
        struct snd_pcm_substream *substream =
@@ -830,13 +830,13 @@ int aml_pdm_dai_startup(struct snd_pcm_substream *substream,
                pr_err("Can't enable pcm clk_pdm_dclk clock: %d\n", ret);
                goto err;
        }
-
+#if 0
        if (p_pdm->chipinfo && p_pdm->chipinfo->mute_fn) {
                struct snd_card *card = cpu_dai->component->card->snd_card;
 
                pdm_running_create_controls(card, p_pdm);
        }
-
+#endif
        return 0;
 err:
        pr_err("failed enable clock\n");
@@ -847,12 +847,13 @@ void aml_pdm_dai_shutdown(struct snd_pcm_substream *substream,
        struct snd_soc_dai *cpu_dai)
 {
        struct aml_pdm *p_pdm = snd_soc_dai_get_drvdata(cpu_dai);
-
+#if 0
        if (p_pdm->chipinfo && p_pdm->chipinfo->mute_fn) {
                struct snd_card *card = cpu_dai->component->card->snd_card;
 
                pdm_running_destroy_controls(card, p_pdm);
        }
+#endif
 
        /* disable clock and gate */
        clk_disable_unprepare(p_pdm->clk_pdm_dclk);