ASoC: tegra: Memory leak due to BE HW constraint

- The issue was happening because dapm core was not deallocating
  the hw contraints rules memory.
  Memory leak backtrace from cat /sys/kernel/debug/kmemleak:
    [<0000000046fdaf4f>] slab_post_alloc_hook+0x6c/0x3e0
    [<00000000989dfc0e>] __kmalloc_track_caller+0x1b8/0x400
    [<00000000505e39ec>] krealloc+0xe8/0x160
    [<000000009cc82a21>] snd_pcm_hw_rule_add+0x164/0x1a0
    [<00000000aa77851e>] snd_pcm_hw_constraint_list+0x28/0x30
    [<000000009b2cd5c6>] tegra210_ahub_write_ram+0xa8/0xb60
    [<00000000a61d7069>] snd_soc_dai_startup+0x40/0xa0
    [<00000000a7452879>] snd_soc_dai_link_event+0x334/0x600
    [<000000008c5771de>] dapm_seq_check_event+0x120/0x330
    [<00000000be740a3d>] dapm_seq_run_coalesced+0xb0/0x250
    [<0000000003732007>] dapm_seq_run+0xf0/0x510
    [<00000000cbb85eb0>] dapm_power_widgets+0x58c/0xac0
    [<00000000b96c5548>] snd_soc_dapm_stream_event+0x128/0x170
    [<0000000027bb14bc>] soc_pcm_prepare+0x70/0x110
    [<00000000d44b9075>] snd_pcm_do_prepare+0x34/0x50
    [<000000005664d4d5>] snd_pcm_action_single+0x4c/0xa0

- For BE dais HW constraints won't take any impact and only for FE
  dais it is required. So added it in component driver open callback.

Bug 200773796

Signed-off-by: Sheetal <sheetal@nvidia.com>
Change-Id: Ic4c1bf881b914bda03bda8e97816cf1c6dee4052
Reviewed-on: https://git-master.nvidia.com/r/c/linux-5.10/+/2596443
Reviewed-by: Sameer Pujar <spujar@nvidia.com>
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Mohan Kumar D <mkumard@nvidia.com>
Reviewed-by: Viswanath L <viswanathl@nvidia.com>
Reviewed-by: svc_kernel_abi <svc_kernel_abi@nvidia.com>
Reviewed-by: Sharad Gupta <sharadg@nvidia.com>
Reviewed-by: mobile promotions <svcmobile_promotions@nvidia.com>
GVS: Gerrit_Virtual_Submit
Tested-by: mobile promotions <svcmobile_promotions@nvidia.com>

sound/soc/tegra/tegra210_admaif.c

@@ -40,16 +40,6 @@
 		chip ## _ADMAIF_TX_BASE,				       \
 		chip ## _ADMAIF_RX_BASE)
 
-static unsigned int tegra_supported_admaif_rate[] = {
-	8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000,
-	64000, 88200, 96000, 176400, 192000,
-};
-
-static struct snd_pcm_hw_constraint_list tegra_admaif_rate_constraints = {
-	.count = ARRAY_SIZE(tegra_supported_admaif_rate),
-	.list = tegra_supported_admaif_rate,
-};
-
 static const struct reg_default tegra186_admaif_reg_defaults[] = {
 	{(TEGRA_ADMAIF_GLOBAL_CG_0 + TEGRA186_ADMAIF_GLOBAL_BASE), 0x00000003},
 	ADMAIF_REG_DEFAULTS(1, TEGRA186),
@@ -455,16 +445,8 @@ static int tegra_admaif_trigger(struct snd_pcm_substream *substream, int cmd,
 	}
 }
 
-static int tegra_admaif_startup(struct snd_pcm_substream *substream,
-					struct snd_soc_dai *dai)
-{
-	return snd_pcm_hw_constraint_list(substream->runtime, 0,
-			SNDRV_PCM_HW_PARAM_RATE, &tegra_admaif_rate_constraints);
-}
-
 static const struct snd_soc_dai_ops tegra_admaif_dai_ops = {
 	.hw_params	= tegra_admaif_hw_params,
-	.startup	= tegra_admaif_startup,
 	.trigger	= tegra_admaif_trigger,
 	.shutdown	= tegra_admaif_shutdown,
 	.prepare	= tegra_admaif_prepare,

sound/soc/tegra/tegra210_ahub.c

@@ -14,16 +14,6 @@
 #include <sound/soc.h>
 #include "tegra210_ahub.h"
 
-static unsigned int tegra_supported_ahub_rate[] = {
-	8000, 11025, 16000, 22050, 24000, 32000, 44100, 48000,
-	64000, 88200, 96000, 176400, 192000,
-};
-
-static struct snd_pcm_hw_constraint_list tegra_ahub_rate_constraints = {
-	.count = ARRAY_SIZE(tegra_supported_ahub_rate),
-	.list = tegra_supported_ahub_rate,
-};
-
 static int tegra_ahub_get_value_enum(struct snd_kcontrol *kctl,
 				     struct snd_ctl_elem_value *uctl)
 {
@@ -146,17 +136,6 @@ void tegra210_ahub_read_ram(struct regmap *regmap, unsigned int reg_ctrl,
 }
 EXPORT_SYMBOL_GPL(tegra210_ahub_read_ram);
 
-static int tegra_ahub_startup(struct snd_pcm_substream *substream,
-					struct snd_soc_dai *dai)
-{
-	return snd_pcm_hw_constraint_list(substream->runtime, 0,
-			SNDRV_PCM_HW_PARAM_RATE, &tegra_ahub_rate_constraints);
-}
-
-static struct snd_soc_dai_ops tegra_ahub_dai_ops = {
-	.startup	= tegra_ahub_startup,
-};
-
 static struct snd_soc_dai_driver tegra210_ahub_dais[] = {
 	DAI(ADMAIF1),
 	DAI(ADMAIF2),

sound/soc/tegra/tegra210_ahub.h

@@ -118,7 +118,6 @@
 				SNDRV_PCM_FMTBIT_S24_LE |		\
 				SNDRV_PCM_FMTBIT_S32_LE,		\
 		},							\
-		.ops = &tegra_ahub_dai_ops,		\
 	}
 
 struct tegra_ahub_soc_data {