linux-kernel - [RESEND PATCH 10/10] ASoC: tegra: Tegra264 support in isomgr

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Message-ID: <20250422093815.506810-11-sheetal@nvidia.com>
Date: Tue, 22 Apr 2025 09:38:15 +0000
From: "Sheetal ." <sheetal@...dia.com>
To: <broonie@...nel.org>, <robh@...nel.org>, <krzk+dt@...nel.org>,
	<conor+dt@...nel.org>, <linux-sound@...r.kernel.org>
CC: <linux-tegra@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
	<devicetree@...r.kernel.org>, <lgirdwood@...il.com>, <tiwai@...e.com>,
	<jonathanh@...dia.com>, <thierry.reding@...il.com>, <mkumard@...dia.com>,
	<spujar@...dia.com>, Sheetal <sheetal@...dia.com>
Subject: [RESEND PATCH 10/10] ASoC: tegra: Tegra264 support in isomgr_bw

From: Sheetal <sheetal@...dia.com>

Tegra264 supports max 32 channels, hence calculating the max
bandwidth using the channel info from soc_data.

Signed-off-by: Sheetal <sheetal@...dia.com>
---
 sound/soc/tegra/tegra_isomgr_bw.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/sound/soc/tegra/tegra_isomgr_bw.c b/sound/soc/tegra/tegra_isomgr_bw.c
index 18e802bca6a6..fa979960bc09 100644
--- a/sound/soc/tegra/tegra_isomgr_bw.c
+++ b/sound/soc/tegra/tegra_isomgr_bw.c
@@ -11,8 +11,8 @@
 #include "tegra_isomgr_bw.h"
 #include "tegra210_admaif.h"
 
-/* Max possible rate is 192KHz x 16channel x 4bytes */
-#define MAX_BW_PER_DEV 12288
+#define MAX_SAMPLE_RATE		192	/* KHz*/
+#define MAX_BYTES_PER_SAMPLE	4
 
 int tegra_isomgr_adma_setbw(struct snd_pcm_substream *substream,
 			    struct snd_soc_dai *dai, bool is_running)
@@ -98,7 +98,8 @@ int tegra_isomgr_adma_register(struct device *dev)
 	}
 
 	adma_isomgr->max_pcm_device = admaif->soc_data->num_ch;
-	adma_isomgr->max_bw = STREAM_TYPE * MAX_BW_PER_DEV * adma_isomgr->max_pcm_device;
+	adma_isomgr->max_bw = STREAM_TYPE * MAX_SAMPLE_RATE * MAX_BYTES_PER_SAMPLE *
+			      admaif->soc_data->max_stream_ch * adma_isomgr->max_pcm_device;
 
 	for (i = 0; i < STREAM_TYPE; i++) {
 		adma_isomgr->bw_per_dev[i] = devm_kzalloc(dev, adma_isomgr->max_pcm_device *
-- 
2.17.1