1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
From cf07127ea019b78f7ea5e009d494e2bd0bd475fa Mon Sep 17 00:00:00 2001
From: Leonard Crestez <leonard.crestez@nxp.com>
Date: Thu, 3 Oct 2019 20:44:56 +0300
Subject: [PATCH] Revert "ASoC: fsl_sai: Fix noise when using EDMA"
This reverts commit e75f4940e8ad0dd76527302a10c06b58bf7eb590.
---
sound/soc/fsl/fsl_sai.c | 15 ---------------
sound/soc/fsl/fsl_sai.h | 1 -
2 files changed, 16 deletions(-)
--- a/sound/soc/fsl/fsl_sai.c
+++ b/sound/soc/fsl/fsl_sai.c
@@ -628,16 +628,6 @@ static int fsl_sai_startup(struct snd_pc
FSL_SAI_CR3_TRCE_MASK,
FSL_SAI_CR3_TRCE);
- /*
- * EDMA controller needs period size to be a multiple of
- * tx/rx maxburst
- */
- if (sai->soc_data->use_edma)
- snd_pcm_hw_constraint_step(substream->runtime, 0,
- SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
- tx ? sai->dma_params_tx.maxburst :
- sai->dma_params_rx.maxburst);
-
ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
SNDRV_PCM_HW_PARAM_RATE, &fsl_sai_rate_constraints);
@@ -1052,35 +1042,30 @@ static int fsl_sai_remove(struct platfor
static const struct fsl_sai_soc_data fsl_sai_vf610_data = {
.use_imx_pcm = false,
- .use_edma = false,
.fifo_depth = 32,
.reg_offset = 0,
};
static const struct fsl_sai_soc_data fsl_sai_imx6sx_data = {
.use_imx_pcm = true,
- .use_edma = false,
.fifo_depth = 32,
.reg_offset = 0,
};
static const struct fsl_sai_soc_data fsl_sai_imx7ulp_data = {
.use_imx_pcm = true,
- .use_edma = false,
.fifo_depth = 16,
.reg_offset = 8,
};
static const struct fsl_sai_soc_data fsl_sai_imx8mq_data = {
.use_imx_pcm = true,
- .use_edma = false,
.fifo_depth = 128,
.reg_offset = 8,
};
static const struct fsl_sai_soc_data fsl_sai_imx8qm_data = {
.use_imx_pcm = true,
- .use_edma = true,
.fifo_depth = 64,
.reg_offset = 0,
};
--- a/sound/soc/fsl/fsl_sai.h
+++ b/sound/soc/fsl/fsl_sai.h
@@ -157,7 +157,6 @@
struct fsl_sai_soc_data {
bool use_imx_pcm;
- bool use_edma;
unsigned int fifo_depth;
unsigned int reg_offset;
};
|
