5b51fa2794e0dc9253d24d10dd920cc10c3c5ba6
[openwrt/staging/thess.git] /
1 From cf07127ea019b78f7ea5e009d494e2bd0bd475fa Mon Sep 17 00:00:00 2001
2 From: Leonard Crestez <leonard.crestez@nxp.com>
3 Date: Thu, 3 Oct 2019 20:44:56 +0300
4 Subject: [PATCH] Revert "ASoC: fsl_sai: Fix noise when using EDMA"
5
6 This reverts commit e75f4940e8ad0dd76527302a10c06b58bf7eb590.
7 ---
8 sound/soc/fsl/fsl_sai.c | 15 ---------------
9 sound/soc/fsl/fsl_sai.h | 1 -
10 2 files changed, 16 deletions(-)
11
12 --- a/sound/soc/fsl/fsl_sai.c
13 +++ b/sound/soc/fsl/fsl_sai.c
14 @@ -628,16 +628,6 @@ static int fsl_sai_startup(struct snd_pc
15 FSL_SAI_CR3_TRCE_MASK,
16 FSL_SAI_CR3_TRCE);
17
18 - /*
19 - * EDMA controller needs period size to be a multiple of
20 - * tx/rx maxburst
21 - */
22 - if (sai->soc_data->use_edma)
23 - snd_pcm_hw_constraint_step(substream->runtime, 0,
24 - SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
25 - tx ? sai->dma_params_tx.maxburst :
26 - sai->dma_params_rx.maxburst);
27 -
28 ret = snd_pcm_hw_constraint_list(substream->runtime, 0,
29 SNDRV_PCM_HW_PARAM_RATE, &fsl_sai_rate_constraints);
30
31 @@ -1049,35 +1039,30 @@ static int fsl_sai_remove(struct platfor
32
33 static const struct fsl_sai_soc_data fsl_sai_vf610_data = {
34 .use_imx_pcm = false,
35 - .use_edma = false,
36 .fifo_depth = 32,
37 .reg_offset = 0,
38 };
39
40 static const struct fsl_sai_soc_data fsl_sai_imx6sx_data = {
41 .use_imx_pcm = true,
42 - .use_edma = false,
43 .fifo_depth = 32,
44 .reg_offset = 0,
45 };
46
47 static const struct fsl_sai_soc_data fsl_sai_imx7ulp_data = {
48 .use_imx_pcm = true,
49 - .use_edma = false,
50 .fifo_depth = 16,
51 .reg_offset = 8,
52 };
53
54 static const struct fsl_sai_soc_data fsl_sai_imx8mq_data = {
55 .use_imx_pcm = true,
56 - .use_edma = false,
57 .fifo_depth = 128,
58 .reg_offset = 8,
59 };
60
61 static const struct fsl_sai_soc_data fsl_sai_imx8qm_data = {
62 .use_imx_pcm = true,
63 - .use_edma = true,
64 .fifo_depth = 64,
65 .reg_offset = 0,
66 };
67 --- a/sound/soc/fsl/fsl_sai.h
68 +++ b/sound/soc/fsl/fsl_sai.h
69 @@ -157,7 +157,6 @@
70
71 struct fsl_sai_soc_data {
72 bool use_imx_pcm;
73 - bool use_edma;
74 unsigned int fifo_depth;
75 unsigned int reg_offset;
76 };