From f70575805708cabdedea7498aaa3f710fde4d920 Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 31 Jan 2024 03:29:01 +0000
Subject: [PATCH] add lvds1024*800
---
kernel/sound/soc/dwc/dwc-pcm.c | 66 ++++++++++++--------------------
1 files changed, 25 insertions(+), 41 deletions(-)
diff --git a/kernel/sound/soc/dwc/dwc-pcm.c b/kernel/sound/soc/dwc/dwc-pcm.c
index 2cc9632..9f25631 100644
--- a/kernel/sound/soc/dwc/dwc-pcm.c
+++ b/kernel/sound/soc/dwc/dwc-pcm.c
@@ -135,11 +135,12 @@
dw_pcm_transfer(dev, false);
}
-static int dw_pcm_open(struct snd_pcm_substream *substream)
+static int dw_pcm_open(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
- struct snd_soc_pcm_runtime *rtd = substream->private_data;
- struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(rtd->cpu_dai);
+ struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
+ struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(asoc_rtd_to_cpu(rtd, 0));
snd_soc_set_runtime_hwparams(substream, &dw_pcm_hardware);
snd_pcm_hw_constraint_integer(runtime, SNDRV_PCM_HW_PARAM_PERIODS);
@@ -148,18 +149,19 @@
return 0;
}
-static int dw_pcm_close(struct snd_pcm_substream *substream)
+static int dw_pcm_close(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
synchronize_rcu();
return 0;
}
-static int dw_pcm_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
+static int dw_pcm_hw_params(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream,
+ struct snd_pcm_hw_params *hw_params)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct dw_i2s_dev *dev = runtime->private_data;
- int ret;
switch (params_channels(hw_params)) {
case 2:
@@ -184,20 +186,11 @@
return -EINVAL;
}
- ret = snd_pcm_lib_malloc_pages(substream,
- params_buffer_bytes(hw_params));
- if (ret < 0)
- return ret;
- else
- return 0;
+ return 0;
}
-static int dw_pcm_hw_free(struct snd_pcm_substream *substream)
-{
- return snd_pcm_lib_free_pages(substream);
-}
-
-static int dw_pcm_trigger(struct snd_pcm_substream *substream, int cmd)
+static int dw_pcm_trigger(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream, int cmd)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct dw_i2s_dev *dev = runtime->private_data;
@@ -231,7 +224,8 @@
return ret;
}
-static snd_pcm_uframes_t dw_pcm_pointer(struct snd_pcm_substream *substream)
+static snd_pcm_uframes_t dw_pcm_pointer(struct snd_soc_component *component,
+ struct snd_pcm_substream *substream)
{
struct snd_pcm_runtime *runtime = substream->runtime;
struct dw_i2s_dev *dev = runtime->private_data;
@@ -245,34 +239,24 @@
return pos < runtime->buffer_size ? pos : 0;
}
-static int dw_pcm_new(struct snd_soc_pcm_runtime *rtd)
+static int dw_pcm_new(struct snd_soc_component *component,
+ struct snd_soc_pcm_runtime *rtd)
{
size_t size = dw_pcm_hardware.buffer_bytes_max;
- return snd_pcm_lib_preallocate_pages_for_all(rtd->pcm,
+ snd_pcm_set_managed_buffer_all(rtd->pcm,
SNDRV_DMA_TYPE_CONTINUOUS,
- snd_dma_continuous_data(GFP_KERNEL), size, size);
+ NULL, size, size);
+ return 0;
}
-
-static void dw_pcm_free(struct snd_pcm *pcm)
-{
- snd_pcm_lib_preallocate_free_for_all(pcm);
-}
-
-static const struct snd_pcm_ops dw_pcm_ops = {
- .open = dw_pcm_open,
- .close = dw_pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = dw_pcm_hw_params,
- .hw_free = dw_pcm_hw_free,
- .trigger = dw_pcm_trigger,
- .pointer = dw_pcm_pointer,
-};
static const struct snd_soc_component_driver dw_pcm_component = {
- .pcm_new = dw_pcm_new,
- .pcm_free = dw_pcm_free,
- .ops = &dw_pcm_ops,
+ .open = dw_pcm_open,
+ .close = dw_pcm_close,
+ .hw_params = dw_pcm_hw_params,
+ .trigger = dw_pcm_trigger,
+ .pointer = dw_pcm_pointer,
+ .pcm_construct = dw_pcm_new,
};
int dw_pcm_register(struct platform_device *pdev)
--
Gitblit v1.6.2