From 2f7c68cb55ecb7331f2381deb497c27155f32faf Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Wed, 03 Jan 2024 09:43:39 +0000
Subject: [PATCH] update kernel to 5.10.198
---
kernel/drivers/media/usb/tm6000/tm6000-alsa.c | 98 ++++--------------------------------------------
1 files changed, 9 insertions(+), 89 deletions(-)
diff --git a/kernel/drivers/media/usb/tm6000/tm6000-alsa.c b/kernel/drivers/media/usb/tm6000/tm6000-alsa.c
index f18cffa..3a2df36 100644
--- a/kernel/drivers/media/usb/tm6000/tm6000-alsa.c
+++ b/kernel/drivers/media/usb/tm6000/tm6000-alsa.c
@@ -10,7 +10,6 @@
#include <linux/interrupt.h>
#include <linux/usb.h>
#include <linux/slab.h>
-#include <linux/vmalloc.h>
#include <linux/delay.h>
#include <sound/core.h>
@@ -58,7 +57,7 @@
MODULE_PARM_DESC(debug, "enable debug messages");
/****************************************************************************
- Module specific funtions
+ Module specific functions
****************************************************************************/
/*
@@ -93,40 +92,6 @@
return 0;
}
-
-static void dsp_buffer_free(struct snd_pcm_substream *substream)
-{
- struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream);
-
- dprintk(2, "Freeing buffer\n");
-
- vfree(substream->runtime->dma_area);
- substream->runtime->dma_area = NULL;
- substream->runtime->dma_bytes = 0;
-}
-
-static int dsp_buffer_alloc(struct snd_pcm_substream *substream, int size)
-{
- struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream);
-
- dprintk(2, "Allocating buffer\n");
-
- if (substream->runtime->dma_area) {
- if (substream->runtime->dma_bytes > size)
- return 0;
-
- dsp_buffer_free(substream);
- }
-
- substream->runtime->dma_area = vmalloc(size);
- if (!substream->runtime->dma_area)
- return -ENOMEM;
-
- substream->runtime->dma_bytes = size;
-
- return 0;
-}
-
/****************************************************************************
ALSA PCM Interface
@@ -269,40 +234,6 @@
}
/*
- * hw_params callback
- */
-static int snd_tm6000_hw_params(struct snd_pcm_substream *substream,
- struct snd_pcm_hw_params *hw_params)
-{
- int size, rc;
-
- size = params_period_bytes(hw_params) * params_periods(hw_params);
-
- rc = dsp_buffer_alloc(substream, size);
- if (rc < 0)
- return rc;
-
- return 0;
-}
-
-/*
- * hw free callback
- */
-static int snd_tm6000_hw_free(struct snd_pcm_substream *substream)
-{
- struct snd_tm6000_card *chip = snd_pcm_substream_chip(substream);
- struct tm6000_core *core = chip->core;
-
- if (atomic_read(&core->stream_started) > 0) {
- atomic_set(&core->stream_started, 0);
- schedule_work(&core->wq_trigger);
- }
-
- dsp_buffer_free(substream);
- return 0;
-}
-
-/*
* prepare callback
*/
static int snd_tm6000_prepare(struct snd_pcm_substream *substream)
@@ -341,13 +272,13 @@
int err = 0;
switch (cmd) {
- case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */
- case SNDRV_PCM_TRIGGER_RESUME: /* fall through */
+ case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+ case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_START:
atomic_set(&core->stream_started, 1);
break;
- case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */
- case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */
+ case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+ case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_STOP:
atomic_set(&core->stream_started, 0);
break;
@@ -369,27 +300,15 @@
return chip->buf_pos;
}
-static struct page *snd_pcm_get_vmalloc_page(struct snd_pcm_substream *subs,
- unsigned long offset)
-{
- void *pageptr = subs->runtime->dma_area + offset;
-
- return vmalloc_to_page(pageptr);
-}
-
/*
* operators
*/
static const struct snd_pcm_ops snd_tm6000_pcm_ops = {
.open = snd_tm6000_pcm_open,
.close = snd_tm6000_close,
- .ioctl = snd_pcm_lib_ioctl,
- .hw_params = snd_tm6000_hw_params,
- .hw_free = snd_tm6000_hw_free,
.prepare = snd_tm6000_prepare,
.trigger = snd_tm6000_card_trigger,
.pointer = snd_tm6000_pointer,
- .page = snd_pcm_get_vmalloc_page,
};
/*
@@ -429,8 +348,8 @@
snd_printk(KERN_ERR "cannot create card instance %d\n", devnr);
return rc;
}
- strcpy(card->driver, "tm6000-alsa");
- strcpy(card->shortname, "TM5600/60x0");
+ strscpy(card->driver, "tm6000-alsa", sizeof(card->driver));
+ strscpy(card->shortname, "TM5600/60x0", sizeof(card->shortname));
sprintf(card->longname, "TM5600/60x0 Audio at bus %d device %d",
dev->udev->bus->busnum, dev->udev->devnum);
@@ -456,9 +375,10 @@
pcm->info_flags = 0;
pcm->private_data = chip;
- strcpy(pcm->name, "Trident TM5600/60x0");
+ strscpy(pcm->name, "Trident TM5600/60x0", sizeof(pcm->name));
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &snd_tm6000_pcm_ops);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0);
INIT_WORK(&dev->wq_trigger, audio_trigger);
rc = snd_card_register(card);
--
Gitblit v1.6.2