From 5e625dd5792ea7ea0bf462f4f13a2dc6d8183058 Mon Sep 17 00:00:00 2001
From: Takashi Iwai <tiwai@suse.de>
Date: Tue, 10 Dec 2019 14:58:37 +0100
Subject: [PATCH] media: tw686x: Use managed buffer allocation
Git-commit: 5e625dd5792ea7ea0bf462f4f13a2dc6d8183058
Patch-mainline: v5.6-rc1
References: jsc#SLE-16518
Clean up the driver with the new managed buffer allocation API.
The hw_params and hw_free callbacks became superfluous and dropped.
Cc: Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
---
drivers/media/pci/tw686x/tw686x-audio.c | 15 +--------------
1 file changed, 1 insertion(+), 14 deletions(-)
diff --git a/drivers/media/pci/tw686x/tw686x-audio.c b/drivers/media/pci/tw686x/tw686x-audio.c
index 7786e51d19ae..f5065c72bb28 100644
--- a/drivers/media/pci/tw686x/tw686x-audio.c
+++ b/drivers/media/pci/tw686x/tw686x-audio.c
@@ -78,17 +78,6 @@ void tw686x_audio_irq(struct tw686x_dev *dev, unsigned long requests,
}
}
-static int tw686x_pcm_hw_params(struct snd_pcm_substream *ss,
- struct snd_pcm_hw_params *hw_params)
-{
- return snd_pcm_lib_malloc_pages(ss, params_buffer_bytes(hw_params));
-}
-
-static int tw686x_pcm_hw_free(struct snd_pcm_substream *ss)
-{
- return snd_pcm_lib_free_pages(ss);
-}
-
/*
* Audio parameters are global and shared among all
* capture channels. The driver prevents changes to
@@ -270,8 +259,6 @@ static const struct snd_pcm_ops tw686x_pcm_ops = {
.open = tw686x_pcm_open,
.close = tw686x_pcm_close,
.ioctl = snd_pcm_lib_ioctl,
- .hw_params = tw686x_pcm_hw_params,
- .hw_free = tw686x_pcm_hw_free,
.prepare = tw686x_pcm_prepare,
.trigger = tw686x_pcm_trigger,
.pointer = tw686x_pcm_pointer,
@@ -298,7 +285,7 @@ static int tw686x_snd_pcm_init(struct tw686x_dev *dev)
ss; ss = ss->next, i++)
snprintf(ss->name, sizeof(ss->name), "vch%u audio", i);
- snd_pcm_lib_preallocate_pages_for_all(pcm,
+ snd_pcm_set_managed_buffer_all(pcm,
SNDRV_DMA_TYPE_DEV,
&dev->pci_dev->dev,
TW686X_AUDIO_PAGE_MAX * AUDIO_DMA_SIZE_MAX,
--
2.16.4