From: Takashi Iwai <tiwai@suse.de> To: linux-media@vger.kernel.org Cc: alsa-devel@alsa-project.org, Takashi Iwai <tiwai@suse.de>, Hans Verkuil <hverkuil-cisco@xs4all.nl>, Mauro Carvalho Chehab <mchehab@kernel.org> Subject: [PATCH for-5.6 09/14] media: go7007: Clean up ALSA PCM API usages Date: Tue, 10 Dec 2019 14:58:44 +0100 [thread overview] Message-ID: <20191210135849.15607-10-tiwai@suse.de> (raw) In-Reply-To: <20191210135849.15607-1-tiwai@suse.de> With the recent change in ALSA PCM core, the whole open-coded vmalloc buffer handling in this driver can be dropped by replacing with the managed buffer allocation. Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- drivers/media/usb/go7007/snd-go7007.c | 24 +++--------------------- 1 file changed, 3 insertions(+), 21 deletions(-) diff --git a/drivers/media/usb/go7007/snd-go7007.c b/drivers/media/usb/go7007/snd-go7007.c index b05fa227ffb2..40dbf081ef6b 100644 --- a/drivers/media/usb/go7007/snd-go7007.c +++ b/drivers/media/usb/go7007/snd-go7007.c @@ -9,7 +9,6 @@ #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/sched.h> -#include <linux/vmalloc.h> #include <linux/time.h> #include <linux/mm.h> #include <linux/i2c.h> @@ -100,16 +99,7 @@ static int go7007_snd_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct go7007 *go = snd_pcm_substream_chip(substream); - unsigned int bytes; - - bytes = params_buffer_bytes(hw_params); - if (substream->runtime->dma_bytes > 0) - vfree(substream->runtime->dma_area); - substream->runtime->dma_bytes = 0; - substream->runtime->dma_area = vmalloc(bytes); - if (substream->runtime->dma_area == NULL) - return -ENOMEM; - substream->runtime->dma_bytes = bytes; + go->audio_deliver = parse_audio_stream_data; return 0; } @@ -119,9 +109,6 @@ static int go7007_snd_hw_free(struct snd_pcm_substream *substream) struct go7007 *go = snd_pcm_substream_chip(substream); go->audio_deliver = NULL; - if (substream->runtime->dma_bytes > 0) - vfree(substream->runtime->dma_area); - substream->runtime->dma_bytes = 0; return 0; } @@ -185,12 +172,6 @@ static snd_pcm_uframes_t go7007_snd_pcm_pointer(struct snd_pcm_substream *substr return gosnd->hw_ptr; } -static struct page *go7007_snd_pcm_page(struct snd_pcm_substream *substream, - unsigned long offset) -{ - return vmalloc_to_page(substream->runtime->dma_area + offset); -} - static const struct snd_pcm_ops go7007_snd_capture_ops = { .open = go7007_snd_capture_open, .close = go7007_snd_capture_close, @@ -200,7 +181,6 @@ static const struct snd_pcm_ops go7007_snd_capture_ops = { .prepare = go7007_snd_pcm_prepare, .trigger = go7007_snd_pcm_trigger, .pointer = go7007_snd_pcm_pointer, - .page = go7007_snd_pcm_page, }; static int go7007_snd_free(struct snd_device *device) @@ -260,6 +240,8 @@ int go7007_snd_init(struct go7007 *go) gosnd->pcm->private_data = go; snd_pcm_set_ops(gosnd->pcm, SNDRV_PCM_STREAM_CAPTURE, &go7007_snd_capture_ops); + snd_pcm_set_managed_buffer_all(gosnd->pcm, SNDRV_DMA_TYPE_VMALLOC, + NULL, 0, 0); ret = snd_card_register(gosnd->card); if (ret < 0) { -- 2.16.4
WARNING: multiple messages have this Message-ID (diff)
From: Takashi Iwai <tiwai@suse.de> To: linux-media@vger.kernel.org Cc: Takashi Iwai <tiwai@suse.de>, Hans Verkuil <hverkuil-cisco@xs4all.nl>, alsa-devel@alsa-project.org, Mauro Carvalho Chehab <mchehab@kernel.org> Subject: [alsa-devel] [PATCH for-5.6 09/14] media: go7007: Clean up ALSA PCM API usages Date: Tue, 10 Dec 2019 14:58:44 +0100 [thread overview] Message-ID: <20191210135849.15607-10-tiwai@suse.de> (raw) In-Reply-To: <20191210135849.15607-1-tiwai@suse.de> With the recent change in ALSA PCM core, the whole open-coded vmalloc buffer handling in this driver can be dropped by replacing with the managed buffer allocation. Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl> Cc: Mauro Carvalho Chehab <mchehab@kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de> --- drivers/media/usb/go7007/snd-go7007.c | 24 +++--------------------- 1 file changed, 3 insertions(+), 21 deletions(-) diff --git a/drivers/media/usb/go7007/snd-go7007.c b/drivers/media/usb/go7007/snd-go7007.c index b05fa227ffb2..40dbf081ef6b 100644 --- a/drivers/media/usb/go7007/snd-go7007.c +++ b/drivers/media/usb/go7007/snd-go7007.c @@ -9,7 +9,6 @@ #include <linux/spinlock.h> #include <linux/delay.h> #include <linux/sched.h> -#include <linux/vmalloc.h> #include <linux/time.h> #include <linux/mm.h> #include <linux/i2c.h> @@ -100,16 +99,7 @@ static int go7007_snd_hw_params(struct snd_pcm_substream *substream, struct snd_pcm_hw_params *hw_params) { struct go7007 *go = snd_pcm_substream_chip(substream); - unsigned int bytes; - - bytes = params_buffer_bytes(hw_params); - if (substream->runtime->dma_bytes > 0) - vfree(substream->runtime->dma_area); - substream->runtime->dma_bytes = 0; - substream->runtime->dma_area = vmalloc(bytes); - if (substream->runtime->dma_area == NULL) - return -ENOMEM; - substream->runtime->dma_bytes = bytes; + go->audio_deliver = parse_audio_stream_data; return 0; } @@ -119,9 +109,6 @@ static int go7007_snd_hw_free(struct snd_pcm_substream *substream) struct go7007 *go = snd_pcm_substream_chip(substream); go->audio_deliver = NULL; - if (substream->runtime->dma_bytes > 0) - vfree(substream->runtime->dma_area); - substream->runtime->dma_bytes = 0; return 0; } @@ -185,12 +172,6 @@ static snd_pcm_uframes_t go7007_snd_pcm_pointer(struct snd_pcm_substream *substr return gosnd->hw_ptr; } -static struct page *go7007_snd_pcm_page(struct snd_pcm_substream *substream, - unsigned long offset) -{ - return vmalloc_to_page(substream->runtime->dma_area + offset); -} - static const struct snd_pcm_ops go7007_snd_capture_ops = { .open = go7007_snd_capture_open, .close = go7007_snd_capture_close, @@ -200,7 +181,6 @@ static const struct snd_pcm_ops go7007_snd_capture_ops = { .prepare = go7007_snd_pcm_prepare, .trigger = go7007_snd_pcm_trigger, .pointer = go7007_snd_pcm_pointer, - .page = go7007_snd_pcm_page, }; static int go7007_snd_free(struct snd_device *device) @@ -260,6 +240,8 @@ int go7007_snd_init(struct go7007 *go) gosnd->pcm->private_data = go; snd_pcm_set_ops(gosnd->pcm, SNDRV_PCM_STREAM_CAPTURE, &go7007_snd_capture_ops); + snd_pcm_set_managed_buffer_all(gosnd->pcm, SNDRV_DMA_TYPE_VMALLOC, + NULL, 0, 0); ret = snd_card_register(gosnd->card); if (ret < 0) { -- 2.16.4 _______________________________________________ Alsa-devel mailing list Alsa-devel@alsa-project.org https://mailman.alsa-project.org/mailman/listinfo/alsa-devel
next prev parent reply other threads:[~2019-12-10 13:59 UTC|newest] Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top 2019-12-10 13:58 [PATCH for-5.6 00/14] media: ALSA PCM API updates Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 01/14] media: solo6x10: Use managed buffer allocation Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-16 23:42 ` Ismael Luceno 2019-12-16 23:42 ` [alsa-devel] " Ismael Luceno 2019-12-10 13:58 ` [PATCH for-5.6 02/14] media: tw686x: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 03/14] media: usbtv: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 04/14] media: cobalt: Clean up ALSA PCM API usages Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 05/14] media: cx18: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 06/14] media: ivtv: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 07/14] media: cs231xx: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 08/14] media: em28xx: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` Takashi Iwai [this message] 2019-12-10 13:58 ` [alsa-devel] [PATCH for-5.6 09/14] media: go7007: " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 10/14] media: tm6000: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 11/14] media: cobalt: Drop superfluous ioctl PCM ops Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 12/14] media: cx18: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 13/14] media: ivtv: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-10 13:58 ` [PATCH for-5.6 14/14] media: " Takashi Iwai 2019-12-10 13:58 ` [alsa-devel] " Takashi Iwai 2019-12-16 23:43 ` Ismael Luceno 2019-12-16 23:43 ` [alsa-devel] " Ismael Luceno
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