32 lines
1.1 KiB
Diff
32 lines
1.1 KiB
Diff
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From 688004a6acf7d1d568a660546816a092b6cc32ed Mon Sep 17 00:00:00 2001
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From: "MONTANARO Luciano (MM)" <luciano.montanaro@magnetimarelli.com>
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Date: Tue, 4 Mar 2014 12:51:36 +0100
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Subject: [PATCH] pcm: Wrap hw_ptr to boundary in pcm_ioplug
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The function snd_pcm_ioplug_hw_ptr_update() always increased the hw_ptr
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by delta, without wrapping it to the boundary. This would lead to
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problems when after many hours, the hw_ptr would overflow.
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Signed-off-by: Luciano Montanaro <luciano.montanaro@magnetimarelli.com>
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Signed-off-by: Jaroslav Kysela <perex@perex.cz>
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---
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src/pcm/pcm_ioplug.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/src/pcm/pcm_ioplug.c b/src/pcm/pcm_ioplug.c
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index a90c844598bd..c1c3a9835d47 100644
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--- a/src/pcm/pcm_ioplug.c
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+++ b/src/pcm/pcm_ioplug.c
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@@ -60,7 +60,7 @@ static void snd_pcm_ioplug_hw_ptr_update(snd_pcm_t *pcm)
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delta = hw - io->last_hw;
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else
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delta = pcm->buffer_size + hw - io->last_hw;
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- io->data->hw_ptr += delta;
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+ snd_pcm_mmap_hw_forward(io->data->pcm, delta);
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io->last_hw = hw;
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} else
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io->data->state = SNDRV_PCM_STATE_XRUN;
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--
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1.9.0
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