hdac_stream.c (aaccf3c97418f169afdbb5855e9cbcbda34e90fd) hdac_stream.c (fc2a6cf060d0c6feeb3719bf40088e48c5926e40)
1/*
2 * HD-audio stream operations
3 */
4
5#include <linux/kernel.h>
6#include <linux/delay.h>
7#include <linux/export.h>
8#include <linux/clocksource.h>

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51
52 trace_snd_hdac_stream_start(bus, azx_dev);
53
54 azx_dev->start_wallclk = snd_hdac_chip_readl(bus, WALLCLK);
55 if (!fresh_start)
56 azx_dev->start_wallclk -= azx_dev->period_wallclk;
57
58 /* enable SIE */
1/*
2 * HD-audio stream operations
3 */
4
5#include <linux/kernel.h>
6#include <linux/delay.h>
7#include <linux/export.h>
8#include <linux/clocksource.h>

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51
52 trace_snd_hdac_stream_start(bus, azx_dev);
53
54 azx_dev->start_wallclk = snd_hdac_chip_readl(bus, WALLCLK);
55 if (!fresh_start)
56 azx_dev->start_wallclk -= azx_dev->period_wallclk;
57
58 /* enable SIE */
59 snd_hdac_chip_updatel(bus, INTCTL, 0, 1 << azx_dev->index);
59 snd_hdac_chip_updatel(bus, INTCTL,
60 1 << azx_dev->index,
61 1 << azx_dev->index);
60 /* set DMA start and interrupt mask */
61 snd_hdac_stream_updateb(azx_dev, SD_CTL,
62 0, SD_CTL_DMA_START | SD_INT_MASK);
63 azx_dev->running = true;
64}
65EXPORT_SYMBOL_GPL(snd_hdac_stream_start);
66
67/**

--- 653 unchanged lines hidden --- 		62 /* set DMA start and interrupt mask */
63 snd_hdac_stream_updateb(azx_dev, SD_CTL,
64 0, SD_CTL_DMA_START | SD_INT_MASK);
65 azx_dev->running = true;
66}
67EXPORT_SYMBOL_GPL(snd_hdac_stream_start);
68
69/**

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