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| author | Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> | 2022-09-19 14:10:34 +0200 |
|---|---|---|
| committer | Takashi Iwai <tiwai@suse.de> | 2022-09-20 08:08:13 +0200 |
| commit | 2ea13c83bf7bb3471e33b2d902b101af977ef2d4 (patch) | |
| tree | 02a8785f827c136e0ab9dd22b28b0e82b50389e4 /sound/hda | |
| parent | fc6f923ecfa2fafd0600f1b7e2de09baf29865e2 (diff) | |
| download | lwn-2ea13c83bf7bb3471e33b2d902b101af977ef2d4.tar.gz lwn-2ea13c83bf7bb3471e33b2d902b101af977ef2d4.zip | |
ALSA: hda: make snd_hdac_stream_clear() static
This helper has no users outside of hdac_stream.c. External users
should only use snd_hdac_stream_start() and snd_hdac_stream_stop().
No functional change beyond making the function static and removing
the symbol export.
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Link: https://lore.kernel.org/r/20220919121041.43463-2-pierre-louis.bossart@linux.intel.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/hda')
| -rw-r--r-- | sound/hda/hdac_stream.c | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/sound/hda/hdac_stream.c b/sound/hda/hdac_stream.c index bdf6d4db6769..2dbde3d1cf68 100644 --- a/sound/hda/hdac_stream.c +++ b/sound/hda/hdac_stream.c @@ -112,10 +112,10 @@ void snd_hdac_stream_start(struct hdac_stream *azx_dev, bool fresh_start) EXPORT_SYMBOL_GPL(snd_hdac_stream_start); /** - * snd_hdac_stream_clear - stop a stream DMA + * snd_hdac_stream_clear - helper to clear stream registers and stop DMA transfers * @azx_dev: HD-audio core stream to stop */ -void snd_hdac_stream_clear(struct hdac_stream *azx_dev) +static void snd_hdac_stream_clear(struct hdac_stream *azx_dev) { snd_hdac_stream_updateb(azx_dev, SD_CTL, SD_CTL_DMA_START | SD_INT_MASK, 0); @@ -124,7 +124,6 @@ void snd_hdac_stream_clear(struct hdac_stream *azx_dev) snd_hdac_stream_updateb(azx_dev, SD_CTL_3B, SD_CTL_STRIPE_MASK, 0); azx_dev->running = false; } -EXPORT_SYMBOL_GPL(snd_hdac_stream_clear); /** * snd_hdac_stream_stop - stop a stream |