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| author | Andreas Schneider <asn@cryptomilk.org> | 2017-01-31 11:48:22 +0100 |
|---|---|---|
| committer | Andreas Schneider <asn@cryptomilk.org> | 2017-02-02 13:15:09 +0100 |
| commit | 3b643835f94a8744ed6cb0db210741cd8a7c5c73 (patch) | |
| tree | 52f8c98971d18f8a11778c03559ff022200303a1 /audio | |
| parent | 56204f6d19518dd008f6b4669a4777761ca72244 (diff) | |
| download | hardware_samsung-3b643835f94a8744ed6cb0db210741cd8a7c5c73.tar.gz hardware_samsung-3b643835f94a8744ed6cb0db210741cd8a7c5c73.tar.bz2 hardware_samsung-3b643835f94a8744ed6cb0db210741cd8a7c5c73.zip | |
audio: Disable support for IRQ affinity by default
Change-Id: I410f0037747149471a1d5fe7cf38720121938822
Diffstat (limited to 'audio')
| -rw-r--r-- | audio/audio_hw.c | 6 | ||||
| -rw-r--r-- | audio/include/samsung_audio.h | 6 |
2 files changed, 12 insertions, 0 deletions
diff --git a/audio/audio_hw.c b/audio/audio_hw.c index e77c167..b19020b 100644 --- a/audio/audio_hw.c +++ b/audio/audio_hw.c @@ -2750,6 +2750,7 @@ static int out_set_volume(struct audio_stream_out *stream, float left, return -ENOSYS; } +#if SUPPORTS_IRQ_AFFINITY static int fast_set_affinity(pid_t tid) { cpu_set_t cpu_set; int cpu_num; @@ -2772,6 +2773,7 @@ static int fast_set_affinity(pid_t tid) { CPU_SET(cpu_num, &cpu_set); return sched_setaffinity(tid, sizeof(cpu_set), &cpu_set); } +#endif static ssize_t out_write(struct audio_stream_out *stream, const void *buffer, size_t bytes) @@ -2795,6 +2797,7 @@ static ssize_t out_write(struct audio_stream_out *stream, const void *buffer, lock_output_stream(out); +#if SUPPORTS_IRQ_AFFINITY if (out->usecase == USECASE_AUDIO_PLAYBACK && !out->is_fastmixer_affinity_set) { tid = gettid(); err = fast_set_affinity(tid); @@ -2803,6 +2806,7 @@ static ssize_t out_write(struct audio_stream_out *stream, const void *buffer, } out->is_fastmixer_affinity_set = true; } +#endif if (out->standby) { #ifdef PREPROCESSING_ENABLED @@ -3362,6 +3366,7 @@ static ssize_t in_read(struct audio_stream_in *stream, void *buffer, /* no need to acquire adev->lock_inputs because API contract prevents a close */ lock_input_stream(in); +#if SUPPORTS_IRQ_AFFINITY if (in->usecase == USECASE_AUDIO_CAPTURE && !in->is_fastcapture_affinity_set) { tid = gettid(); err = fast_set_affinity(tid); @@ -3370,6 +3375,7 @@ static ssize_t in_read(struct audio_stream_in *stream, void *buffer, } in->is_fastcapture_affinity_set = true; } +#endif if (in->standby) { pthread_mutex_unlock(&in->lock); diff --git a/audio/include/samsung_audio.h b/audio/include/samsung_audio.h index 46fe989..8b8aeac 100644 --- a/audio/include/samsung_audio.h +++ b/audio/include/samsung_audio.h @@ -51,4 +51,10 @@ */ #define SWAP_SPEAKER_ON_SCREEN_ROTATION 0 +/* + * You can that this to 1 if your kernel supports irq affinity for + * fast mode. See /proc/asound/irq_affinity + */ +#define SUPPORTS_IRQ_AFFINITY 0 + #endif // SAMSUNG_AUDIO_H |