diff options
Diffstat (limited to 'target/linux/bcm27xx/patches-4.19/950-0386-staging-bcm2835-audio-Drop-debug-messages-in-bcm2835.patch')
| -rw-r--r-- | target/linux/bcm27xx/patches-4.19/950-0386-staging-bcm2835-audio-Drop-debug-messages-in-bcm2835.patch | 150 |
1 files changed, 150 insertions, 0 deletions
diff --git a/target/linux/bcm27xx/patches-4.19/950-0386-staging-bcm2835-audio-Drop-debug-messages-in-bcm2835.patch b/target/linux/bcm27xx/patches-4.19/950-0386-staging-bcm2835-audio-Drop-debug-messages-in-bcm2835.patch new file mode 100644 index 0000000000..96a4d732c1 --- /dev/null +++ b/target/linux/bcm27xx/patches-4.19/950-0386-staging-bcm2835-audio-Drop-debug-messages-in-bcm2835.patch @@ -0,0 +1,150 @@ +From e109804fa00a139a05626c1b8ceebcfe3577fc6d Mon Sep 17 00:00:00 2001 +From: Takashi Iwai <tiwai@suse.de> +Date: Tue, 4 Sep 2018 17:58:44 +0200 +Subject: [PATCH] staging: bcm2835-audio: Drop debug messages in + bcm2835-pcm.c + +commit 055e1c330d04df87d4730a5db837161c11ddaafc upstream. + +These debug messages worsen the code readability a lot while they give +little debuggability (which we already have via tracing, in anyway). + +Let's clean them up. This allows us to reduce the +snd_bcm2835_pcm_lib_ioctl() function to be a direct call of the +snd_pcm_lib_ioctl callback (like most other drivers do), too. + +Signed-off-by: Takashi Iwai <tiwai@suse.de> +Tested-by: Stefan Wahren <stefan.wahren@i2se.com> +Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> +--- + .../vc04_services/bcm2835-audio/bcm2835-pcm.c | 51 +++---------------- + 1 file changed, 7 insertions(+), 44 deletions(-) + +--- a/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c ++++ b/drivers/staging/vc04_services/bcm2835-audio/bcm2835-pcm.c +@@ -44,9 +44,7 @@ static const struct snd_pcm_hardware snd + + static void snd_bcm2835_playback_free(struct snd_pcm_runtime *runtime) + { +- audio_info("Freeing up alsa stream here ..\n"); + kfree(runtime->private_data); +- runtime->private_data = NULL; + } + + void bcm2835_playback_fifo(struct bcm2835_alsa_stream *alsa_stream) +@@ -99,7 +97,6 @@ static int snd_bcm2835_playback_open_gen + int err; + + mutex_lock(&chip->audio_mutex); +- audio_info("Alsa open (%d)\n", substream->number); + idx = substream->number; + + if (spdif && chip->opened) { +@@ -182,8 +179,6 @@ static int snd_bcm2835_playback_close(st + runtime = substream->runtime; + alsa_stream = runtime->private_data; + +- audio_info("Alsa close\n"); +- + alsa_stream->period_size = 0; + alsa_stream->buffer_size = 0; + +@@ -251,10 +246,6 @@ static int snd_bcm2835_pcm_prepare(struc + alsa_stream->pos = 0; + alsa_stream->draining = false; + +- audio_debug("buffer_size=%d, period_size=%d pos=%d frame_bits=%d\n", +- alsa_stream->buffer_size, alsa_stream->period_size, +- alsa_stream->pos, runtime->frame_bits); +- + out: + mutex_unlock(&chip->audio_mutex); + return err; +@@ -266,12 +257,8 @@ static void snd_bcm2835_pcm_transfer(str + struct snd_pcm_runtime *runtime = substream->runtime; + struct bcm2835_alsa_stream *alsa_stream = runtime->private_data; + void *src = (void *) (substream->runtime->dma_area + rec->sw_data); +- int err; +- +- err = bcm2835_audio_write(alsa_stream, bytes, src); +- if (err) +- audio_error(" Failed to transfer to alsa device (%d)\n", err); + ++ bcm2835_audio_write(alsa_stream, bytes, src); + } + + static int snd_bcm2835_pcm_ack(struct snd_pcm_substream *substream) +@@ -289,27 +276,18 @@ static int snd_bcm2835_pcm_trigger(struc + { + struct snd_pcm_runtime *runtime = substream->runtime; + struct bcm2835_alsa_stream *alsa_stream = runtime->private_data; +- int err = 0; + + switch (cmd) { + case SNDRV_PCM_TRIGGER_START: +- err = bcm2835_audio_start(alsa_stream); +- if (err) +- audio_error(" Failed to START alsa device (%d)\n", err); +- break; ++ return bcm2835_audio_start(alsa_stream); + case SNDRV_PCM_TRIGGER_DRAIN: + alsa_stream->draining = true; +- break; ++ return 0; + case SNDRV_PCM_TRIGGER_STOP: +- err = bcm2835_audio_stop(alsa_stream); +- if (err) +- audio_error(" Failed to STOP alsa device (%d)\n", err); +- break; ++ return bcm2835_audio_stop(alsa_stream); + default: +- err = -EINVAL; ++ return -EINVAL; + } +- +- return err; + } + + /* pointer callback */ +@@ -319,31 +297,16 @@ snd_bcm2835_pcm_pointer(struct snd_pcm_s + struct snd_pcm_runtime *runtime = substream->runtime; + struct bcm2835_alsa_stream *alsa_stream = runtime->private_data; + +- audio_debug("pcm_pointer... (%d) hwptr=%d appl=%d pos=%d\n", 0, +- frames_to_bytes(runtime, runtime->status->hw_ptr), +- frames_to_bytes(runtime, runtime->control->appl_ptr), +- alsa_stream->pos); +- + return snd_pcm_indirect_playback_pointer(substream, + &alsa_stream->pcm_indirect, + alsa_stream->pos); + } + +-static int snd_bcm2835_pcm_lib_ioctl(struct snd_pcm_substream *substream, +- unsigned int cmd, void *arg) +-{ +- int ret = snd_pcm_lib_ioctl(substream, cmd, arg); +- +- audio_info(" .. substream=%p, cmd=%d, arg=%p (%x) ret=%d\n", substream, +- cmd, arg, arg ? *(unsigned int *)arg : 0, ret); +- return ret; +-} +- + /* operators */ + static const struct snd_pcm_ops snd_bcm2835_playback_ops = { + .open = snd_bcm2835_playback_open, + .close = snd_bcm2835_playback_close, +- .ioctl = snd_bcm2835_pcm_lib_ioctl, ++ .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_bcm2835_pcm_hw_params, + .hw_free = snd_bcm2835_pcm_hw_free, + .prepare = snd_bcm2835_pcm_prepare, +@@ -355,7 +318,7 @@ static const struct snd_pcm_ops snd_bcm2 + static const struct snd_pcm_ops snd_bcm2835_playback_spdif_ops = { + .open = snd_bcm2835_playback_spdif_open, + .close = snd_bcm2835_playback_close, +- .ioctl = snd_bcm2835_pcm_lib_ioctl, ++ .ioctl = snd_pcm_lib_ioctl, + .hw_params = snd_bcm2835_pcm_hw_params, + .hw_free = snd_bcm2835_pcm_hw_free, + .prepare = snd_bcm2835_pcm_prepare, |