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[109.91.213.89]) by mx.google.com with ESMTPSA id m1sm35132640een.7.2014.03.24.12.33.14 for (version=TLSv1.2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Mon, 24 Mar 2014 12:33:14 -0700 (PDT) From: =?UTF-8?q?Frank=20Sch=C3=A4fer?= To: m.chehab@samsung.com Cc: linux-media@vger.kernel.org, =?UTF-8?q?Frank=20Sch=C3=A4fer?= Subject: [PATCH 19/19] em28xx: move fields wq_trigger and streaming_started from struct em28xx to struct em28xx_audio Date: Mon, 24 Mar 2014 20:33:25 +0100 Message-Id: <1395689605-2705-20-git-send-email-fschaefer.oss@googlemail.com> X-Mailer: git-send-email 1.8.4.5 In-Reply-To: <1395689605-2705-1-git-send-email-fschaefer.oss@googlemail.com> References: <1395689605-2705-1-git-send-email-fschaefer.oss@googlemail.com> MIME-Version: 1.0 Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2014.3.24.192415 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODY_SIZE_5000_5999 0, BODY_SIZE_7000_LESS 0, CT_TEXT_PLAIN_UTF8_CAPS 0, DKIM_SIGNATURE 0, ECARD_WORD 0, URI_ENDS_IN_HTML 0, __ANY_URI 0, __CP_MEDIA_BODY 0, __CP_URI_IN_BODY 0, __CT 0, __CTE 0, __CT_TEXT_PLAIN 0, __FRAUD_BODY_WEBMAIL 0, __FRAUD_WEBMAIL 0, __FRAUD_WEBMAIL_FROM 0, __HAS_FROM 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_VERSION 0, __MULTIPLE_RCPTS_CC_X2 0, __PHISH_SPEAR_STRUCTURE_1 0, __SANE_MSGID 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS , __YOUTUBE_RCVD 0' Signed-off-by: Frank Schäfer --- drivers/media/usb/em28xx/em28xx-audio.c | 39 ++++++++++++++++++--------------- drivers/media/usb/em28xx/em28xx.h | 8 +++---- 2 files changed, 25 insertions(+), 22 deletions(-) diff --git a/drivers/media/usb/em28xx/em28xx-audio.c b/drivers/media/usb/em28xx/em28xx-audio.c index c1937ea..e5ed5b9 100644 --- a/drivers/media/usb/em28xx/em28xx-audio.c +++ b/drivers/media/usb/em28xx/em28xx-audio.c @@ -92,7 +92,7 @@ static void em28xx_audio_isocirq(struct urb *urb) if (dev->disconnected) { dprintk("device disconnected while streaming. URB status=%d.\n", urb->status); - atomic_set(&dev->stream_started, 0); + atomic_set(&dev->adev.stream_started, 0); return; } @@ -109,7 +109,7 @@ static void em28xx_audio_isocirq(struct urb *urb) break; } - if (atomic_read(&dev->stream_started) == 0) + if (atomic_read(&dev->adev.stream_started) == 0) return; if (dev->adev.capture_pcm_substream) { @@ -185,7 +185,7 @@ static int em28xx_init_audio_isoc(struct em28xx *dev) em28xx_errdev("submit of audio urb failed (error=%i)\n", errCode); em28xx_deinit_isoc_audio(dev); - atomic_set(&dev->stream_started, 0); + atomic_set(&dev->adev.stream_started, 0); return errCode; } @@ -332,9 +332,9 @@ static int snd_em28xx_pcm_close(struct snd_pcm_substream *substream) dev->mute = 1; mutex_lock(&dev->lock); dev->adev.users--; - if (atomic_read(&dev->stream_started) > 0) { - atomic_set(&dev->stream_started, 0); - schedule_work(&dev->wq_trigger); + if (atomic_read(&dev->adev.stream_started) > 0) { + atomic_set(&dev->adev.stream_started, 0); + schedule_work(&dev->adev.wq_trigger); } em28xx_audio_analog_set(dev); @@ -381,12 +381,13 @@ static int snd_em28xx_hw_capture_params(struct snd_pcm_substream *substream, static int snd_em28xx_hw_capture_free(struct snd_pcm_substream *substream) { struct em28xx *dev = snd_pcm_substream_chip(substream); + struct em28xx_audio *adev = &dev->adev; dprintk("Stop capture, if needed\n"); - if (atomic_read(&dev->stream_started) > 0) { - atomic_set(&dev->stream_started, 0); - schedule_work(&dev->wq_trigger); + if (atomic_read(&adev->stream_started) > 0) { + atomic_set(&adev->stream_started, 0); + schedule_work(&adev->wq_trigger); } return 0; @@ -407,9 +408,11 @@ static int snd_em28xx_prepare(struct snd_pcm_substream *substream) static void audio_trigger(struct work_struct *work) { - struct em28xx *dev = container_of(work, struct em28xx, wq_trigger); + struct em28xx_audio *adev = + container_of(work, struct em28xx_audio, wq_trigger); + struct em28xx *dev = container_of(adev, struct em28xx, adev); - if (atomic_read(&dev->stream_started)) { + if (atomic_read(&adev->stream_started)) { dprintk("starting capture"); em28xx_init_audio_isoc(dev); } else { @@ -431,17 +434,17 @@ static int snd_em28xx_capture_trigger(struct snd_pcm_substream *substream, case SNDRV_PCM_TRIGGER_PAUSE_RELEASE: /* fall through */ case SNDRV_PCM_TRIGGER_RESUME: /* fall through */ case SNDRV_PCM_TRIGGER_START: - atomic_set(&dev->stream_started, 1); + atomic_set(&dev->adev.stream_started, 1); break; case SNDRV_PCM_TRIGGER_PAUSE_PUSH: /* fall through */ case SNDRV_PCM_TRIGGER_SUSPEND: /* fall through */ case SNDRV_PCM_TRIGGER_STOP: - atomic_set(&dev->stream_started, 0); + atomic_set(&dev->adev.stream_started, 0); break; default: retval = -EINVAL; } - schedule_work(&dev->wq_trigger); + schedule_work(&dev->adev.wq_trigger); return retval; } @@ -929,7 +932,7 @@ static int em28xx_audio_init(struct em28xx *dev) strcpy(card->shortname, "Em28xx Audio"); strcpy(card->longname, "Empia Em28xx Audio"); - INIT_WORK(&dev->wq_trigger, audio_trigger); + INIT_WORK(&adev->wq_trigger, audio_trigger); if (dev->audio_mode.ac97 != EM28XX_NO_AC97) { em28xx_cvol_new(card, dev, "Video", AC97_VIDEO); @@ -984,7 +987,7 @@ static int em28xx_audio_fini(struct em28xx *dev) if (dev->adev.sndcard) { snd_card_disconnect(dev->adev.sndcard); - flush_work(&dev->wq_trigger); + flush_work(&dev->adev.wq_trigger); em28xx_audio_free_urb(dev); @@ -1006,7 +1009,7 @@ static int em28xx_audio_suspend(struct em28xx *dev) em28xx_info("Suspending audio extension"); em28xx_deinit_isoc_audio(dev); - atomic_set(&dev->stream_started, 0); + atomic_set(&dev->adev.stream_started, 0); return 0; } @@ -1020,7 +1023,7 @@ static int em28xx_audio_resume(struct em28xx *dev) em28xx_info("Resuming audio extension"); /* Nothing to do other than schedule_work() ?? */ - schedule_work(&dev->wq_trigger); + schedule_work(&dev->adev.wq_trigger); return 0; } diff --git a/drivers/media/usb/em28xx/em28xx.h b/drivers/media/usb/em28xx/em28xx.h index 3a3fe16..c1102ba 100644 --- a/drivers/media/usb/em28xx/em28xx.h +++ b/drivers/media/usb/em28xx/em28xx.h @@ -567,6 +567,10 @@ struct em28xx_audio { int users; spinlock_t slock; + + /* Controls streaming */ + struct work_struct wq_trigger; /* trigger to start/stop audio */ + atomic_t stream_started; /* stream should be running if true */ }; struct em28xx; @@ -618,10 +622,6 @@ struct em28xx { enum em28xx_sensor em28xx_sensor; /* camera specific */ - /* Controls audio streaming */ - struct work_struct wq_trigger; /* Trigger to start/stop audio for alsa module */ - atomic_t stream_started; /* stream should be running if true */ - /* Some older em28xx chips needs a waiting time after writing */ unsigned int wait_after_write;