diff options
Diffstat (limited to 'drivers/media/pci/ivtv')
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-alsa-main.c | 14 | ||||
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-driver.c | 4 | ||||
| -rw-r--r-- | drivers/media/pci/ivtv/ivtv-yuv.c | 12 |
3 files changed, 20 insertions, 10 deletions
diff --git a/drivers/media/pci/ivtv/ivtv-alsa-main.c b/drivers/media/pci/ivtv/ivtv-alsa-main.c index 41fa21534edf..8a86b61a896d 100644 --- a/drivers/media/pci/ivtv/ivtv-alsa-main.c +++ b/drivers/media/pci/ivtv/ivtv-alsa-main.c @@ -41,6 +41,7 @@ #include "ivtv-alsa-pcm.h" int ivtv_alsa_debug; +static int index[SNDRV_CARDS] = SNDRV_DEFAULT_IDX; #define IVTV_DEBUG_ALSA_INFO(fmt, arg...) \ do { \ @@ -54,6 +55,10 @@ MODULE_PARM_DESC(debug, "\t\t\t 1/0x0001: warning\n" "\t\t\t 2/0x0002: info\n"); +module_param_array(index, int, NULL, 0444); +MODULE_PARM_DESC(index, + "Index value for IVTV ALSA capture interface(s).\n"); + MODULE_AUTHOR("Andy Walls"); MODULE_DESCRIPTION("CX23415/CX23416 ALSA Interface"); MODULE_SUPPORTED_DEVICE("CX23415/CX23416 MPEG2 encoder"); @@ -137,7 +142,7 @@ static int snd_ivtv_init(struct v4l2_device *v4l2_dev) struct ivtv *itv = to_ivtv(v4l2_dev); struct snd_card *sc = NULL; struct snd_ivtv_card *itvsc; - int ret; + int ret, idx; /* Numbrs steps from "Writing an ALSA Driver" by Takashi Iwai */ @@ -145,8 +150,10 @@ static int snd_ivtv_init(struct v4l2_device *v4l2_dev) /* This is a no-op for us. We'll use the itv->instance */ /* (2) Create a card instance */ + /* use first available id if not specified otherwise*/ + idx = index[itv->instance] == -1 ? SNDRV_DEFAULT_IDX1 : index[itv->instance]; ret = snd_card_new(&itv->pdev->dev, - SNDRV_DEFAULT_IDX1, /* use first available id */ + idx, SNDRV_DEFAULT_STR1, /* xid from end of shortname*/ THIS_MODULE, 0, &sc); if (ret) { @@ -196,6 +203,9 @@ static int snd_ivtv_init(struct v4l2_device *v4l2_dev) goto err_exit_free; } + IVTV_ALSA_INFO("%s: Instance %d registered as ALSA card %d\n", + __func__, itv->instance, sc->number); + return 0; err_exit_free: diff --git a/drivers/media/pci/ivtv/ivtv-driver.c b/drivers/media/pci/ivtv/ivtv-driver.c index 8616fa8193bc..c2e60b4f292d 100644 --- a/drivers/media/pci/ivtv/ivtv-driver.c +++ b/drivers/media/pci/ivtv/ivtv-driver.c @@ -805,11 +805,11 @@ static void ivtv_init_struct2(struct ivtv *itv) { int i; - for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS - 1; i++) + for (i = 0; i < IVTV_CARD_MAX_VIDEO_INPUTS; i++) if (itv->card->video_inputs[i].video_type == 0) break; itv->nof_inputs = i; - for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS - 1; i++) + for (i = 0; i < IVTV_CARD_MAX_AUDIO_INPUTS; i++) if (itv->card->audio_inputs[i].audio_type == 0) break; itv->nof_audio_inputs = i; diff --git a/drivers/media/pci/ivtv/ivtv-yuv.c b/drivers/media/pci/ivtv/ivtv-yuv.c index 2ad65eb29832..2b8e7b2f2b86 100644 --- a/drivers/media/pci/ivtv/ivtv-yuv.c +++ b/drivers/media/pci/ivtv/ivtv-yuv.c @@ -75,15 +75,15 @@ static int ivtv_yuv_prep_user_dma(struct ivtv *itv, struct ivtv_user_dma *dma, ivtv_udma_get_page_info (&uv_dma, (unsigned long)args->uv_source, 360 * uv_decode_height); /* Get user pages for DMA Xfer */ - down_read(¤t->mm->mmap_sem); - y_pages = get_user_pages(current, current->mm, y_dma.uaddr, y_dma.page_count, 0, 1, &dma->map[0], NULL); + y_pages = get_user_pages_unlocked(current, current->mm, + y_dma.uaddr, y_dma.page_count, 0, 1, + &dma->map[0]); uv_pages = 0; /* silence gcc. value is set and consumed only if: */ if (y_pages == y_dma.page_count) { - uv_pages = get_user_pages(current, current->mm, - uv_dma.uaddr, uv_dma.page_count, 0, 1, - &dma->map[y_pages], NULL); + uv_pages = get_user_pages_unlocked(current, current->mm, + uv_dma.uaddr, uv_dma.page_count, 0, 1, + &dma->map[y_pages]); } - up_read(¤t->mm->mmap_sem); if (y_pages != y_dma.page_count || uv_pages != uv_dma.page_count) { int rc = -EFAULT; |