diff options
Diffstat (limited to 'drivers/media')
-rw-r--r-- | drivers/media/IR/ir-keytable.c | 2 | ||||
-rw-r--r-- | drivers/media/common/tuners/tda8290.c | 12 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/dib8000.h | 2 | ||||
-rw-r--r-- | drivers/media/dvb/frontends/lgdt3305.h | 6 | ||||
-rw-r--r-- | drivers/media/video/gspca/gspca.c | 2 | ||||
-rw-r--r-- | drivers/media/video/gspca/m5602/m5602_s5k4aa.c | 6 | ||||
-rw-r--r-- | drivers/media/video/gspca/ov534.c | 2 | ||||
-rw-r--r-- | drivers/media/video/gspca/sn9c20x.c | 2 | ||||
-rw-r--r-- | drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h | 1 | ||||
-rw-r--r-- | drivers/media/video/gspca/sunplus.c | 26 | ||||
-rw-r--r-- | drivers/media/video/gspca/vc032x.c | 4 | ||||
-rw-r--r-- | drivers/media/video/mx1_camera.c | 2 | ||||
-rw-r--r-- | drivers/media/video/rj54n1cb0c.c | 2 | ||||
-rw-r--r-- | drivers/media/video/saa7134/saa7134-core.c | 13 | ||||
-rw-r--r-- | drivers/media/video/saa7134/saa7134-ts.c | 13 | ||||
-rw-r--r-- | drivers/media/video/sh_mobile_ceu_camera.c | 2 | ||||
-rw-r--r-- | drivers/media/video/uvc/uvc_ctrl.c | 2 | ||||
-rw-r--r-- | drivers/media/video/uvc/uvc_queue.c | 13 | ||||
-rw-r--r-- | drivers/media/video/uvc/uvc_video.c | 45 | ||||
-rw-r--r-- | drivers/media/video/uvc/uvcvideo.h | 5 |
20 files changed, 98 insertions, 64 deletions
diff --git a/drivers/media/IR/ir-keytable.c b/drivers/media/IR/ir-keytable.c index bff7a535603..b521ed9d6e2 100644 --- a/drivers/media/IR/ir-keytable.c +++ b/drivers/media/IR/ir-keytable.c @@ -13,7 +13,7 @@ */ -#include <linux/usb/input.h> +#include <linux/input.h> #include <media/ir-common.h> #define IR_TAB_MIN_SIZE 32 diff --git a/drivers/media/common/tuners/tda8290.c b/drivers/media/common/tuners/tda8290.c index c190b0dedee..2833137fa81 100644 --- a/drivers/media/common/tuners/tda8290.c +++ b/drivers/media/common/tuners/tda8290.c @@ -144,7 +144,8 @@ static void set_audio(struct dvb_frontend *fe, } if (params->mode == V4L2_TUNER_RADIO) { - priv->tda8290_easy_mode = 0x01; /* Start with MN values */ + /* Set TDA8295 to FM radio; Start TDA8290 with MN values */ + priv->tda8290_easy_mode = (priv->ver & TDA8295) ? 0x80 : 0x01; tuner_dbg("setting to radio FM\n"); } else { tuner_dbg("setting tda829x to system %s\n", mode); @@ -672,16 +673,19 @@ static int tda8290_probe(struct tuner_i2c_props *i2c_props) static int tda8295_probe(struct tuner_i2c_props *i2c_props) { #define TDA8295_ID 0x8a +#define TDA8295C2_ID 0x8b unsigned char tda8295_id[] = { 0x2f, 0x00 }; /* detect tda8295 */ tuner_i2c_xfer_send(i2c_props, &tda8295_id[0], 1); tuner_i2c_xfer_recv(i2c_props, &tda8295_id[1], 1); - if (tda8295_id[1] == TDA8295_ID) { + if ((tda8295_id[1] & 0xfe) == TDA8295_ID) { if (debug) - printk(KERN_DEBUG "%s: tda8295 detected @ %d-%04x\n", - __func__, i2c_adapter_id(i2c_props->adap), + printk(KERN_DEBUG "%s: %s detected @ %d-%04x\n", + __func__, (tda8295_id[1] == TDA8295_ID) ? + "tda8295c1" : "tda8295c2", + i2c_adapter_id(i2c_props->adap), i2c_props->addr); return 0; } diff --git a/drivers/media/dvb/frontends/dib8000.h b/drivers/media/dvb/frontends/dib8000.h index d99619ae983..b1ee2079963 100644 --- a/drivers/media/dvb/frontends/dib8000.h +++ b/drivers/media/dvb/frontends/dib8000.h @@ -100,7 +100,7 @@ static inline int dib8000_set_tune_state(struct dvb_frontend *fe, enum frontend_ static inline enum frontend_tune_state dib8000_get_tune_state(struct dvb_frontend *fe) { printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); - return CT_SHUTDOWN, + return CT_SHUTDOWN; } static inline void dib8000_pwm_agc_reset(struct dvb_frontend *fe) { diff --git a/drivers/media/dvb/frontends/lgdt3305.h b/drivers/media/dvb/frontends/lgdt3305.h index 4fa6e52d1fe..9cb11c9cae5 100644 --- a/drivers/media/dvb/frontends/lgdt3305.h +++ b/drivers/media/dvb/frontends/lgdt3305.h @@ -54,13 +54,13 @@ struct lgdt3305_config { u16 usref_qam256; /* default: 0x2a80 */ /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ - int deny_i2c_rptr:1; + unsigned int deny_i2c_rptr:1; /* spectral inversion - 0:disabled 1:enabled */ - int spectral_inversion:1; + unsigned int spectral_inversion:1; /* use RF AGC loop - 0:disabled 1:enabled */ - int rf_agc_loop:1; + unsigned int rf_agc_loop:1; enum lgdt3305_mpeg_mode mpeg_mode; enum lgdt3305_tp_clock_edge tpclk_edge; diff --git a/drivers/media/video/gspca/gspca.c b/drivers/media/video/gspca/gspca.c index e930a67d526..bd6214d4ab3 100644 --- a/drivers/media/video/gspca/gspca.c +++ b/drivers/media/video/gspca/gspca.c @@ -1815,6 +1815,8 @@ static int vidioc_qbuf(struct file *file, void *priv, /* put the buffer in the 'queued' queue */ i = gspca_dev->fr_q; gspca_dev->fr_queue[i] = index; + if (gspca_dev->fr_i == i) + gspca_dev->cur_frame = frame; gspca_dev->fr_q = (i + 1) % gspca_dev->nframes; PDEBUG(D_FRAM, "qbuf q:%d i:%d o:%d", gspca_dev->fr_q, diff --git a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c index aa2f3c7e2cb..1b536f7d30c 100644 --- a/drivers/media/video/gspca/m5602/m5602_s5k4aa.c +++ b/drivers/media/video/gspca/m5602/m5602_s5k4aa.c @@ -48,6 +48,12 @@ static DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xa 2528") } }, { + .ident = "Fujitsu-Siemens Amilo Xi 2428", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), + DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Xi 2428") + } + }, { .ident = "Fujitsu-Siemens Amilo Xi 2528", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), diff --git a/drivers/media/video/gspca/ov534.c b/drivers/media/video/gspca/ov534.c index 4dbb882c83d..0a6b8f07a69 100644 --- a/drivers/media/video/gspca/ov534.c +++ b/drivers/media/video/gspca/ov534.c @@ -1533,7 +1533,7 @@ static void setexposure_96(struct gspca_dev *gspca_dev) static void setsharpness_96(struct gspca_dev *gspca_dev) { struct sd *sd = (struct sd *) gspca_dev; - u8 val; + s8 val; val = sd->sharpness; if (val < 0) { /* auto */ diff --git a/drivers/media/video/gspca/sn9c20x.c b/drivers/media/video/gspca/sn9c20x.c index 4cff8035614..0ca1c06652b 100644 --- a/drivers/media/video/gspca/sn9c20x.c +++ b/drivers/media/video/gspca/sn9c20x.c @@ -2319,7 +2319,7 @@ static void do_autogain(struct gspca_dev *gspca_dev, u16 avg_lum) } } if (avg_lum > MAX_AVG_LUM) { - if (sd->gain - 1 >= 0) { + if (sd->gain >= 1) { sd->gain--; set_gain(gspca_dev); } diff --git a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h index 487d4055534..96c61926d37 100644 --- a/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h +++ b/drivers/media/video/gspca/stv06xx/stv06xx_vv6410.h @@ -228,6 +228,7 @@ static const struct stv_init stv_bridge_init[] = { /* This reg is written twice. Some kind of reset? */ {NULL, 0x1620, 0x80}, {NULL, 0x1620, 0x00}, + {NULL, 0x1443, 0x00}, {NULL, 0x1423, 0x04}, {x1500, 0x1500, ARRAY_SIZE(x1500)}, {x1536, 0x1536, ARRAY_SIZE(x1536)}, diff --git a/drivers/media/video/gspca/sunplus.c b/drivers/media/video/gspca/sunplus.c index 716df6b15fc..306b7d75b4a 100644 --- a/drivers/media/video/gspca/sunplus.c +++ b/drivers/media/video/gspca/sunplus.c @@ -709,7 +709,7 @@ static void spca504B_SetSizeType(struct gspca_dev *gspca_dev) spca504B_PollingDataReady(gspca_dev); /* Init the cam width height with some values get on init ? */ - reg_w_riv(gspca_dev, 0x31, 0, 0x04); + reg_w_riv(gspca_dev, 0x31, 0x0004, 0x00); spca504B_WaitCmdStatus(gspca_dev); spca504B_PollingDataReady(gspca_dev); break; @@ -807,14 +807,14 @@ static void init_ctl_reg(struct gspca_dev *gspca_dev) default: /* case BRIDGE_SPCA533: */ /* case BRIDGE_SPCA504B: */ - reg_w_riv(gspca_dev, 0, 0x00, 0x21ad); /* hue */ - reg_w_riv(gspca_dev, 0, 0x01, 0x21ac); /* sat/hue */ - reg_w_riv(gspca_dev, 0, 0x00, 0x21a3); /* gamma */ + reg_w_riv(gspca_dev, 0, 0x21ad, 0x00); /* hue */ + reg_w_riv(gspca_dev, 0, 0x21ac, 0x01); /* sat/hue */ + reg_w_riv(gspca_dev, 0, 0x21a3, 0x00); /* gamma */ break; case BRIDGE_SPCA536: - reg_w_riv(gspca_dev, 0, 0x40, 0x20f5); - reg_w_riv(gspca_dev, 0, 0x01, 0x20f4); - reg_w_riv(gspca_dev, 0, 0x00, 0x2089); + reg_w_riv(gspca_dev, 0, 0x20f5, 0x40); + reg_w_riv(gspca_dev, 0, 0x20f4, 0x01); + reg_w_riv(gspca_dev, 0, 0x2089, 0x00); break; } if (pollreg) @@ -887,11 +887,11 @@ static int sd_init(struct gspca_dev *gspca_dev) switch (sd->bridge) { case BRIDGE_SPCA504B: reg_w_riv(gspca_dev, 0x1d, 0x00, 0); - reg_w_riv(gspca_dev, 0, 0x01, 0x2306); - reg_w_riv(gspca_dev, 0, 0x00, 0x0d04); - reg_w_riv(gspca_dev, 0, 0x00, 0x2000); - reg_w_riv(gspca_dev, 0, 0x13, 0x2301); - reg_w_riv(gspca_dev, 0, 0x00, 0x2306); + reg_w_riv(gspca_dev, 0x00, 0x2306, 0x01); + reg_w_riv(gspca_dev, 0x00, 0x0d04, 0x00); + reg_w_riv(gspca_dev, 0x00, 0x2000, 0x00); + reg_w_riv(gspca_dev, 0x00, 0x2301, 0x13); + reg_w_riv(gspca_dev, 0x00, 0x2306, 0x00); /* fall thru */ case BRIDGE_SPCA533: spca504B_PollingDataReady(gspca_dev); @@ -1000,7 +1000,7 @@ static int sd_start(struct gspca_dev *gspca_dev) spca504B_WaitCmdStatus(gspca_dev); break; default: - reg_w_riv(gspca_dev, 0x31, 0, 0x04); + reg_w_riv(gspca_dev, 0x31, 0x0004, 0x00); spca504B_WaitCmdStatus(gspca_dev); spca504B_PollingDataReady(gspca_dev); break; diff --git a/drivers/media/video/gspca/vc032x.c b/drivers/media/video/gspca/vc032x.c index c090efcd804..71921c87842 100644 --- a/drivers/media/video/gspca/vc032x.c +++ b/drivers/media/video/gspca/vc032x.c @@ -3009,6 +3009,10 @@ static void sd_pkt_scan(struct gspca_dev *gspca_dev, int l; frame = gspca_get_i_frame(gspca_dev); + if (frame == NULL) { + gspca_dev->last_packet_type = DISCARD_PACKET; + return; + } l = frame->data_end - frame->data; if (len > frame->v4l2_buf.length - l) len = frame->v4l2_buf.length - l; diff --git a/drivers/media/video/mx1_camera.c b/drivers/media/video/mx1_camera.c index 2ba14fb5b03..c167cc3de49 100644 --- a/drivers/media/video/mx1_camera.c +++ b/drivers/media/video/mx1_camera.c @@ -718,7 +718,7 @@ static int __init mx1_camera_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (!res || !irq) { + if (!res || (int)irq <= 0) { err = -ENODEV; goto exit; } diff --git a/drivers/media/video/rj54n1cb0c.c b/drivers/media/video/rj54n1cb0c.c index 7e42989ce0e..805226e0d9c 100644 --- a/drivers/media/video/rj54n1cb0c.c +++ b/drivers/media/video/rj54n1cb0c.c @@ -563,7 +563,7 @@ static int rj54n1_s_crop(struct v4l2_subdev *sd, struct v4l2_crop *a) struct i2c_client *client = sd->priv; struct rj54n1 *rj54n1 = to_rj54n1(client); struct v4l2_rect *rect = &a->c; - unsigned int dummy, output_w, output_h, + unsigned int dummy = 0, output_w, output_h, input_w = rect->width, input_h = rect->height; int ret; diff --git a/drivers/media/video/saa7134/saa7134-core.c b/drivers/media/video/saa7134/saa7134-core.c index 9f85e917f9f..a7ad7810fdd 100644 --- a/drivers/media/video/saa7134/saa7134-core.c +++ b/drivers/media/video/saa7134/saa7134-core.c @@ -420,19 +420,6 @@ int saa7134_set_dmabits(struct saa7134_dev *dev) ctrl |= SAA7134_MAIN_CTRL_TE5; irq |= SAA7134_IRQ1_INTE_RA2_1 | SAA7134_IRQ1_INTE_RA2_0; - - /* dma: setup channel 5 (= TS) */ - - saa_writeb(SAA7134_TS_DMA0, (dev->ts.nr_packets - 1) & 0xff); - saa_writeb(SAA7134_TS_DMA1, - ((dev->ts.nr_packets - 1) >> 8) & 0xff); - /* TSNOPIT=0, TSCOLAP=0 */ - saa_writeb(SAA7134_TS_DMA2, - (((dev->ts.nr_packets - 1) >> 16) & 0x3f) | 0x00); - saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE); - saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_16 | - SAA7134_RS_CONTROL_ME | - (dev->ts.pt_ts.dma >> 12)); } /* set task conditions + field handling */ diff --git a/drivers/media/video/saa7134/saa7134-ts.c b/drivers/media/video/saa7134/saa7134-ts.c index 03488ba4c99..b9817d74943 100644 --- a/drivers/media/video/saa7134/saa7134-ts.c +++ b/drivers/media/video/saa7134/saa7134-ts.c @@ -250,6 +250,19 @@ int saa7134_ts_start(struct saa7134_dev *dev) BUG_ON(dev->ts_started); + /* dma: setup channel 5 (= TS) */ + saa_writeb(SAA7134_TS_DMA0, (dev->ts.nr_packets - 1) & 0xff); + saa_writeb(SAA7134_TS_DMA1, + ((dev->ts.nr_packets - 1) >> 8) & 0xff); + /* TSNOPIT=0, TSCOLAP=0 */ + saa_writeb(SAA7134_TS_DMA2, + (((dev->ts.nr_packets - 1) >> 16) & 0x3f) | 0x00); + saa_writel(SAA7134_RS_PITCH(5), TS_PACKET_SIZE); + saa_writel(SAA7134_RS_CONTROL(5), SAA7134_RS_CONTROL_BURST_16 | + SAA7134_RS_CONTROL_ME | + (dev->ts.pt_ts.dma >> 12)); + + /* reset hardware TS buffers */ saa_writeb(SAA7134_TS_SERIAL1, 0x00); saa_writeb(SAA7134_TS_SERIAL1, 0x03); saa_writeb(SAA7134_TS_SERIAL1, 0x00); diff --git a/drivers/media/video/sh_mobile_ceu_camera.c b/drivers/media/video/sh_mobile_ceu_camera.c index d69363f0d8c..f09c7140d6b 100644 --- a/drivers/media/video/sh_mobile_ceu_camera.c +++ b/drivers/media/video/sh_mobile_ceu_camera.c @@ -1827,7 +1827,7 @@ static int __devinit sh_mobile_ceu_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); irq = platform_get_irq(pdev, 0); - if (!res || !irq) { + if (!res || (int)irq <= 0) { dev_err(&pdev->dev, "Not enough CEU platform resources.\n"); err = -ENODEV; goto exit; diff --git a/drivers/media/video/uvc/uvc_ctrl.c b/drivers/media/video/uvc/uvc_ctrl.c index 0469d7a876a..ec8ef8c5560 100644 --- a/drivers/media/video/uvc/uvc_ctrl.c +++ b/drivers/media/video/uvc/uvc_ctrl.c @@ -1393,7 +1393,7 @@ uvc_ctrl_prune_entity(struct uvc_device *dev, struct uvc_entity *entity) size = entity->processing.bControlSize; for (i = 0; i < ARRAY_SIZE(blacklist); ++i) { - if (!usb_match_id(dev->intf, &blacklist[i].id)) + if (!usb_match_one_id(dev->intf, &blacklist[i].id)) continue; if (blacklist[i].index >= 8 * size || diff --git a/drivers/media/video/uvc/uvc_queue.c b/drivers/media/video/uvc/uvc_queue.c index f854698c406..ea11839cba4 100644 --- a/drivers/media/video/uvc/uvc_queue.c +++ b/drivers/media/video/uvc/uvc_queue.c @@ -59,9 +59,9 @@ * returns immediately. * * When the buffer is full, the completion handler removes it from the irq - * queue, marks it as ready (UVC_BUF_STATE_DONE) and wakes its wait queue. + * queue, marks it as done (UVC_BUF_STATE_DONE) and wakes its wait queue. * At that point, any process waiting on the buffer will be woken up. If a - * process tries to dequeue a buffer after it has been marked ready, the + * process tries to dequeue a buffer after it has been marked done, the * dequeing will succeed immediately. * * 2. Buffers are queued, user is waiting on a buffer and the device gets @@ -201,6 +201,7 @@ static void __uvc_query_buffer(struct uvc_buffer *buf, break; case UVC_BUF_STATE_QUEUED: case UVC_BUF_STATE_ACTIVE: + case UVC_BUF_STATE_READY: v4l2_buf->flags |= V4L2_BUF_FLAG_QUEUED; break; case UVC_BUF_STATE_IDLE: @@ -295,13 +296,15 @@ static int uvc_queue_waiton(struct uvc_buffer *buf, int nonblocking) { if (nonblocking) { return (buf->state != UVC_BUF_STATE_QUEUED && - buf->state != UVC_BUF_STATE_ACTIVE) + buf->state != UVC_BUF_STATE_ACTIVE && + buf->state != UVC_BUF_STATE_READY) ? 0 : -EAGAIN; } return wait_event_interruptible(buf->wait, buf->state != UVC_BUF_STATE_QUEUED && - buf->state != UVC_BUF_STATE_ACTIVE); + buf->state != UVC_BUF_STATE_ACTIVE && + buf->state != UVC_BUF_STATE_READY); } /* @@ -348,6 +351,7 @@ int uvc_dequeue_buffer(struct uvc_video_queue *queue, case UVC_BUF_STATE_IDLE: case UVC_BUF_STATE_QUEUED: case UVC_BUF_STATE_ACTIVE: + case UVC_BUF_STATE_READY: default: uvc_trace(UVC_TRACE_CAPTURE, "[E] Invalid buffer state %u " "(driver bug?).\n", buf->state); @@ -489,6 +493,7 @@ struct uvc_buffer *uvc_queue_next_buffer(struct uvc_video_queue *queue, spin_lock_irqsave(&queue->irqlock, flags); list_del(&buf->queue); + buf->state = UVC_BUF_STATE_DONE; if (!list_empty(&queue->irqqueue)) nextbuf = list_first_entry(&queue->irqqueue, struct uvc_buffer, queue); diff --git a/drivers/media/video/uvc/uvc_video.c b/drivers/media/video/uvc/uvc_video.c index 9a9802830d4..7dcf534a0cf 100644 --- a/drivers/media/video/uvc/uvc_video.c +++ b/drivers/media/video/uvc/uvc_video.c @@ -441,7 +441,7 @@ static int uvc_video_decode_start(struct uvc_streaming *stream, if (fid != stream->last_fid && buf->buf.bytesused != 0) { uvc_trace(UVC_TRACE_FRAME, "Frame complete (FID bit " "toggled).\n"); - buf->state = UVC_BUF_STATE_DONE; + buf->state = UVC_BUF_STATE_READY; return -EAGAIN; } @@ -470,7 +470,7 @@ static void uvc_video_decode_data(struct uvc_streaming *stream, /* Complete the current frame if the buffer size was exceeded. */ if (len > maxlen) { uvc_trace(UVC_TRACE_FRAME, "Frame complete (overflow).\n"); - buf->state = UVC_BUF_STATE_DONE; + buf->state = UVC_BUF_STATE_READY; } } @@ -482,7 +482,7 @@ static void uvc_video_decode_end(struct uvc_streaming *stream, uvc_trace(UVC_TRACE_FRAME, "Frame complete (EOF found).\n"); if (data[0] == len) uvc_trace(UVC_TRACE_FRAME, "EOF in empty payload.\n"); - buf->state = UVC_BUF_STATE_DONE; + buf->state = UVC_BUF_STATE_READY; if (stream->dev->quirks & UVC_QUIRK_STREAM_NO_FID) stream->last_fid ^= UVC_STREAM_FID; } @@ -568,8 +568,7 @@ static void uvc_video_decode_isoc(struct urb *urb, struct uvc_streaming *stream, uvc_video_decode_end(stream, buf, mem, urb->iso_frame_desc[i].actual_length); - if (buf->state == UVC_BUF_STATE_DONE || - buf->state == UVC_BUF_STATE_ERROR) + if (buf->state == UVC_BUF_STATE_READY) buf = uvc_queue_next_buffer(&stream->queue, buf); } } @@ -627,8 +626,7 @@ static void uvc_video_decode_bulk(struct urb *urb, struct uvc_streaming *stream, if (!stream->bulk.skip_payload && buf != NULL) { uvc_video_decode_end(stream, buf, stream->bulk.header, stream->bulk.payload_size); - if (buf->state == UVC_BUF_STATE_DONE || - buf->state == UVC_BUF_STATE_ERROR) + if (buf->state == UVC_BUF_STATE_READY) buf = uvc_queue_next_buffer(&stream->queue, buf); } @@ -669,7 +667,7 @@ static void uvc_video_encode_bulk(struct urb *urb, struct uvc_streaming *stream, stream->bulk.payload_size == stream->bulk.max_payload_size) { if (buf->buf.bytesused == stream->queue.buf_used) { stream->queue.buf_used = 0; - buf->state = UVC_BUF_STATE_DONE; + buf->state = UVC_BUF_STATE_READY; uvc_queue_next_buffer(&stream->queue, buf); stream->last_fid ^= UVC_STREAM_FID; } @@ -924,10 +922,8 @@ static int uvc_init_video_bulk(struct uvc_streaming *stream, static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) { struct usb_interface *intf = stream->intf; - struct usb_host_interface *alts; - struct usb_host_endpoint *ep = NULL; - int intfnum = stream->intfnum; - unsigned int bandwidth, psize, i; + struct usb_host_endpoint *ep; + unsigned int i; int ret; stream->last_fid = -1; @@ -936,6 +932,12 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) stream->bulk.payload_size = 0; if (intf->num_altsetting > 1) { + struct usb_host_endpoint *best_ep = NULL; + unsigned int best_psize = 3 * 1024; + unsigned int bandwidth; + unsigned int uninitialized_var(altsetting); + int intfnum = stream->intfnum; + /* Isochronous endpoint, select the alternate setting. */ bandwidth = stream->ctrl.dwMaxPayloadTransferSize; @@ -949,6 +951,9 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) } for (i = 0; i < intf->num_altsetting; ++i) { + struct usb_host_interface *alts; + unsigned int psize; + alts = &intf->altsetting[i]; ep = uvc_find_endpoint(alts, stream->header.bEndpointAddress); @@ -958,21 +963,27 @@ static int uvc_init_video(struct uvc_streaming *stream, gfp_t gfp_flags) /* Check if the bandwidth is high enough. */ psize = le16_to_cpu(ep->desc.wMaxPacketSize); psize = (psize & 0x07ff) * (1 + ((psize >> 11) & 3)); - if (psize >= bandwidth) - break; + if (psize >= bandwidth && psize <= best_psize) { + altsetting = i; + best_psize = psize; + best_ep = ep; + } } - if (i >= intf->num_altsetting) { + if (best_ep == NULL) { uvc_trace(UVC_TRACE_VIDEO, "No fast enough alt setting " "for requested bandwidth.\n"); return -EIO; } - ret = usb_set_interface(stream->dev->udev, intfnum, i); + uvc_trace(UVC_TRACE_VIDEO, "Selecting alternate setting %u " + "(%u B/frame bandwidth).\n", altsetting, best_psize); + + ret = usb_set_interface(stream->dev->udev, intfnum, altsetting); if (ret < 0) return ret; - ret = uvc_init_video_isoc(stream, ep, gfp_flags); + ret = uvc_init_video_isoc(stream, best_ep, gfp_flags); } else { /* Bulk endpoint, proceed to URB initialization. */ ep = uvc_find_endpoint(&intf->altsetting[0], diff --git a/drivers/media/video/uvc/uvcvideo.h b/drivers/media/video/uvc/uvcvideo.h index 7ec9a04ced5..2337585001e 100644 --- a/drivers/media/video/uvc/uvcvideo.h +++ b/drivers/media/video/uvc/uvcvideo.h @@ -365,8 +365,9 @@ enum uvc_buffer_state { UVC_BUF_STATE_IDLE = 0, UVC_BUF_STATE_QUEUED = 1, UVC_BUF_STATE_ACTIVE = 2, - UVC_BUF_STATE_DONE = 3, - UVC_BUF_STATE_ERROR = 4, + UVC_BUF_STATE_READY = 3, + UVC_BUF_STATE_DONE = 4, + UVC_BUF_STATE_ERROR = 5, }; struct uvc_buffer { |