From f03813e4d1900b619d4cb133506b130e535614f0 Mon Sep 17 00:00:00 2001 From: Dmitry Belimov Date: Tue, 26 Aug 2008 13:44:40 -0300 Subject: [PATCH] V4L/DVB (8795): saa7134-empress: insert leading null bytes for Beholder M6 empress cards Additional code to improve the init sequence and add board type tests were done by Hans Verkuil. Signed-off-by: Beholder Intl. Ltd. Dmitry Belimov Signed-off-by: Hans Verkuil Signed-off-by: Mauro Carvalho Chehab --- drivers/media/video/saa7134/saa6752hs.c | 17 +++++++++++------ drivers/media/video/saa7134/saa7134-empress.c | 15 ++++++++++++--- 2 files changed, 23 insertions(+), 9 deletions(-) diff --git a/drivers/media/video/saa7134/saa6752hs.c b/drivers/media/video/saa7134/saa6752hs.c index 28499e591925..f40cb0b479b1 100644 --- a/drivers/media/video/saa7134/saa6752hs.c +++ b/drivers/media/video/saa7134/saa6752hs.c @@ -653,7 +653,7 @@ static int saa6752hs_qmenu(struct saa6752hs_state *h, return v4l2_ctrl_query_menu(qmenu, &qctrl, NULL); } -static int saa6752hs_init(struct i2c_client* client) +static int saa6752hs_init(struct i2c_client *client, u32 leading_null_bytes) { unsigned char buf[9], buf2[4]; struct saa6752hs_state *h; @@ -705,6 +705,12 @@ static int saa6752hs_init(struct i2c_client* client) buf[1] = 0x05; i2c_master_send(client,buf,2); + /* Set leading null byte for TS */ + buf[0] = 0xF6; + buf[1] = (leading_null_bytes >> 8) & 0xff; + buf[2] = leading_null_bytes & 0xff; + i2c_master_send(client, buf, 3); + /* compute PAT */ memcpy(localPAT, PAT, sizeof(PAT)); localPAT[17] = 0xe0 | ((h->params.ts_pid_pmt >> 8) & 0x0f); @@ -812,14 +818,13 @@ saa6752hs_command(struct i2c_client *client, unsigned int cmd, void *arg) int i; switch (cmd) { + case VIDIOC_INT_INIT: + /* apply settings and start encoder */ + saa6752hs_init(client, *(u32 *)arg); + break; case VIDIOC_S_EXT_CTRLS: if (ctrls->ctrl_class != V4L2_CTRL_CLASS_MPEG) return -EINVAL; - if (ctrls->count == 0) { - /* apply settings and start encoder */ - saa6752hs_init(client); - break; - } /* fall through */ case VIDIOC_TRY_EXT_CTRLS: case VIDIOC_G_EXT_CTRLS: diff --git a/drivers/media/video/saa7134/saa7134-empress.c b/drivers/media/video/saa7134/saa7134-empress.c index f5a186a13db2..946edf64dc28 100644 --- a/drivers/media/video/saa7134/saa7134-empress.c +++ b/drivers/media/video/saa7134/saa7134-empress.c @@ -64,10 +64,19 @@ static void ts_reset_encoder(struct saa7134_dev* dev) static int ts_init_encoder(struct saa7134_dev* dev) { - struct v4l2_ext_controls ctrls = { V4L2_CTRL_CLASS_MPEG, 0 }; - + u32 leading_null_bytes = 0; + + /* If more cards start to need this, then this + should probably be added to the card definitions. */ + switch (dev->board) { + case SAA7134_BOARD_BEHOLD_M6: + case SAA7134_BOARD_BEHOLD_M63: + case SAA7134_BOARD_BEHOLD_M6_EXTRA: + leading_null_bytes = 1; + break; + } ts_reset_encoder(dev); - saa7134_i2c_call_clients(dev, VIDIOC_S_EXT_CTRLS, &ctrls); + saa7134_i2c_call_clients(dev, VIDIOC_INT_INIT, &leading_null_bytes); dev->empress_started = 1; return 0; } -- GitLab