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[media] saa7164: Implement resolution control firmware command 

.. also fix a minor line 80 wrapping coding style issue.

Signed-off-by: Steven Toth <stoth@kernellabs.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Steven Toth 2010-07-31 15:28:18 -03:00 committed by Mauro Carvalho Chehab
parent a97781ac91
commit f6eeece8ec
3 changed files with 14 additions and 1 deletions
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11
drivers/media/video/saa7164/saa7164-api.c
View File

@ -63,6 +63,12 @@ int saa7164_api_set_encoder(struct saa7164_port *port)
if (ret != SAA_OK)
printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
/* Resolution */
ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, SET_CUR,
EU_PROFILE_CONTROL, sizeof(u8), &port->encoder_profile);
if (ret != SAA_OK)
printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
/* Establish video bitrates */
if (port->encoder_params.bitrate_mode == V4L2_MPEG_VIDEO_BITRATE_MODE_CBR)
vb.ucVideoBitRateMode = EU_VIDEO_BIT_RATE_MODE_CONSTANT;
@ -110,6 +116,11 @@ int saa7164_api_get_encoder(struct saa7164_port *port)
if (ret != SAA_OK)
printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
EU_VIDEO_RESOLUTION_CONTROL, sizeof(u8), &port->video_resolution);
if (ret != SAA_OK)
printk(KERN_ERR "%s() error, ret = 0x%x\n", __func__, ret);
ret = saa7164_cmd_send(port->dev, port->hwcfg.sourceid, GET_CUR,
EU_VIDEO_FORMAT_CONTROL, sizeof(u8), &port->video_format);
if (ret != SAA_OK)

3
drivers/media/video/saa7164/saa7164-core.c
View File

@ -339,7 +339,8 @@ static void saa7164_work_enchandler(struct work_struct *w)
if (buf->actual_size <= ubuf->actual_size) {
memcpy_fromio(ubuf->data, buf->cpu, ubuf->actual_size);
memcpy_fromio(ubuf->data, port->shadow_buf[rp],
ubuf->actual_size);
/* Throw a new checksum on the read buffer */
ubuf->crc = crc32(0, ubuf->data, ubuf->actual_size);

1
drivers/media/video/saa7164/saa7164-reg.h
View File

@ -205,6 +205,7 @@
#define EU_PROFILE_CONTROL 0x00
#define EU_VIDEO_FORMAT_CONTROL 0x01
#define EU_VIDEO_BIT_RATE_CONTROL 0x02
#define EU_VIDEO_RESOLUTION_CONTROL 0x03
#define EU_VIDEO_GOP_STRUCTURE_CONTROL 0x04
#define EU_VIDEO_INPUT_ASPECT_CONTROL 0x0A
#define EU_AUDIO_FORMAT_CONTROL 0x0C