diff options
| author | Antti Palosaari <crope@iki.fi> | 2011-04-07 16:04:48 -0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2011-05-20 09:30:08 -0300 |
| commit | bc022694d7da1c848e395f18eaf856abc9dd0b09 (patch) | |
| tree | 158b5b18c0ab8e4ad24c6122947bb274169a52b7 /drivers/media | |
| parent | f71095be6645aee0828623701e35e7e7d52910d8 (diff) | |
[media] em28xx: add support for EM28174 chip
EM28174 is very similar as already supported EM2874.
I am not sure what are differences, but it could be analog support.
Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-cards.c | 5 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-core.c | 6 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-i2c.c | 2 | ||||
| -rw-r--r-- | drivers/media/video/em28xx/em28xx-reg.h | 1 |
4 files changed, 12 insertions, 2 deletions
diff --git a/drivers/media/video/em28xx/em28xx-cards.c b/drivers/media/video/em28xx/em28xx-cards.c index bdd8618dad3..9a5ac562ee3 100644 --- a/drivers/media/video/em28xx/em28xx-cards.c +++ b/drivers/media/video/em28xx/em28xx-cards.c @@ -2810,6 +2810,11 @@ static int em28xx_init_dev(struct em28xx **devhandle, struct usb_device *udev, dev->reg_gpio_num = EM2874_R80_GPIO; dev->wait_after_write = 0; break; + case CHIP_ID_EM28174: + em28xx_info("chip ID is em28174\n"); + dev->reg_gpio_num = EM2874_R80_GPIO; + dev->wait_after_write = 0; + break; case CHIP_ID_EM2883: em28xx_info("chip ID is em2882/em2883\n"); dev->wait_after_write = 0; diff --git a/drivers/media/video/em28xx/em28xx-core.c b/drivers/media/video/em28xx/em28xx-core.c index 44c63cbd6dd..92b6dd84f1f 100644 --- a/drivers/media/video/em28xx/em28xx-core.c +++ b/drivers/media/video/em28xx/em28xx-core.c @@ -614,7 +614,7 @@ int em28xx_capture_start(struct em28xx *dev, int start) { int rc; - if (dev->chip_id == CHIP_ID_EM2874) { + if (dev->chip_id == CHIP_ID_EM2874 || dev->chip_id == CHIP_ID_EM28174) { /* The Transport Stream Enable Register moved in em2874 */ if (!start) { rc = em28xx_write_reg_bits(dev, EM2874_R5F_TS_ENABLE, @@ -1111,6 +1111,10 @@ int em28xx_isoc_dvb_max_packetsize(struct em28xx *dev) /* FIXME - for now assume 564 like it was before, but the em2874 code should be added to return the proper value... */ packet_size = 564; + } else if (dev->chip_id == CHIP_ID_EM28174) { + /* FIXME same as em2874. 564 was enough for 22 Mbit DVB-T + but too much for 44 Mbit DVB-C. */ + packet_size = 752; } else { /* TS max packet size stored in bits 1-0 of R01 */ chip_cfg2 = em28xx_read_reg(dev, EM28XX_R01_CHIPCFG2); diff --git a/drivers/media/video/em28xx/em28xx-i2c.c b/drivers/media/video/em28xx/em28xx-i2c.c index 71474d31e15..4739fc7e6eb 100644 --- a/drivers/media/video/em28xx/em28xx-i2c.c +++ b/drivers/media/video/em28xx/em28xx-i2c.c @@ -332,7 +332,7 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned char *eedata, int len) struct em28xx_eeprom *em_eeprom = (void *)eedata; int i, err, size = len, block; - if (dev->chip_id == CHIP_ID_EM2874) { + if (dev->chip_id == CHIP_ID_EM2874 || dev->chip_id == CHIP_ID_EM28174) { /* Empia switched to a 16-bit addressable eeprom in newer devices. While we could certainly write a routine to read the eeprom, there is nothing of use in there that cannot be diff --git a/drivers/media/video/em28xx/em28xx-reg.h b/drivers/media/video/em28xx/em28xx-reg.h index 91e90559642..e92a28ede43 100644 --- a/drivers/media/video/em28xx/em28xx-reg.h +++ b/drivers/media/video/em28xx/em28xx-reg.h @@ -201,6 +201,7 @@ enum em28xx_chip_id { CHIP_ID_EM2870 = 35, CHIP_ID_EM2883 = 36, CHIP_ID_EM2874 = 65, + CHIP_ID_EM28174 = 113, }; /* |