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author | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-26 20:11:43 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2019-11-26 20:11:43 -0800 |
commit | 89d57dddd7d319ded00415790a0bb3c954b7e386 (patch) | |
tree | ec8ba48bc24a29b9be638084bcfeddcfcb267922 /drivers/media/usb/dvb-usb-v2/af9035.c | |
parent | 3f1b210a7f97f7e75c56174ada476fba2d36f340 (diff) | |
parent | 0ca40f41d795fd91811e44506bb73d0b9ca33bdd (diff) |
Merge tag 'media/v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- uAPI documentation for stateless decoders
- Added a new CEC ioctl together with its documentation
- Improved IPU3 documentation
- New i2c drivers: hi556 and imx290
- Added support on Vivid driver for meta streams
- Added de-interlace support for sunxi subdriver
- Added a few new remote controler keymaps
- Added H.265 support for Sunxi Cedrus driver
- Another round of random driver cleanups, fixes and improvements
* tag 'media/v5.5-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (361 commits)
media: Revert "media: mtk-vcodec: Remove extra area allocation in an input buffer on encoding"
media: hantro: Set H264 FIELDPIC_FLAG_E flag correctly
media: hantro: Remove now unused H264 pic_size
media: hantro: Use output buffer width and height for H264 decoding
media: hantro: Reduce H264 extra space for motion vectors
media: hantro: Fix H264 motion vector buffer offset
media: ti-vpe: vpe: fix compatible to match bindings
media: dt-bindings: media: ti-vpe: Document VPE driver
media: zr364xx: remove redundant assigmnent to idx, clean up code
media: Documentation: media: *_DEFAULT targets for subdevs
media: hantro: Fix s_fmt for dynamic resolution changes
media: i2c: Use the correct style for SPDX License Identifier
media: siano: Use the correct style for SPDX License Identifier
media: vicodec: media_device_cleanup was called too early
media: vim2m: media_device_cleanup was called too early
media: cedrus: Increase maximum supported size
media: cedrus: Fix H264 4k support
media: cedrus: Properly signal size in mode register
media: v4l2-ctrl: Lock main_hdl on operations of requests_queued.
media: si470x-i2c: add missed operations in remove
...
Diffstat (limited to 'drivers/media/usb/dvb-usb-v2/af9035.c')
-rw-r--r-- | drivers/media/usb/dvb-usb-v2/af9035.c | 37 |
1 files changed, 33 insertions, 4 deletions
diff --git a/drivers/media/usb/dvb-usb-v2/af9035.c b/drivers/media/usb/dvb-usb-v2/af9035.c index 3afd18733614..792667ee5ebc 100644 --- a/drivers/media/usb/dvb-usb-v2/af9035.c +++ b/drivers/media/usb/dvb-usb-v2/af9035.c @@ -1197,6 +1197,15 @@ err: return ret; } +/* + * The I2C speed register is calculated with: + * I2C speed register = (1000000000 / (24.4 * 16 * I2C_speed)) + * + * The default speed register for it930x is 7, with means a + * speed of ~366 kbps + */ +#define I2C_SPEED_366K 7 + static int it930x_frontend_attach(struct dvb_usb_adapter *adap) { struct state *state = adap_to_priv(adap); @@ -1208,13 +1217,13 @@ static int it930x_frontend_attach(struct dvb_usb_adapter *adap) dev_dbg(&intf->dev, "adap->id=%d\n", adap->id); - /* I2C master bus 2 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f6a7, 0x07); + /* I2C master bus 2 clock speed 366k */ + ret = af9035_wr_reg(d, 0x00f6a7, I2C_SPEED_366K); if (ret < 0) goto err; - /* I2C master bus 1,3 clock speed 300k */ - ret = af9035_wr_reg(d, 0x00f103, 0x07); + /* I2C master bus 1,3 clock speed 366k */ + ret = af9035_wr_reg(d, 0x00f103, I2C_SPEED_366K); if (ret < 0) goto err; @@ -1610,6 +1619,24 @@ static int it930x_tuner_attach(struct dvb_usb_adapter *adap) memset(&si2157_config, 0, sizeof(si2157_config)); si2157_config.fe = adap->fe[0]; + + /* + * HACK: The Logilink VG0022A has a bug: when the si2157 + * firmware that came with the device is replaced by a new + * one, the I2C transfers to the tuner will return just 0xff. + * + * Probably, the vendor firmware has some patch specifically + * designed for this device. So, we can't replace by the + * generic firmware. The right solution would be to extract + * the si2157 firmware from the original driver and ask the + * driver to load the specifically designed firmware, but, + * while we don't have that, the next best solution is to just + * keep the original firmware at the device. + */ + if (le16_to_cpu(d->udev->descriptor.idVendor) == USB_VID_DEXATEK && + le16_to_cpu(d->udev->descriptor.idProduct) == 0x0100) + si2157_config.dont_load_firmware = true; + si2157_config.if_port = it930x_addresses_table[state->it930x_addresses].tuner_if_port; ret = af9035_add_i2c_dev(d, "si2157", it930x_addresses_table[state->it930x_addresses].tuner_i2c_addr, @@ -2121,6 +2148,8 @@ static const struct usb_device_id af9035_id_table[] = { &it930x_props, "ITE 9303 Generic", NULL) }, { DVB_USB_DEVICE(USB_VID_AVERMEDIA, USB_PID_AVERMEDIA_TD310, &it930x_props, "AVerMedia TD310 DVB-T2", NULL) }, + { DVB_USB_DEVICE(USB_VID_DEXATEK, 0x0100, + &it930x_props, "Logilink VG0022A", NULL) }, { } }; MODULE_DEVICE_TABLE(usb, af9035_id_table); |