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| author |   Maciej S. Szmigiero <mail@maciej.szmigiero.name> | 2019-08-20 19:05:55 -0300 |
|---|---|---|
| committer |   Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2019-08-26 10:45:49 -0300 |
| commit | 9d802222a3405599d6e1984d9324cddf592ea1f4 (patch) | |
| tree | d1faeede0168e371b2404bd399004eba2055b462 /drivers/media | |
| parent | media: saa7134: keep demod i2c gate closed on Medion 7134 (diff) | |
| download | linux-dev-9d802222a3405599d6e1984d9324cddf592ea1f4.tar.xz linux-dev-9d802222a3405599d6e1984d9324cddf592ea1f4.zip | |
media: saa7134: fix terminology around saa7134_i2c_eeprom_md7134_gate()
saa7134_i2c_eeprom_md7134_gate() function and the associated comment uses
an inverted i2c gate open / closed terminology.
Let's fix this.
Signed-off-by: Maciej S. Szmigiero <mail@maciej.szmigiero.name>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
[hverkuil-cisco@xs4all.nl: fix alignment checkpatch warning]
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media')
| -rw-r--r-- | drivers/media/pci/saa7134/saa7134-i2c.c | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/drivers/media/pci/saa7134/saa7134-i2c.c b/drivers/media/pci/saa7134/saa7134-i2c.c index 493b1858815f..04e85765373e 100644 --- a/drivers/media/pci/saa7134/saa7134-i2c.c +++ b/drivers/media/pci/saa7134/saa7134-i2c.c @@ -342,7 +342,11 @@ static const struct i2c_client saa7134_client_template = { /* ----------------------------------------------------------- */ -/* On Medion 7134 reading EEPROM needs DVB-T demod i2c gate open */ +/* + * On Medion 7134 reading the SAA7134 chip config EEPROM needs DVB-T + * demod i2c gate closed due to an address clash between this EEPROM + * and the demod one. + */ static void saa7134_i2c_eeprom_md7134_gate(struct saa7134_dev *dev) { u8 subaddr = 0x7, dmdregval; @@ -359,14 +363,14 @@ static void saa7134_i2c_eeprom_md7134_gate(struct saa7134_dev *dev) ret = i2c_transfer(&dev->i2c_adap, i2cgatemsg_r, 2); if ((ret == 2) && (dmdregval & 0x2)) { - pr_debug("%s: DVB-T demod i2c gate was left closed\n", + pr_debug("%s: DVB-T demod i2c gate was left open\n", dev->name); data[0] = subaddr; data[1] = (dmdregval & ~0x2); if (i2c_transfer(&dev->i2c_adap, i2cgatemsg_w, 1) != 1) - pr_err("%s: EEPROM i2c gate open failure\n", - dev->name); + pr_err("%s: EEPROM i2c gate close failure\n", + dev->name); } } |