Messages in this thread Patch in this message | | | From | Alban Browaeys <> | Subject | [PATCH 3/4] [media] em28xx: usb power config is in the low byte. | Date | Wed, 17 Jul 2013 01:06:23 +0200 |
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According to the em2860 datasheet, eeprom byte 08H is Chip Configuration Low Byte and 09H is High Byte. Usb power configuration is in the Low byte (same as the usb audio class config).
Signed-off-by: Alban Browaeys <prahal@yahoo.com> --- drivers/media/usb/em28xx/em28xx-i2c.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/media/usb/em28xx/em28xx-i2c.c b/drivers/media/usb/em28xx/em28xx-i2c.c index c4ff973..6ff7415 100644 --- a/drivers/media/usb/em28xx/em28xx-i2c.c +++ b/drivers/media/usb/em28xx/em28xx-i2c.c @@ -743,13 +743,13 @@ static int em28xx_i2c_eeprom(struct em28xx *dev, unsigned bus, break; } - if (le16_to_cpu(dev_config->chip_conf) & 1 << 3) + if (le16_to_cpu(dev_config->chip_conf) >> 4 & 1 << 3) em28xx_info("\tUSB Remote wakeup capable\n"); - if (le16_to_cpu(dev_config->chip_conf) & 1 << 2) + if (le16_to_cpu(dev_config->chip_conf) >> 4 & 1 << 2) em28xx_info("\tUSB Self power capable\n"); - switch (le16_to_cpu(dev_config->chip_conf) & 0x3) { + switch (le16_to_cpu(dev_config->chip_conf) >> 4 & 0x3) { case 0: em28xx_info("\t500mA max power\n"); break; -- 1.8.3.2
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