From: Wei WANG wei_w...@realsil.com.cn
For Realtek card reader, internal regsiter SD_CFG2 should be configured
before transferring data. In the prior version, the value of this register
has been calculated, but forgotten to write back to the internal register.
Signed-off-by: Wei WANG
Hi,
Sorry to be pedantic, but:
On Mon, Nov 19 2012, wei_w...@realsil.com.cn wrote:
For Realtek card reader, internal regsiter SD_CFG2 should be configured
before transferring data. In the prior version, the value of this register
has been calculated, but forgotten to write back to the
于 2012年11月20日 10:21, Chris Ball 写道:
Hi,
Sorry to be pedantic, but:
On Mon, Nov 19 2012, wei_w...@realsil.com.cn wrote:
For Realtek card reader, internal regsiter SD_CFG2 should be configured
before transferring data. In the prior version, the value of this register
has been calculated, but
Hi,
On Mon, Nov 19 2012, wwang wrote:
It's about compatibility issue. The default value of SD_CFG2 is proper
for writing data. But for reading sequence, the timing is not good
enough. So in some extreme circumstance, card reader may sample the
response data from the card as good even if the