On Wed, Aug 18, 2021 at 02:36:44PM +0800, simba.hsu wrote: > Add support reading device ID when controller is in bootloader > mode, which may happen if firmware update has been interrupted. > > Signed-off-by: simba.hsu <simba.hsu@xxxxxxxxxx> > --- > drivers/input/touchscreen/raydium_i2c_ts.c | 52 ++++++++++++++++++---- > 1 file changed, 44 insertions(+), 8 deletions(-) > > diff --git a/drivers/input/touchscreen/raydium_i2c_ts.c b/drivers/input/touchscreen/raydium_i2c_ts.c > index 4d2d22a86977..d3f8cc3285a2 100644 > --- a/drivers/input/touchscreen/raydium_i2c_ts.c > +++ b/drivers/input/touchscreen/raydium_i2c_ts.c > @@ -36,7 +36,8 @@ > #define RM_CMD_BOOT_CHK 0x33 /* send data check */ > #define RM_CMD_BOOT_READ 0x44 /* send wait bl data ready*/ > > -#define RM_BOOT_RDY 0xFF /* bl data ready */ > +#define RM_BOOT_RDY 0xFF /* bl data ready */ > +#define RM_BOOT_CMD_READHWID 0x0E /* read hwid */ > > /* I2C main commands */ > #define RM_CMD_QUERY_BANK 0x2B > @@ -155,6 +156,7 @@ static int raydium_i2c_xfer(struct i2c_client *client, u32 addr, > * sent first. Else, skip the header i.e. xfer[0]. > */ > int xfer_start_idx = (addr > 0xff) ? 0 : 1; > + > xfer_count -= xfer_start_idx; I dropped this unrelated chunk, made couple of cosmetic changes and applied, thank you. -- Dmitry
