On Sun, Apr 26, 2020 at 07:47:49PM +0200, Michał Mirosław wrote: > Add information found in downstream kernels, to make the code less > magic. > > Signed-off-by: Michał Mirosław <mirq-linux@xxxxxxxxxxxx> > Reviewed-by: Dmitry Osipenko <digetx@xxxxxxxxx> > Tested-by: Dmitry Osipenko <digetx@xxxxxxxxx> > --- > drivers/input/touchscreen/elants_i2c.c | 29 +++++++++++++++++++++----- > 1 file changed, 24 insertions(+), 5 deletions(-) > > diff --git a/drivers/input/touchscreen/elants_i2c.c b/drivers/input/touchscreen/elants_i2c.c > index 2289f9638116..d2175fb6209a 100644 > --- a/drivers/input/touchscreen/elants_i2c.c > +++ b/drivers/input/touchscreen/elants_i2c.c > @@ -81,7 +81,11 @@ > > #define HEADER_REPORT_10_FINGER 0x62 > > -/* Header (4 bytes) plus 3 fill 10-finger packets */ > +/* Power state */ > +#define PWR_STATE_DEEP_SLEEP 0 > +#define PWR_STATE_NORMAL 1 > + > +/* Header (4 bytes) plus 3 full 10-finger packets */ > #define MAX_PACKET_SIZE 169 > > #define BOOT_TIME_DELAY_MS 50 > @@ -91,10 +95,21 @@ > #define E_ELAN_INFO_BC_VER 0x10 > #define E_ELAN_INFO_TEST_VER 0xE0 > #define E_ELAN_INFO_FW_ID 0xF0 > +#define E_POWER_MODE 0x40 > +#define E_POWER_STATE 0x50 > +#define E_INFO_X_RES 0x60 > +#define E_INFO_Y_RES 0x63 I would prefer if we introduced these in the patches that use them. > #define E_INFO_OSR 0xD6 > #define E_INFO_PHY_SCAN 0xD7 > #define E_INFO_PHY_DRIVER 0xD8 > > +/* FW write command, 0x54 0x?? 0x0, 0x01 */ > +#define E_POWER_MODE_BATTERY 0x40 > +#define E_POWER_MODE_AC 0x41 > +#define E_POWER_MODE_USB 0x42 What is this for? > +#define E_POWER_STATE_SLEEP 0x50 > +#define E_POWER_STATE_RESUME 0x58 Thanks. -- Dmitry
