On Fri, Aug 05, 2022 at 03:17:08PM +0800, Gene Chen wrote:
> From: Gene Chen <gene_chen@xxxxxxxxxxx>
>
> replace overwrite whole register with update bits
>
> Signed-off-by: Gene Chen <gene_chen@xxxxxxxxxxx>
Reviewed-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> drivers/usb/typec/tcpm/tcpci_rt1711h.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/usb/typec/tcpm/tcpci_rt1711h.c b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
> index 3291ca4..f2f1fb0 100644
> --- a/drivers/usb/typec/tcpm/tcpci_rt1711h.c
> +++ b/drivers/usb/typec/tcpm/tcpci_rt1711h.c
> @@ -5,6 +5,7 @@
> * Richtek RT1711H Type-C Chip Driver
> */
>
> +#include <linux/bits.h>
> #include <linux/kernel.h>
> #include <linux/module.h>
> #include <linux/i2c.h>
> @@ -23,6 +24,7 @@
> #define RT1711H_RTCTRL8_SET(ck300, ship_off, auto_idle, tout) \
> (((ck300) << 7) | ((ship_off) << 5) | \
> ((auto_idle) << 3) | ((tout) & 0x07))
> +#define RT1711H_AUTOIDLEEN BIT(3)
>
> #define RT1711H_RTCTRL11 0x9E
>
> @@ -109,8 +111,8 @@ static int rt1711h_set_vconn(struct tcpci *tcpci, struct tcpci_data *tdata,
> {
> struct rt1711h_chip *chip = tdata_to_rt1711h(tdata);
>
> - return rt1711h_write8(chip, RT1711H_RTCTRL8,
> - RT1711H_RTCTRL8_SET(0, 1, !enable, 2));
> + return regmap_update_bits(chip->data.regmap, RT1711H_RTCTRL8,
> + RT1711H_AUTOIDLEEN, enable ? 0 : RT1711H_AUTOIDLEEN);
> }
>
> static int rt1711h_start_drp_toggling(struct tcpci *tcpci,
> --
> 2.7.4
>
