Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit f7abbafc authored by Linux Build Service Account's avatar Linux Build Service Account Committed by Gerrit - the friendly Code Review server
Browse files

Merge "leds: leds-qpnp-wled: add delay between consecutive writes to WLED SYNC"

parents df52f22f 8328758b

Documentation/devicetree/bindings/leds/leds-qpnp-wled.txt

+2 −0
Original line number Diff line number Diff line
@@ -46,6 +46,8 @@ Optional properties for WLED: 
			  are operated individually. specify the list of strings used by the device.

			  any combination of led strings can be used. default value is [00 01 02 03]

- qcom,en-ext-pfet-sc-pro : Specify if external pfet short circuit protection is needed

- qcom,cons-sync-write-delay-us : Specify in 'us' the duration of delay between two consecutive writes to

				  SYNC register.



Example:

	qcom,leds@d800 {

drivers/leds/leds-qpnp-wled.c

+12 −0
Original line number Diff line number Diff line
@@ -212,6 +212,7 @@ static u8 qpnp_wled_sink_dbg_regs[] = { 
 *  @ fs_curr_ua - full scale current in ua

 *  @ ramp_ms - delay between ramp steps in ms

 *  @ ramp_step - ramp step size

 *  @ cons_sync_write_delay_us - delay between two consecutive writes to SYNC

 *  @ strings - supported list of strings

 *  @ num_strings - number of strings

 *  @ en_9b_dim_res - enable or disable 9bit dimming
@@ -245,6 +246,7 @@ struct qpnp_wled { 
	u16 fs_curr_ua;

	u16 ramp_ms;

	u16 ramp_step;

	u16 cons_sync_write_delay_us;

	u8 strings[QPNP_WLED_MAX_STRINGS];

	u8 num_strings;

	bool en_9b_dim_res;
@@ -328,6 +330,10 @@ static int qpnp_wled_set_level(struct qpnp_wled *wled, int level) 
	if (rc < 0)

		return rc;



	if (wled->cons_sync_write_delay_us)

		usleep_range(wled->cons_sync_write_delay_us,

				wled->cons_sync_write_delay_us + 1);



	reg = QPNP_WLED_SYNC_RESET;

	rc = qpnp_wled_write_reg(wled, &reg,

		QPNP_WLED_SYNC_REG(wled->sink_base));
@@ -1276,6 +1282,12 @@ static int qpnp_wled_parse_dt(struct qpnp_wled *wled) 
		return rc;

	}



	wled->cons_sync_write_delay_us = 0;

	rc = of_property_read_u32(spmi->dev.of_node,

			"qcom,cons-sync-write-delay-us", &temp_val);

	if (!rc)

		wled->cons_sync_write_delay_us = temp_val;



	wled->en_9b_dim_res = of_property_read_bool(spmi->dev.of_node,

			"qcom,en-9b-dim-res");

	wled->en_phase_stag = of_property_read_bool(spmi->dev.of_node,