linux-kernel - [PATCH] platform/chrome: cros_ec: Fix host command for regulator control.

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Date:   Fri, 24 Jul 2020 16:03:55 +0800
From:   Pi-Hsun Shih <pihsun@...omium.org>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Pi-Hsun Shih <pihsun@...omium.org>,
        Benson Leung <bleung@...omium.org>,
        Enric Balletbo i Serra <enric.balletbo@...labora.com>,
        Guenter Roeck <groeck@...omium.org>,
        Mark Brown <broonie@...nel.org>,
        Tzung-Bi Shih <tzungbi@...gle.com>,
        Gwendal Grignou <gwendal@...omium.org>,
        Yicheng Li <yichengli@...omium.org>,
        linux-kernel@...r.kernel.org (open list)
Subject: [PATCH] platform/chrome: cros_ec: Fix host command for regulator control.

Since the host command number 0x012B conflicts with other EC host
command, add one to all regulator control related host command.

Also fix a wrong alignment on struct and sync the comment with the one
in ChromeOS EC codebase.

Fixes: dff08caf35ec ("platform/chrome: cros_ec: Add command for regulator control.")
Signed-off-by: Pi-Hsun Shih <pihsun@...omium.org>
---
The original numbers were chosen before the 0x012B is used in ChromeOS
EC codebase. Since the original kernel patch got accepted before the
corresponding commit in ChromeOS EC codebase got merged, the host
command number was used by other commit first.

Since now the commit in ChromeOS EC codebase
(https://crrev.com/c/2247431) with updated host command numbers got
merged, need this patch to sync up the host command numbers with
ChromeOS EC codebase. Sorry for the confusion.
---
 include/linux/platform_data/cros_ec_commands.h | 15 ++++++++-------
 1 file changed, 8 insertions(+), 7 deletions(-)

diff --git a/include/linux/platform_data/cros_ec_commands.h b/include/linux/platform_data/cros_ec_commands.h
index a417b51b5764..91e77f53414d 100644
--- a/include/linux/platform_data/cros_ec_commands.h
+++ b/include/linux/platform_data/cros_ec_commands.h
@@ -5438,7 +5438,7 @@ struct ec_response_rollback_info {
  *
  * Returns the regulator name and supported voltage list in mV.
  */
-#define EC_CMD_REGULATOR_GET_INFO 0x012B
+#define EC_CMD_REGULATOR_GET_INFO 0x012C
 
 /* Maximum length of regulator name */
 #define EC_REGULATOR_NAME_MAX_LEN 16
@@ -5454,12 +5454,12 @@ struct ec_response_regulator_get_info {
 	char name[EC_REGULATOR_NAME_MAX_LEN];
 	uint16_t num_voltages;
 	uint16_t voltages_mv[EC_REGULATOR_VOLTAGE_MAX_COUNT];
-} __ec_align1;
+} __ec_align2;
 
 /*
  * Configure the regulator as enabled / disabled.
  */
-#define EC_CMD_REGULATOR_ENABLE 0x012C
+#define EC_CMD_REGULATOR_ENABLE 0x012D
 
 struct ec_params_regulator_enable {
 	uint32_t index;
@@ -5471,7 +5471,7 @@ struct ec_params_regulator_enable {
  *
  * Returns 1 if the regulator is enabled, 0 if not.
  */
-#define EC_CMD_REGULATOR_IS_ENABLED 0x012D
+#define EC_CMD_REGULATOR_IS_ENABLED 0x012E
 
 struct ec_params_regulator_is_enabled {
 	uint32_t index;
@@ -5489,7 +5489,7 @@ struct ec_response_regulator_is_enabled {
  * Also note that this might be called before the regulator is enabled, and the
  * setting should be in effect after the regulator is enabled.
  */
-#define EC_CMD_REGULATOR_SET_VOLTAGE 0x012E
+#define EC_CMD_REGULATOR_SET_VOLTAGE 0x012F
 
 struct ec_params_regulator_set_voltage {
 	uint32_t index;
@@ -5500,9 +5500,10 @@ struct ec_params_regulator_set_voltage {
 /*
  * Get the currently configured voltage for the voltage regulator.
  *
- * Note that this might be called before the regulator is enabled.
+ * Note that this might be called before the regulator is enabled, and this
+ * should return the configured output voltage if the regulator is enabled.
  */
-#define EC_CMD_REGULATOR_GET_VOLTAGE 0x012F
+#define EC_CMD_REGULATOR_GET_VOLTAGE 0x0130
 
 struct ec_params_regulator_get_voltage {
 	uint32_t index;

base-commit: 8d9f8d57e023893bfa708d83e3a787e77766a378
-- 
2.28.0.rc0.142.g3c755180ce-goog