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[185.246.87.17]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-37189897926sm1365082f8f.87.2024.08.15.05.12.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 15 Aug 2024 05:12:06 -0700 (PDT) From: Guillaume Stols Date: Thu, 15 Aug 2024 12:11:58 +0000 Subject: [PATCH 4/8] pwm: Export pwm_get_state_hw Precedence: bulk X-Mailing-List: linux-fbdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20240815-ad7606_add_iio_backend_support-v1-4-cea3e11b1aa4@baylibre.com> References: <20240815-ad7606_add_iio_backend_support-v1-0-cea3e11b1aa4@baylibre.com> In-Reply-To: <20240815-ad7606_add_iio_backend_support-v1-0-cea3e11b1aa4@baylibre.com> To: =?utf-8?q?Uwe_Kleine-K=C3=B6nig?= , Lars-Peter Clausen , Michael Hennerich , Jonathan Cameron , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Greg Kroah-Hartman , "Rafael J. Wysocki" , Jonathan Corbet Cc: linux-pwm@vger.kernel.org, linux-kernel@vger.kernel.org, Michael Hennerich , linux-fbdev@vger.kernel.org, linux-iio@vger.kernel.org, devicetree@vger.kernel.org, linux-doc@vger.kernel.org, Guillaume Stols , 20240705211452.1157967-2-u.kleine-koenig@baylibre.com, 20240712171821.1470833-2-u.kleine-koenig@baylibre.com, cover.1721040875.git.u.kleine-koenig@baylibre.com, aardelean@baylibre.com X-Mailer: b4 0.14.0 X-Developer-Signature: v=1; a=ed25519-sha256; t=1723723923; l=1631; i=gstols@baylibre.com; s=20240417; h=from:subject:message-id; bh=B299RubzcyeAZYqSINS1JMw78PJqVT8lqVWbm+KhLHQ=; b=R0SYVR5ABChT/agrkOGtqE560UOP8iseJdjHPPNT794iaKR5TkwlROnIsf6vbGNXL+qEbca08 3vR+WhJM5zGB++xcBB8es5v4vgNmrPQDw8zW1fS8VOXM6g+CfvJksiB X-Developer-Key: i=gstols@baylibre.com; a=ed25519; pk=XvMm5WHuV67sGYOJZqIYzXndbaJOlNd8Q6li6vnb4Cs= This function can be used in some other drivers, for instance when we want to retrieve the real frequency vs the one that was asked. Signed-off-by: Guillaume Stols --- drivers/pwm/core.c | 3 ++- include/linux/pwm.h | 1 + 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/pwm/core.c b/drivers/pwm/core.c index 21fca27bb8a3..82e05ed88310 100644 --- a/drivers/pwm/core.c +++ b/drivers/pwm/core.c @@ -651,7 +651,7 @@ int pwm_apply_atomic(struct pwm_device *pwm, const struct pwm_state *state) } EXPORT_SYMBOL_GPL(pwm_apply_atomic); -static int pwm_get_state_hw(struct pwm_device *pwm, struct pwm_state *state) +int pwm_get_state_hw(struct pwm_device *pwm, struct pwm_state *state) { struct pwm_chip *chip = pwm->chip; const struct pwm_ops *ops = chip->ops; @@ -685,6 +685,7 @@ static int pwm_get_state_hw(struct pwm_device *pwm, struct pwm_state *state) return ret; } +EXPORT_SYMBOL_GPL(pwm_get_state_hw); /** * pwm_adjust_config() - adjust the current PWM config to the PWM arguments diff --git a/include/linux/pwm.h b/include/linux/pwm.h index fd100c27f109..d48ea3051e28 100644 --- a/include/linux/pwm.h +++ b/include/linux/pwm.h @@ -369,6 +369,7 @@ int pwm_apply_might_sleep(struct pwm_device *pwm, const struct pwm_state *state) int pwm_apply_atomic(struct pwm_device *pwm, const struct pwm_state *state); int pwm_adjust_config(struct pwm_device *pwm); +int pwm_get_state_hw(struct pwm_device *pwm, struct pwm_state *state); /** * pwm_config() - change a PWM device configuration * @pwm: PWM device