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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, Jun 04, 2026 at 09:48:01PM +0800, Jacky Bai wrote: >Add debugfs support for runtime tuning of the audio PLL K divider, >which enables fine-grained frequency adjustments for audio PLL. >This is used for: > - Audio clock calibration and testing > - Debugging audio synchronization issues > >Two debug interfaces are exported to userspace: > - delta_k: It is used to adjust the K divider in PLL based on small > steps > - pll_parameter: It is used for get PLL's current M-divider, > P-divider, S-divider & K-divider setting in PLL register > >Signed-off-by: Jacky Bai Reviewed-by: Peng Fan