linux-kernel - [PATCH 0/2] MFD: twl6040-codec: avoid reconfiguring the PLL

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Message-Id: <1322233027-23515-1-git-send-email-peter.ujfalusi@ti.com>
Date:	Fri, 25 Nov 2011 16:57:05 +0200
From:	Peter Ujfalusi <peter.ujfalusi@...com>
To:	Samuel Ortiz <samuel.ortiz@...el.com>
Cc:	linux-kernel@...r.kernel.org,
	Misael Lopez Cruz <misael.lopez@...com>
Subject: [PATCH 0/2] MFD: twl6040-codec: avoid reconfiguring the PLL

Hi,

The following two patch will optimize the PLL configuration code for the
twl6040, so if the requested configuration is the same as the current we simply
skip configuring the PLL (since no change needed).
We can save considerable amount of time in this way (due to avoiding i2c
accesses, and delays dictated by the configuration protocol).

Regards,
Peter
---
Peter Ujfalusi (2):
  MFD: twl6040-codec: Store mclk configuration
  MFD: twl6040-codec: Avoid PLL reconfiguration when not needed

 drivers/mfd/twl6040-core.c  |  128 ++++++++++++++++++++++++++-----------------
 include/linux/mfd/twl6040.h |    2 +
 2 files changed, 79 insertions(+), 51 deletions(-)

-- 
1.7.8.rc3

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